Espen Røysamb

Professor
Image of Espen  Røysamb
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Phone +47-22845128
Room V04-05
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Visiting address Psykologisk institutt Forskningsveien 3A 0373 Oslo
Postal address Psykologisk institutt Postboks 1094 Blindern 0317 Oslo

Academic Interests

  • Subjective well-being, quality of life, positive psychology
  • Heritability, genetic and environmental factors, twin studies
  • Psychometrics, methodology, statistics, structural equation modeling
  • Personality traits, mental health, personality disorders

Teaching

  • Personality psychology, genetics, well-being, psychometrics, tests, methodology

Higher education and employment history

  • Cand Psychol, 1991, University of Oslo
  • PhD, 1997, University of Oslo
  • Visiting researcher at University of Michigan (1996), Birzeit University (1999), and Virginia Commonwealth University (2001)
  • Current positions: Professor of personality psychology at the University of Oslo, and senior researcher at the Norwegian Institute of Public Health

Awards

  • H.M. the King’s Gold Medal for dissertation
  • APA’s ‘Award for research excellence’
  • Best Annual Paper Award, JoHS

Appointments

  • Head of Section for Health, Developmental and Personality Psychology

Cooperation

  • Norwegian Institute of Public Health
  • University of Tromsø
  • Virginia Institute of Psychiatric and Behavior Genetics
Tags: Personality psychology, wellbeing, genetics

Publications

  • Dyrdal, Gunvor Marie; Røysamb, Espen; Nes, Ragnhild Bang & Vittersø, Joar (2018). When Life Happens: Investigating Short and Long-Term Effects of Life Stressors on Life Satisfaction in a Large Sample of Norwegian Mothers. Journal of Happiness Studies.  ISSN 1389-4978.  s 1- 27 . doi: 10.1007/s10902-018-0024-x
  • Eilertsen, Espen Moen; Gjerde, Line C.; Kendler, Kenneth S.; Røysamb, Espen; Aggen, Steven H.; Gustavson, Kristin; Reichborn-Kjennerud, Ted & Ystrøm, Eivind (2018). Development of ADHD symptoms in preschool children: Genetic and environmental contributions. Development and Psychopathology.  ISSN 0954-5794. . doi: 10.1017/S0954579418000731
  • Helland, Siri Saugestad; Røysamb, Espen; Wang, Mari Vaage & Gustavson, Kristin (2018). Language difficulties and internalizing problems: Bidirectional associations from 18 months to 8 years among boys and girls. Development and Psychopathology.  ISSN 0954-5794.  30(4), s 1239- 1252 . doi: 10.1017/S0954579417001559
  • Løchen, Kristin Garaas; Nilsen, Wendy & Røysamb, Espen (2018). Associations Between Paternal and Adolescent Depressive Symptoms, In Kristin Schjelderup Mathiesen; Evalill Bølstad Karevold & Ann Sanson (ed.),  Tracking Opportunities and Problems From Infancy to Adulthood.  Hogrefe & Huber Publishers.  ISBN 9780889375437.  Chapter 15.  s 183 - 196 Show summary
  • Magnus, Maria Christine; Wright, Rosalind J.; Røysamb, Espen; Parr, Christine Louise; Karlstad, Øystein; Page, Christian; Nafstad, Per; Håberg, Siri Eldevik; London, Stephanie J. & Nystad, Wenche (2018). Association of Maternal Psychosocial Stress with Increased Risk of Asthma Development in Offspring. American Journal of Epidemiology.  ISSN 0002-9262.  187(6), s 1199- 1209 . doi: 10.1093/aje/kwx366 Show summary
  • Morken, Ida Sund; Røysamb, Espen; Nilsen, Wendy & Karevold, Evalill Bølstad (2018). Body Dissatisfaction and Depressive Symptoms on the Threshold to Adolescence: Examining Gender Differences in Depressive Symptoms and the Impact of Social Support. Journal of Early Adolescence.  ISSN 0272-4316. . doi: 10.1177/0272431618791280
  • Røysamb, Espen; Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi & Vassend, Olav (2018). Genetics, personality and wellbeing. A twin study of traits, facets and life satisfaction. Scientific Reports.  ISSN 2045-2322.  8:12298, s 1- 13 . doi: 10.1038/s41598-018-29881-x Full text in Research Archive.
  • Vassend, Olav; Røysamb, Espen; Nielsen, Christopher Sivert & Czajkowski, Nikolai Olavi (2018). Fatigue symptoms in relation to neuroticism, anxiety-depression, and musculoskeletal pain. A longitudinal twin study. PLoS ONE.  ISSN 1932-6203.  13(6) . doi: 10.1371/journal.pone.0198594
  • Eilertsen, Espen Moen; Gjerde, Line C.; Reichborn-Kjennerud, Ted; Ørstavik, Ragnhild; Knudsen, Gun Peggy; Stoltenberg, Camilla; Czajkowski, Nikolai Olavi; Røysamb, Espen; Kendler, Kenneth S & Ystrøm, Eivind (2017). Maternal alcohol use during pregnancy and offspring attention-deficit hyperactivity disorder (ADHD): a prospective sibling control study. International Journal of Epidemiology.  ISSN 0300-5771.  46(5), s 1633- 1640 . doi: 10.1093/ije/dyx067 Full text in Research Archive.
  • Gjerde, Line C.; Eilertsen, Espen Moen; Reichborn-Kjennerud, Ted; McAdams, Tom A.; Zachrisson, Henrik Daae; Zambrana, Imac Maria; Røysamb, Espen; Kendler, Kenneth S. & Ystrøm, Eivind (2017). Maternal perinatal and concurrent depressive symptoms and child behavior problems: a sibling comparison study. Journal of Child Psychology and Psychiatry and Allied Disciplines.  ISSN 0021-9630.  58(7), s 779- 786 . doi: 10.1111/jcpp.12704 Full text in Research Archive.
  • Helland, Maren Sand; Kjeldsen, Anne; von Soest, Tilmann; Røysamb, Espen; Gustavson, Kristin & Nilsen, Wendy (2017). Parental Child-Rearing Conflicts Through Adolescence: Trajectories and Associations With Child Characteristics and Externalizing Patterns. Journal of Research on Adolescence.  ISSN 1050-8392.  27(2), s 379- 391 . doi: 10.1111/jora.12302 Full text in Research Archive.
  • Hermansen, Tone Kristine; Yrttiaho, Santeri; Røysamb, Espen & Melinder, Annika Maria D (2017). Perceptual interference processing in preschool children, with and without prenatal exposure to selective serotonin reuptake inhibitors. Psychopharmacology.  ISSN 0033-3158.  234(3), s 339- 351 . doi: 10.1007/s00213-016-4467-7
  • Løvoll, Helga Synnevåg; Røysamb, Espen & Vittersø, Joar (2017). Experiences matter: Positive emotions facilitate intrinsic motivation. Cogent Psychology.  ISSN 2331-1908.  4 . doi: 10.1080/23311908.2017.1340083 Full text in Research Archive.
  • Nilsen, Wendy; Kjeldsen, Anne; Karevold, Evalill Bølstad; Skipstein, Anni; Helland, Maren Sand; Gustavson, Kristin; Enstad, Frøydis; Bårdstu, Silje; Røysamb, Espen; von Soest, Tilmann & Mathiesen, Kristin Schjelderup (2017). Cohort profile: The Tracking Opportunities and Problems Study (TOPP) – A study of Norwegian children and their parents followed from infancy to adulthood. International Journal of Epidemiology.  ISSN 0300-5771.  46(5), s 1399- 1399g . doi: 10.1093/ije/dyx057 Full text in Research Archive.
  • Seglem, Karoline Brobakke; Ørstavik, Ragnhild; Torvik, Fartein Ask; Gjerde, Line C.; Røysamb, Espen; Reichborn-Kjennerud, Ted; Knudsen, Gun Peggy & Tambs, Kristian (2017). Pre-pregnancy mental distress and musculoskeletal pain and sickness absence during pregnancy-a twin cohort study. European Journal of Public Health.  ISSN 1101-1262.  27(3), s 477- 481 . doi: 10.1093/eurpub/ckw267
  • Torvik, Fartein Ask; Rosenström, Tom Henrik; Ystrøm, Eivind; Tambs, Kristian; Røysamb, Espen; Czajkowski, Nikolai Olavi; Gillespie, Nathan; Knudsen, Gun Peggy; Kendler, Kenneth S. & Reichborn-Kjennerud, Ted (2017). Stability and change in etiological factors for alcohol use disorder and major depression. Journal of Abnormal Psychology.  ISSN 0021-843X.  126(6), s 812- 822 . doi: 10.1037/abn0000280 Full text in Research Archive.
  • Vassend, Olav; Røysamb, Espen; Nielsen, Christopher Sivert & Czajkowski, Nikolai Olavi (2017). Musculoskeletal Complaints, Anxiety–Depression Symptoms, and Neuroticism: A Study of Middle-Aged Twins. Health Psychology.  ISSN 0278-6133.  36(8), s 729- 739 . doi: 10.1037/hea0000484
  • Aakvaag, Helene Flood; Thoresen, Siri; Wentzel-Larsen, Tore; Dyb, Grete; Røysamb, Espen & Olff, Miranda (2016). Broken and guilty since it happened: A population study of trauma-related shame and guilt after violence and sexual abuse. Journal of Affective Disorders.  ISSN 0165-0327.  204, s 16- 23 . doi: 10.1016/j.jad.2016.06.004
  • Gustavson, Kristin; Røysamb, Espen; Borren, Ingrid; Torvik, Fartein Ask & Karevold, Evalill Bølstad (2016). Life Satisfaction in Close Relationships: Findings from a Longitudinal Study. Journal of Happiness Studies.  ISSN 1389-4978.  17(3), s 1293- 1311 . doi: 10.1007/s10902-015-9643-7
  • Hermansen, Tone Kristine; Røysamb, Espen; Augusti, Else-Marie & Melinder, Annika Maria D (2016). Behavior and inhibitory control in children with prenatal exposure to antidepressants and medically untreated depression. Psychopharmacology.  ISSN 0033-3158.  233(8), s 1523- 1535 . doi: 10.1007/s00213-016-4248-3
  • Nes, Ragnhild Bang & Røysamb, Espen (2016). Happiness in Behaviour Genetics: An Update on Heritability and Changeability. Journal of Happiness Studies.  ISSN 1389-4978. . doi: 10.1007/s10902-016-9781-6
  • Røysamb, Espen & Tambs, Kristian (2016). The beauty, logic and limitations of twin studies. Norsk Epidemiologi.  ISSN 0803-2491.  26(1-2), s 35- 46 . doi: 10.5324/nje.v26i1-2.2014 Full text in Research Archive.
  • Torvik, Fartein Ask; Reichborn-Kjennerud, Ted; Gjerde, Line C.; Knudsen, Gun Peggy; Ystrøm, Eivind; Tambs, Kristian; Røysamb, Espen; Østby, Kristian Amundsen & Ørstavik, Ragnhild (2016). Mood, anxiety, and alcohol use disorders and later cause-specific sick leave in young adult employees. BMC Public Health.  ISSN 1471-2458.  16 . doi: 10.1186/s12889-016-3427-9 Full text in Research Archive.
  • Vassend, Olav; Orvik, Benedicte Humborstad; Czajkowski, Nikolai Olavi & Røysamb, Espen (2016). Facets of neuroticism and musculoskeletal symptoms. A study of middle-aged twins. Norsk Epidemiologi.  ISSN 0803-2491.  26(1-2), s 47- 56 . doi: 10.5324/nje.v26i1-2.2015
  • Ørstavik, Ragnhild; Knudsen, Gun Peggy; Tambs, Kristian; Gjerde, Line C.; Torvik, Fartein Ask; Nielsen, Christopher Sivert; Røysamb, Espen & Reichborn-Kjennerud, Ted (2016). Musculoskeletal pain and work absence – a 10 year follow-up study of Norwegian young adult twins. Norsk Epidemiologi.  ISSN 0803-2491.  26(1-2), s 69- 75 . doi: 10.5324/nje.v26i1-2.2018
  • Gjerde, Line C.; Czajkowski, Nikolai Olavi; Røysamb, Espen; Ystrøm, Eivind; Tambs, Kristian; Aggen, Steven H.; Ørstavik, Ragnhild; Kendler, Kenneth S.; Reichborn-Kjennerud, Ted & Knudsen, Gun Peggy (2015). A longitudinal, population-based twin study of avoidant and obsessive-compulsive personality disorder traits from early to middle adulthood. Psychological Medicine.  ISSN 0033-2917.  45(16), s 3539- 3548 . doi: 10.1017/S0033291715001440
  • Idstad, Mariann; Torvik, Fartein Ask; Borren, Ingrid; Rognmo, Kamilla; Røysamb, Espen & Tambs, Kristian (2015). Mental distress predicts divorce over 16 years: The HUNT study Health behavior, health promotion and society. BMC Public Health.  ISSN 1471-2458.  15 . doi: 10.1186/s12889-015-1662-0 Full text in Research Archive.
  • Reichborn-Kjennerud, Ted; Czajkowski, Nikolai Olavi; Ystrøm, Eivind; Ørstavik, Ragnhild; Aggen, Steven H.; Tambs, Kristian; Torgersen, Svenn; Neale, Michael C.; Røysamb, Espen; Krueger, Robert F.; Knudsen, Gun Peggy & Kendler, Kenneth S. (2015). A longitudinal twin study of borderline and antisocial personality disorder traits in early to middle adulthood. Psychological Medicine.  ISSN 0033-2917.  45(14), s 3121- 3131 . doi: 10.1017/S0033291715001117
  • Torvik, Fartein Ask; Gustavson, Kristin; Røysamb, Espen & Tambs, Kristian (2015). Health, health behaviors, and health dissimilarities predict divorce: Results from the HUNT study. BMC Psychology.  ISSN 2050-7283.  3:13, s 1- 9 . doi: 10.1186/S40359-015-0072-5 Full text in Research Archive.
  • Torvik, Fartein Ask; Ystrøm, Eivind; Czajkowski, Nikolai Olavi; Tambs, Kristian; Røysamb, Espen; Ørstavik, Ragnhild; Knudsen, Gun Peggy; Kendler, Kenneth S & Reichborn-Kjennerud, Ted (2015). Socioeconomic status and sick leave granted for mental and somatic disorders: a prospective study of young adult twins. BMC Public Health.  ISSN 1471-2458.  15:134 . doi: 10.1186/s12889-015-1457-3 Full text in Research Archive.
  • Træen, Bente; Westerberg, Ane Cecilie; Ono Njøten, Mette & Røysamb, Espen (2015). Predictors of Self-Efficacy in Norwegian Competition Riders. Journal of Equine Veterinary Science.  ISSN 0737-0806.  35(10), s 807- 814 . doi: 10.1016/j.jevs.2015.07.021
  • Aakvaag, Helene Flood; Thoresen, Siri; Wentzel-Larsen, Tore; Røysamb, Espen & Dyb, Grete (2014). Shame and guilt in the aftermath of terror: the Utøya Island study. Journal of Traumatic Stress.  ISSN 0894-9867.  27(5), s 618- 621 . doi: 10.1002/jts.21957
  • Alves, Daniele Evelin; Corliss, Heather L; Røysamb, Espen; Zachrisson, Henrik Daae; Oppedal, Brit & Gustavson, Kristin (2014). Immigrant Preadolescents and Risk of Emotional Distress. Scandinavian Journal of Child and Adolescent Psychiatry and Psychology.  ISSN 2245-8875.  2(1), s 41- 51 Full text in Research Archive.
  • Alves, Daniele Evelin; Gustavson, Kristin; Røysamb, Espen; Oppedal, Brit & Zachrisson, Henrik Daae (2014). Preadolescents with immigrant backgrounds: the relationship between emotional problems, parental achievement values, and comparison. Scandinavian Journal of Child and Adolescent Psychiatry and Psychology.  ISSN 2245-8875.  2(3), s 124- 134 Full text in Research Archive.
  • Gjerde, Line Cecilie; Røysamb, Espen; Czajkowski, Nikolai Olavi; Knudsen, Gun Peggy; Østby, Kristian Amundsen; Tambs, Kristian; Kendler, Kenneth S; Reichborn-Kjennerud, Ted & Ørstavik, Ragnhild (2014). Personality disorders and long-term sick leave: A population-based study of young adult norwegian twins. Twin Research and Human Genetics.  ISSN 1832-4274.  17(1), s 1- 9 . doi: 10.1017/thg.2013.90
  • Gustavson, Kristin Brun; Nilsen, Wendy; Ørstavik, Ragnhild & Røysamb, Espen (2014). Relationship quality, divorce, and well-being: Findings from a three-year longitudinal study. Journal of Positive Psychology.  ISSN 1743-9760.  9(2), s 163- 174 . doi: 10.1080/17439760.2013.858274
  • Helland, Maren Sand; von Soest, Tilmann; Gustavson, Kristin; Røysamb, Espen & Mathiesen, Kristin Schjelderup (2014). Long shadows: a prospective study of predictors of relationship dissolution over 17 child-rearing years. BMC Psychology.  ISSN 2050-7283.  2 . doi: 10.1186/s40359-014-0040-5 Full text in Research Archive.
  • Holte, Arne; Barry, Margaret M.; Bekkhus, Mona; Borge, Anne Inger Helmen; Bowes, Lucy; Casas, Ferran; Friborg, Oddgeir; Grinde, Bjørn; Headey, Bruce; Jozefiak, Thomas; Lekhal, Rabit; Marks, Nic; Muffels, Ruud; Nes, Ragnhild Bang; Røysamb, Espen; Thimm, Jens; Torgersen, Svenn; Trommsdorff, Gisela; Veenhoven, Ruut; Vittersø, Joar; Waaktaar, Trine; Wagner, Gert G.; Wang, Catharina E.; Wold, Bente & Zachrisson, Henrik Daae (2014). Psychology of Child Well-Being, In Asher Ben-Arieh; Ferran Casas; Ivar Frønes & Jill E. Korbin (ed.),  Handbook of child well-being : theories, methods and policies in global perspective.  Springer.  ISBN 978-90-481-9062-1.  20.  s 555 - 631
  • Nes, Ragnhild Bang; Røysamb, Espen; Hauge, Lars Johan; Kornstad, Tom; Landolt, Markus A.; Irgens, Lorentz M.; Eskedal, Leif Torvald; Kristensen, Petter & Vollrath, Margarete E. (2014). Adaptation to the birth of a child with a congenital anomaly: A prospective longitudinal study of maternal well-being and psychological distress. Developmental Psychology.  ISSN 0012-1649.  50(6), s 1827- 1839 . doi: 10.1037/a0035996
  • Røsand, Gun-Mette Brandsnes; Slinning, Kari; Røysamb, Espen & Tambs, Kristian (2014). Relationship dissatisfaction and other risk factors for future relationship dissolution: a population-based study of 18,523 couples. Social Psychiatry and Psychiatric Epidemiology.  ISSN 0933-7954.  49(1), s 109- 119 . doi: 10.1007/s00127-013-0681-3 Show summary
  • Røysamb, Espen; Nes, Ragnhild Bang & Vittersø, Joar (2014). Well-being: heritable and changeable, In Kennon M Sheldon & Richard E Lucas (ed.),  Stability of happiness : theories and evidence on whether happiness can change.  Academic Press.  ISBN 9780124114784.  2.  s 9 - 36
  • Røysamb, Espen; Vittersø, Joar & Tambs, Kristian (2014). The relationship satisfaction scale – Psychometric properties. Norsk Epidemiologi.  ISSN 0803-2491.  24(1-2), s 187- 194 Full text in Research Archive.
  • Seglem, Karoline Brobakke; Oppedal, Brit & Røysamb, Espen (2014). Daily hassles and coping dispositions as predictors of psychological adjustment: A comparative study of young unaccompanied refugees and youth in the resettlement country. International Journal of Behavioral Development.  ISSN 0165-0254.  38(3), s 293- 303 . doi: 10.1177/0165025414520807
  • Tambs, Kristian & Røysamb, Espen (2014). Selection of questions to short-form versions of original psychometric instruments in MoBa. Norsk Epidemiologi.  ISSN 0803-2491.  24(1-2), s 195- 201 Full text in Research Archive.
  • Torvik, Fartein Ask; Gjerde, Line Cecilie; Røysamb, Espen; Tambs, Kristian; Kendler, Kenneth S.; Czajkowski, Nikolai Olavi; Knudsen, Gun Peggy; Reichborn-Kjennerud, Ted & Ørstavik, Ragnhild (2014). Genetic and environmental contributions to the relationship between internalizing disorders and sick leave granted for mental and somatic disorders. Twin Research and Human Genetics.  ISSN 1832-4274.  17(4), s 225- 235 . doi: 10.1017/thg.2014.27
  • Ørstavik, Ragnhild; Czajkowski, Nikolai Olavi; Røysamb, Espen; Knudsen, Gun Peggy; Tambs, Kristian & Reichborn-Kjennerud, Ted (2014). Sex differences in genetic and environmental influences on educational attainment and income. Twin Research and Human Genetics.  ISSN 1832-4274.  17(6), s 516- 525 . doi: 10.1017/thg.2014.68
  • Gjerde, Line Cecilie; Knudsen, Gun Peggy; Czajkowski, Nikolai Olavi; Gillespie, Nathan; Aggen, Steven H; Røysamb, Espen; Reichborn-Kjennerud, Ted; Tambs, Kristian; Kendler, Kenneth S & Ørstavik, Ragnhild (2013). Genetic and Environmental Contributions to Long-Term Sick Leave and Disability Pension: A Population-Based Study of Young Adult Norwegian Twins. Twin Research and Human Genetics.  ISSN 1832-4274.  16(4), s 759- 766 . doi: 10.1017/thg.2013.36
  • Nes, Ragnhild Bang; Czajkowski, Nikolai Olavi; Røysamb, Espen; Ørstavik, Ragnhild; Tambs, Kristian & Reichborn-Kjennerud, Ted (2013). Major depression and life satisfaction: A population-based twin study. Journal of Affective Disorders.  ISSN 0165-0327.  144(1-2), s 51- 58 . doi: 10.1016/j.jad.2012.05.060
  • Nilsen, Thomas Sevenius; Knudsen, Gun Peggy; Gervin, Kristina; Brandt, Ingunn; Røysamb, Espen; Tambs, Kristian; Ørstavik, Ragnhild; Lyle, Robert; Reichborn-Kjennerud, Ted; Magnus, Per & Harris, Jennifer (2013). The Norwegian twin registry from a public health perspective: a research update. Twin Research and Human Genetics.  ISSN 1832-4274.  16(1), s 285- 295 . doi: 10.1017/thg.2012.117
  • Nilsen, Wendy; Gustavson, Kristin Brun; Kjeldsen, Anne; Røysamb, Espen & Karevold, Evalill Bølstad (2013). Pathways from maternal distress and child problem behavior to adolescent depressive symptoms – A prospective examination from 18 months to 17 years of age. Journal of Developmental and Behavioral Pediatrics.  ISSN 0196-206X.  34(5), s 303- 313 . doi: 10.1097/DBP.0b013e318293ab05
  • Nilsen, Wendy; Karevold, Evalill Bølstad; Røysamb, Espen; Gustavson, Kristin Brun & Mathiesen, Kristin Schjelderup (2013). Social skills and depressive symptoms across adolescence: Social support as a mediator in girls versus boys. Journal of Adolescence.  ISSN 0140-1971.  36(1), s 11- 20 . doi: 10.1016/j.adolescence.2012.08.005
  • Rognmo, Kamilla; Torvik, Fartein Ask; Røysamb, Espen & Tambs, Kristian (2013). Alcohol use and spousal mental distress in a population sample: the nord-trondelag health study. BMC Public Health.  ISSN 1471-2458.  13 . doi: 10.1186/1471-2458-13-319 Full text in Research Archive.
  • Torvik, Fartein Ask; Røysamb, Espen; Gustavson, Kristin Brun; Idstad, Mariann & Tambs, Kristian (2013). Discordant and concordant alcohol use in spouses as predictors of marital dissolution in the general population: results from the HUNT Study. Alcoholism: Clinical and Experimental Research.  ISSN 0145-6008.  37(5), s 877- 884 . doi: 10.1111/acer.12029
  • Vassend, Olav; Røysamb, Espen & Nielsen, Christopher Sivert (2013). Five-factor personality traits and pain sensitivity: A twin study. Pain.  ISSN 0304-3959.  154(5), s 722- 728 . doi: 10.1016/j.pain.2013.01.010
  • Ask, Helga; Rognmo, Kamilla; Torvik, Fartein Ask; Røysamb, Espen & Tambs, Kristian (2012). Non-random mating and convergence over time for alcohol consumption, smoking and exercise: The Nord-Trondelag Health Study. Behavior Genetics.  ISSN 0001-8244.  42(3), s 354- 365 . doi: 10.1007/s10519-011-9509-7
  • Gjerde, Line Cecilie; Czajkowski, Nikolai Olavi; Røysamb, Espen; Ørstavik, Ragnhild; Knudsen, Gun Peggy; Østby, Kristian Roald Amundsen; Torgersen, Svenn; Myers, J; Kendler, KS & Reichborn-Kjennerud, Ted (2012). The heritability of avoidant and dependent personality disorder assessed by personal interview and questionnaire. Acta Psychiatrica Scandinavica.  ISSN 0001-690X.  126(6), s 448- 457 . doi: 10.1111/j.1600-0447.2012.01862.x Show summary
  • Gustavson, Kristin Brun; Røysamb, Espen; Soest, Tilmann M von; Helland, Maren Johanssson; Karevold, Evalill Bølstad & Mathiesen, Kristin Schjelderup (2012). Reciprocal longitudinal associations between depressive symptoms and romantic partners' synchronized view of relationship quality. Journal of Social and Personal Relationships.  ISSN 0265-4075.  29(6), s 776- 794 . doi: 10.1177/0265407512448264
  • Gustavson, Kristin Brun; Røysamb, Espen; Soest, Tilmann M von; Helland, Maren Johanssson & Mathiesen, Kristin Schjelderup (2012). Longitudinal associations between relationship problems, divorce, and life satisfaction: Findings from a 15-year population-based study. Journal of Positive Psychology.  ISSN 1743-9760.  7(3), s 188- 197 . doi: 10.1080/17439760.2012.671346
  • Gustavson, Kristin Brun; Soest, Tilmann M von; Karevold, Evalill Bølstad & Røysamb, Espen (2012). Attrition and generalizability in longitudinal studies: findings from a 15-year population-based study and a Monte Carlo simulation study. BMC Public Health.  ISSN 1471-2458.  12 . doi: 10.1186/1471-2458-12-918
  • Myklestad, Ingri; Røysamb, Espen & Tambs, Kristian (2012). Risk and protective factors for psychological distress among adolescents: a family study in the Nord-Trøndelag Health Study. Social Psychiatry and Psychiatric Epidemiology.  ISSN 0933-7954.  47(5), s 771- 782 . doi: 10.1007/s00127-011-0380-x
  • Rognmo, Kamilla; Torvik, Fartein Ask; Ask, Helga; Røysamb, Espen & Tambs, Kristian (2012). Paternal and maternal alcohol abuse and offspring mental distress in the general population: the Nord-Trøndelag health study. BMC Public Health.  ISSN 1471-2458.  12(1) . doi: 10.1186/1471-2458-12-448 Full text in Research Archive.
  • Røsand, Gun-Mette Brandsnes; Slinning, Kari; Eberhard-Gran, Malin M C; Røysamb, Espen & Tambs, Kristian (2012). The buffering effect of relationship satisfaction on emotional distress in couples. BMC Public Health.  ISSN 1471-2458.  12 . doi: 10.1186/1471-2458-12-66 Full text in Research Archive. Show summary
  • Tambs, Kristian; Kendler, KS; Reichborn-Kjennerud, Ted; Aggen, SH; Harris, Jennifer; Neale, C; Hettema, JM; Sundet, Jon Martin; Battaglia, M & Røysamb, Espen (2012). Genetic and environmental contributions to the relationship between education and anxiety disorders - a twin study. Acta Psychiatrica Scandinavica.  ISSN 0001-690X.  125(3), s 203- 212 . doi: 10.1111/j.1600-0447.2011.01799.x
  • Torgersen, Svenn; Myers, John; Reichborn-Kjennerud, Ted; Røysamb, Espen; Kubarych, Thomas S. & Kendler, Kenneth S. (2012). The heritability of cluster B personality disorders assessed both by personal interview and questionnaire. Journal of Personality Disorders.  ISSN 0885-579X.  26(6), s 848- 866 . doi: 10.1521/pedi_2012_26_060 Show summary
  • Vassend, Olav; Røysamb, Espen & Nielsen, Christopher Sivert (2012). Neuroticism and self-reported somatic health: A twin study. Psychology and Health.  ISSN 0887-0446.  27(1), s 1- 12 . doi: 10.1080/08870446.2010.540665
  • Ørstavik, Ragnhild; Kendler, Kenneth S.; Røysamb, Espen; Czajkowski, Nikolai Olavi; Tambs, Kristian & Reichborn-Kjennerud, Ted (2012). Genetic and environmental contributions to the co-occurence of depressive personality disorder and DSM-IV personality disorders. Journal of Personality Disorders.  ISSN 0885-579X.  26(3), s 435- 451 . doi: 10.1521/pedi.2012.26.3.435
  • Alves, Daniele Evelin; Røysamb, Espen; Oppedal, Brit & Zachrisson, Henrik Daae (2011). Emotional problems in preadolescents in Norway: The role of gender, ethnic minority status, and home- and school-related hassles. Child and Adolescent Psychiatry and Mental Health.  ISSN 1753-2000.  5 . doi: 10.1186/1753-2000-5-37
  • Czajkowski, Nikolai Olavi; Kendler, Kenneth S.; Tambs, Kristian; Røysamb, Espen & Reichborn-Kjennerud, Ted (2011). The structure of genetic and environmental risk factors for phobias in women. Psychological Medicine.  ISSN 0033-2917.  41(9), s 1987- 1995 . doi: 10.1017/S0033291710002436
  • Dalhaug, Caroline; Oppedal, Brit & Røysamb, Espen (2011). The role of sociocultural context for culture competence and depressive symptoms among ethnic minority youths in junior high school. European Journal of Developmental Psychology.  ISSN 1740-5629.  8(3), s 280- 294 . doi: 10.1080/17405621003710843
  • Dyrdal, Gunvor Marie; Røysamb, Espen; Nes, Ragnhild Bang & Vittersø, Joar (2011). Can a happy relationship predict a happy life? A population-based study of maternal well-being during the life transition of pregnancy, infancy, and toddlerhood. Journal of Happiness Studies.  ISSN 1389-4978.  12(6), s 947- 962 . doi: 10.1007/s10902-010-9238-2
  • Gjerde, Line Cecilie; Røysamb, Espen; Czajkowski, Nikolai Olavi; Reichborn-Kjennerud, Ted; Ørstavik, Ragnhild; Kendler, Kenneth S & Tambs, Kristian (2011). Strong Genetic Correlation Between Interview-Assessed Internalizing Disorders and a Brief Self-Report Symptom Scale. Twin Research and Human Genetics.  ISSN 1832-4274.  14(1), s 64- 72 . doi: 10.1375/twin.14.1.64
  • Idstad, Mariann; Røysamb, Espen & Tambs, Kristian (2011). The effect of change in mental disorder status on change in spousal mental health: The HUNT study. Social Science and Medicine.  ISSN 0277-9536.  73(9), s 1408- 1415 . doi: 10.1016/j.socscimed.2011.07.032
  • Kendler, Kenneth S; Aggen, Steven H; Knudsen, Gun Peggy Strømstad; Røysamb, Espen; Neale, Michael C & Reichborn-Kjennerud, Ted (2011). The Structure of Genetic and Environmental Risk Factors for Syndromal and Subsyndromal Common DSM-IV Axis I and All Axis II Disorders. American Journal of Psychiatry.  ISSN 0002-953X.  168(1), s 29- 39 . doi: 10.1176/appi.ajp.2010.10030340
  • Richter, Jörg; Sagatun, Åse; Heyerdahl, Sonja; Oppedal, Brit & Røysamb, Espen (2011). The Strengths and Difficulties Questionnaire (SDQ) - Self-Report. An analysis of its structure in a multiethnic urban adolescent sample. Journal of Child Psychology and Psychiatry and Allied Disciplines.  ISSN 0021-9630.  52(9), s 1002- 1011 . doi: 10.1111/j.1469-7610.2011.02372.x Show summary
  • Røsand, Gun-Mette Brandsnes; Slinning, Kari; Eberhard-Gran, Malin M C; Røysamb, Espen & Tambs, Kristian (2011). Partner relationship satisfaction and maternal emotional distress in early pregnancy. BMC Public Health.  ISSN 1471-2458.  11 . doi: 10.1186/1471-2458-11-161 Show summary
  • Røysamb, Espen; Kendler, Kenneth S; Tambs, Kristian; Ørstavik, Ragnhild; Aggen, Steven H; Neale, Michael C; Torgersen, Svenn & Reichborn-Kjennerud, Ted (2011). The joint structure of DSM-IV Axis I and Axis II disorders. Journal of Abnormal Psychology.  ISSN 0021-843X.  120(1), s 198- 209 . doi: 10.1037/a0021660
  • Torvik, Fartein Ask; Rognmo, Kamilla; Ask, Helga; Røysamb, Espen & Tambs, Kristian (2011). Parental alcohol use and adolescent school adjustment in the general population: Results from the HUNT study. BMC Public Health.  ISSN 1471-2458.  11 . doi: 10.1186/1471-2458-11-706
  • Vassend, Olav; Røysamb, Espen & Nielsen, Christopher Sivert (2011). Dental anxiety in relation to neuroticism and pain sensitivity. A twin study. Journal of Anxiety Disorders.  ISSN 0887-6185.  25(2), s 302- 308 . doi: 10.1016/j.janxdis.2010.09.015
  • Zachrisson, Henrik Daae; Røysamb, Espen; Oppedal, Brit & Hauser, Stuart T. (2011). Factor structure of the child attachment interview. European Journal of Developmental Psychology.  ISSN 1740-5629.  8(6), s 744- 759 . doi: 10.1080/17405629.2011.631293
  • Czajkowski, Nikolai; Røysamb, Espen; Reichborn-Kjennerud, Ted & Tambs, Kristian (2010). A population based family study of symptoms of anxiety and depression The HUNT study. Journal of Affective Disorders.  ISSN 0165-0327.  125(1-3), s 355- 360 . doi: 10.1016/j.jad.2010.01.006
  • Nes, Ragnhild Bang; Røysamb, Espen; Harris, Jennifer; Czajkowski, Nikolai & Tambs, Kristian (2010). Mates and Marriage Matter: Genetic and Environmental Influences on Subjective Wellbeing Across Marital Status. Twin Research and Human Genetics.  ISSN 1832-4274.  13(4), s 312- 321
  • Reichborn-Kjennerud, Ted; Czajkowski, Nikolai; Røysamb, Espen; Ørstavik, Ragnhild Elise; Neale, Michael C; Torgersen, Svenn & Kendler, Kenneth S (2010). Major depression and dimensional representations of DSM-IV personality disorders: a population-based twin study. Psychological Medicine.  ISSN 0033-2917.  40(9), s 1475- 1484 . doi: 10.1017/S0033291709991954
  • Vittersø, Joar; Søholt, Yngvil; Hetland, Audun; Thoresen, Irina Aleksejeva & Røysamb, Espen (2010). Was Hercules happy? Some answers from a functional model of human well-being. Social Indicators Research.  ISSN 0303-8300.  95(1), s 1- 18 . doi: 10.1007/s11205-009-9447-4
  • Aggen, SH; Neale, MC; Røysamb, Espen; Reichborn-Kjennerud, Ted & Kendler, KS (2009). A psychometric evaluation of the DSM-IV borderline personality disorder criteria: age and sex moderation of criterion functioning. Psychological Medicine.  ISSN 0033-2917.  39(12), s 1967- 1978 . doi: 10.1017/S0033291709005807
  • Edvardsen, Jack; Torgersen, Svenn; Røysamb, Espen; Lygren, Sissel; Skre, Ingunn; Onstad, Sidsel; Onstad, Sidsel; Øien, Per Anders; Øien, Per-Anders & Øien, Per Anders (2009). Unipolar depressive disorders have a common genotype. Journal of Affective Disorders.  ISSN 0165-0327.  117(1-2), s 30- 41 . doi: 10.1016/j.jad.2008.12.004
  • Karevold, Evalill Bølstad; Røysamb, Espen; Ystrøm, Eivind & Mathiesen, Kristin Schjelderup (2009). Predictors and pathways from infancy to symptoms of anxiety and depression in early adolescence. Developmental Psychology.  ISSN 0012-1649.  45(4), s 1051- 1060 . doi: 10.1037/a0016123
  • Tambs, Kristian; Czajkowski, Nikolai; Røysamb, Espen; Neale, Michael C; Reichborn-Kjennerud, Ted; Aggen, Steven H; Harris, Jennifer; Ørstavik, Ragnhild Elise & Kendler, Kenneth S (2009). Structure of genetic and environmental risk factors for dimensional representations of DSM-IV anxiety disorders. British Journal of Psychiatry.  ISSN 0007-1250.  195(4), s 301- 307 . doi: 10.1192/bjp.bp.108.059485
  • Valle, Ann-Karin; Røysamb, Espen & Sundby, Johanne (2009). Parental social position, body image, and other psychosocial determinants and first sexual intercourse among 15- and 16-year olds. Adolescence.  ISSN 0001-8449.  44(174), s 479- 498
  • Valle, Ann-Karin; Røysamb, Espen; Sundby, Johanne & Klepp, Knut Inge (2009). Parental social position, body image, and other psychological determinants and first sexual intercourse among 15-and 16-year olds. Adolescence.  ISSN 0001-8449.  44(174), s 479- 498 . doi: http://proquest.umi.com/pqdlink?index=0&did=1862972661&SrchMode=1&sid=2&Fmt=6&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1263220471&clientId=28039
  • Czajkowski, Nikolai; Kendler, Kenneth S; Jacobson, Kristen C; Tambs, Kristian; Røysamb, Espen & Reichborn-Kjennerud, Ted (2008). Passive-aggressive (negativistic) personality disorder: A population-based twin study. Journal of Personality Disorders.  ISSN 0885-579X.  22(1), s 109- 122
  • Edvardsen, Jack; Torgersen, Svenn; Røysamb, Espen; Lygren, Sissel; Skre, Ingunn; Onstad, Sidsel & Øien, Per Anders (2008). Heritability of bipolar spectrum disorders. Unity or heterogeneity?. Journal of Affective Disorders.  ISSN 0165-0327.  106(3), s 229- 240 . doi: 10.1016/j.jad.2007.07.001
  • Kendler, Kenneth S; Aggen, Steven H; Czajkowski, Nikolai; Røysamb, Espen; Tambs, Kristian; Torgersen, Svenn; Neale, Michael C & Reichborn-Kjennerud, Ted (2008). The structure of genetic and environmental risk factors for DSM-IV personality disorders: a multivariate twin study. Archives of General Psychiatry.  ISSN 0003-990X.  65(12), s 1438- 1446
  • Nes, Ragnhild B; Røysamb, Espen; Reichborn-Kjennerud, Ted; Harris, Jennifer R. & Tambs, Kristian (2008). Well-being and ill-being: shared environments, shared genes?. Journal of Positive Psychology.  ISSN 1743-9760.  3, s 253- 265
  • Nes, Ragnhild Bang; Czajkowski, Nikolai; Røysamb, Espen; Reichborn-Kjennerud, Ted & Tambs, Kristian (2008). Well-being and ill-being: shared environments, shared genes?. Journal of Positive Psychology.  ISSN 1743-9760.  3(4), s 253- 265 . doi: 10.1080/17439760802399323
  • Søgaard, Anne-Johanne; Dalgard, OS; Holme, Ingar; Røysamb, Espen & Håheim, Lise Lund (2008). Associations between type A behaviour pattern and psychological distress. Social Psychiatry and Psychiatric Epidemiology.  ISSN 0933-7954.  43, s 216- 223
  • Torgersen, S; Czajkowski, Nikolai; Jacobson, K; Reichborn-Kjennerud, Ted; Røysamb, Espen; Neale, MC & Kendler, KS (2008). Dimensional representations of DSM-IV cluster B personality disorders in a population-based sample of Norwegian twins: a multivariate study. Psychological Medicine.  ISSN 0033-2917.  38(11), s 1617- 1625 . doi: 10.1017/S0033291708002924
  • Nes, Ragnhild Bang; Røysamb, Espen; Reichborn-Kjennerud, Ted; Harris, Jennifer & Tambs, Kristian (2007). Symptoms of anxiety and depression in young adults: genetic and environmental influences on stability and change. Twin Research and Human Genetics.  ISSN 1832-4274.  10(3), s 450- 461 . doi: 10.1375/twin.10.3.450
  • Oppedal, Brit & Røysamb, Espen (2007). Young Muslim immigrants in Norway: An epidemiological study of their psychosocial adaptation and internalizing problems. Applied Developmental Science.  ISSN 1088-8691.  11(3), s 112- 125 . doi: 10.1080/10888690701454583
  • Reichborn-Kjennerud, Ted; Czajkowski, Nikolai; Neale, Michael C.; Ørstavik, Ragnhild Elise; Torgersen, Svenn; Tambs, Kristian; Røysamb, Espen; Harris, Jennifer & Kendler, Kenneth S. (2007). Genetic and environmental influences on dimensional representations of DSM-IV cluster C personality disorders: a population-based multivariate twin study. Psychological Medicine.  ISSN 0033-2917.  37(5), s 645- 653 . doi: 10.1017/S0033291706009548
  • Størksen, Ingunn; Røysamb, Espen; Gjessing, Håkon K; Moum, Torbjørn & Tambs, Kristian (2007). Marriages and psychological distress among adult offspring of divorce: A Norwegian study. Scandinavian Journal of Psychology.  ISSN 0036-5564.  48(6), s 467- 476 . doi: 10.1111/j.1467-9450.2007.00601.x
  • Kvestad, Ellen; Kværner, Kari Jorunn; Røysamb, Espen; Tambs, Kristian; Harris, Jennifer & Magnus, Per (2006). Recurrent otitis media and tonsillitis: common disease predisposition. International Journal of Pediatric Otorhinolaryngology.  ISSN 0165-5876.  70(9), s 1561- 1568 . doi: 10.1016/j.ijporl.2006.04.004
  • Kvestad, Ellen; Kværner, Kari Jorunn; Røysamb, Espen; Tambs, Kristian; Harris, Jennifer & Magnus, Per (2006). The reliability of self-reported childhood otitis media by adults. International Journal of Pediatric Otorhinolaryngology.  ISSN 0165-5876.  70(4), s 597- 602 . doi: 10.1016/j.ijporl.2005.08.005
  • Neale, Micheal C; Røysamb, Espen & Jacobson, Kristen (2006). Multivariate genetic analysis of sex limitation and G x E interaction. Twin Research and Human Genetics.  ISSN 1832-4274.  9(4), s 481- 489
  • Nes, Ragnhild Bang; Røysamb, Espen; Tambs, Kristian; Harris, Jennifer & Reichborn-Kjennerud, Ted (2006). Subjective well-being: genetic and environmental contributions to stability and change. Psychological Medicine.  ISSN 0033-2917.  36(7), s 1033- 1042 . doi: 10.1017/S0033291706007409
  • Røysamb, Espen (2006). Personality and well-being, In Margarete E. Vollrath (ed.),  Handbook of Personality and Health.  John Wiley & Sons.  ISBN 978-0-470-02135-4.  5.  s 115 - 134
  • Røysamb, Espen (2006). Personality and well-being, In Margarete E. Vollrath (ed.),  Handbook of personality and health.  John Wiley & Sons.  ISBN 978-0-470-02134-7.  Kap.  s 115 - 134
  • Størksen, Ingunn; Røysamb, Espen; Holmen, Turid Lingaas & Tambs, Kristian (2006). Adolescent adjustment and well-being: Effects of parental divorce and distress. Scandinavian Journal of Psychology.  ISSN 0036-5564.  47(1), s 75- 84 . doi: 10.1111/j.1467-9450.2006.00494.x
  • Thoresen, Siri; Mehlum, Lars; Røysamb, Espen & Tønnessen, Arnfinn (2006). Risk factors for completed suicide in veterans of peacekeeping: Repatriation, negative life events and marital status. Archives of Suicide Research.  ISSN 1381-1118.  10(4), s 353- 363 . doi: 10.1080/13811110600791106
  • Thorsen, Siri; Mehlum, Lars; Røysamb, Espen & Tønnessen, Arnfinn (2006). Risk factors for completed suicide in veterans of peacekeeping: Repatriation, negative life events, and maritial status. Archives of Suicide Research.  ISSN 1381-1118.  10(4), s 353- 363 . doi: 10.1080/13811110600791106
  • Nes, Ragnhild B; Røysamb, Espen; Røysamb, Espen; Reichborn-Kjennerud, Ted; Reichborn-Kjennerud, Ted; Tambs, Kristian & Harris, Jennifer R (2005). Subjective wellbeing and sleep problems: a bivariate twin study. Twin Research and Human Genetics.  ISSN 1832-4274.  8, s 440- 449
  • Nes, Ragnhild Bang; Røysamb, Espen; Reichborn-Kjennerud, Ted; Harris, Jennifer R. & Tambs, Kristian (2005). Environmental and genetic contributions to the correlation between subjective well-being and sleep. A bivariate twin-study. Twin Research and Human Genetics.  ISSN 1832-4274.  8, s 440- 449
  • Nystad, Wenche; Røysamb, Espen; Magnus, Per; Tambs, Kristian & Harris, Jennifer R. (2005). A comparison of genetic and environmental influences on asthma, hay fever and eczema versus symptoms of the same diseases. International Journal of Epidemiology.  ISSN 0300-5771.  34, s 1302- 1309
  • Kraft, Pål; Rise, Jostein; Sutton, Stephen & Røysamb, Espen (2005). Perceived difficulty in the theory of planned behaviour: perceived behavioural control or affective attitude?. British Journal of Social Psychology.  ISSN 0144-6665.  44(3), s 479- 496 . doi: 10.1348/014466604X17533 Show summary
  • Kvestad, E; Kværner, Kari Jorunn; Røysamb, Espen; Tambs, Kristian; Harris, Jennifer R & Magnus, Per (2005). The reliability of self-reported childhood otitis media by adults. International Journal of Pediatric Otorhinolaryngology.  ISSN 0165-5876. . doi: 10.1016/ijporl.2005.08.005
  • Kvestad, Ellen; Kværner, Kari Jorunn; Røysamb, Espen; Tambs, Kristian; Harris, Jennifer R. & Magnus, Per (2005). Heritability of recurrent tonsillitis. Archives of Otolaryngology - Head & Neck Surgery.  ISSN 0886-4470.  131, s 383- 387
  • Kvestad, Ellen; Kværner, Kari Jorunn; Røysamb, Espen; Tambs, Kristian; Harris, Jennifer & Magnus, Per (2005). Heritability of recurrent tonsillitis. Archives of Otolaryngology - Head & Neck Surgery.  ISSN 0886-4470.  (31), s 383- 387
  • Nes, Ragnhild Bang; Røysamb, Espen; Reichborn-Kjennerud, Ted; Tambs, Kristian & Harris, Jennifer (2005). Subjective wellbeing and sleep problems: a bivariate twin study. Twin Research and Human Genetics.  ISSN 1832-4274.  8(5), s 440- 449
  • Nystad, Wenche; Røysamb, Espen; Magnus, Per; Tambs, Kristian & Harris, Jennifer (2005). A comparison of genetic and environmental variance structures for asthma, hay fever and eczema with symptoms of the same diseases: a study of Norwegian twins. International Journal of Epidemiology.  ISSN 0300-5771.  34(6), s 1302- 1309 . doi: 10.1093/ije/dyi061
  • Oppedal, Brit; Røysamb, Espen & Heyerdahl, Sonja (2005). Ethnic group, acculturation and psychiatric problems in young immigrants. Journal of Child Psychology and Psychiatry and Allied Disciplines.  ISSN 0021-9630.  46(6), s 646- 660 . doi: 10.1111/j.1469-7610.2004.00381.x Show summary
  • Oppedal, Brit; Røysamb, Espen & Heyerdahl, Sonja (2005). Ethnic group, acculturation, and psychiatric problems in young immigrants. Journal of Child Psychology and Psychiatry and Allied Disciplines.  ISSN 0021-9630.  46, s 646- 660 Show summary
  • Størksen, I; Røysamb, Espen; Moum, T & Tambs, Kristian (2005). Adolescents with a childhood experience of parental divorce: a longitudinal study of mental health and adjustment. Journal of Adolescence.  ISSN 0140-1971.  28(6), s 725- 739 . doi: 10.1016/j.adolescence.2005.01.001
  • Størksen, Ingunn; Røysamb, Espen; Moum, Torbjørn & Tambs, Kristian (2005). Adolescents with a childhood experience of parental divorce: A longitudinal study of mental health and adjustment. Journal of Adolescence.  ISSN 0140-1971.  28, s 725- 739
  • Størksen, Ingunn; Røysamb, Espen; Moum, Torbjørn & Tambs, Kristian (2005). Adolescents with a childhood experience of parental divorce: a longitudinal study of mental helath and adjustment. Journal of Adolescence.  ISSN 0140-1971.  28(6), s 725- 739 Show summary
  • Valle, Ann Karin; Torgersen, L; Røysamb, Espen; Klepp, Knut Inge & Thelle, Dag Steinar (2005). Social class, gender and psychosocial predictors for early sexual debut among 16 year olds in Oslo. European Journal of Public Health.  ISSN 1101-1262.  15, s 185- 194
  • Valle, Ann-Karin; Torgersen, Leila; Thelle, Dag S.; Røysamb, Espen & Klepp, K-I (2005). Social class, gender and psychosocial predictors for early sexual debut among 16 year olds in Oslo. European Journal of Public Health.  ISSN 1101-1262.  15(2), s 185- 194
  • Veenstra, Marijke; Moum, Torbjørn & Røysamb, Espen (2005). Relationships between health domains and sense of coherence: A two-year cross-lagged in patients with chronic illness. Quality of Life Research.  ISSN 0962-9343.  14, s 1455- 1465
  • Nærde, Ane; Røysamb, Espen & Tambs, Kristian (2004). Temperament in adults - Reliability, stability and factor structure of the EAS temperament questionnaire. Journal of Personality Assessment.  ISSN 0022-3891.  82(1), s 71- 79
  • Oppedal, Brit & Røysamb, Espen (2004). Mental health, life stress and social support among young norwegian adolescents with immigrant and host national background. Scandinavian Journal of Psychology.  ISSN 0036-5564.  45, s 131- 144
  • Oppedal, Brit; Røysamb, Espen & Sam, David Lackland (2004). The effect of acculturation and social support on change in mental health among young immigrants. International Journal of Behavioral Development.  ISSN 0165-0254.  28(6), s 481- 494
  • Reichborn-Kjennerud, Ted; Røysamb, Espen; Tambs, Kristian; Torgersen, Svenn; Kringlen, Einar; Harris, Jennifer R. & Magnus, Per (2004). Genetic and environmental influences on the association between smoking and panic attacks in females: a population-based twin study. Psychological Medicine.  ISSN 0033-2917.  34, s 1271- 1277
  • Kvestad, Ellen; Kværner, Kari Jorunn; Røysamb, Espen; Tambs, Kristian; Harris, Jennifer R. & Magnus, Per (2004). Otitis media: Genetic factors and sex differences. Twin research.  ISSN 1369-0523.  7, s 239- 244
  • Kvestad, Ellen; Kværner, Kari Jorunn; Røysamb, Espen; Tambs, Kristian; Harris, Jennifer & Magnus, Per (2004). Otitis media: Genetic factors and sex differences. Twin research.  ISSN 1369-0523.  7(3), s 239- 244
  • Reichborn-Kjennerud, Ted; Bulik, Cynthia M.; Kendler, Kenneth S.; Røysamb, Espen; Tambs, Kristian; Torgersen, Svenn & Harris, Jennifer R. (2004). Undue influence of weight on self-evaluation: A population-based twin study of gender differences. International Journal of Eating Disorders.  ISSN 0276-3478.  35, s 123- 132
  • Dieserud, Gudrun; Røysamb, Espen; Braverman, Mark T.; Dalgard, Odd Steffen & Ekeberg, Øivind (2003). Predicting repetition of suicide attempt. A prospective study of 50 suicide attempters. Archives of Suicide Research.  ISSN 1381-1118.  7(1), s 1- 15
  • Reichborn-Kjennerud, Ted; Bulik, Cindy; Kendler, Ken S.; Røysamb, Espen; Maes, Hermine; Tambs, Kristian & Harris, Jennifer R. (2003). Gender differences in binge-eating: a population-based twin study. Acta Psychiatrica Scandinavica.  ISSN 0001-690X.  108, s 196- 202
  • Røysamb, Espen; Tambs, Kristian; Reichborn-Kjennerud, Ted; Neale, Michael C. & Harris, Jennifer R. (2003). Happiness and health. How do environmental and genetic factors contribute to the relationship between subjective well-being, perceived health and somatic illness?. Journal of Personality and Social Psychology.  ISSN 0022-3514.  85(6), s 1136- 1146 Show summary
  • Dieserud, Gudrun; Forsen, Lisa; Braverman, Mark T. & Røysamb, Espen (2002). Negative life events in childhood, psychological problems and suicide attempts in adulthood. A matched case-control study. Archives of Suicide Research.  ISSN 1381-1118.
  • Eide, Arne & Røysamb, Espen (2002). Psychological problems, social activity and network intensity as predictors for level of disability. Rehabilitation Psychology.  ISSN 0090-5550.  2, s 165- 183
  • Engeland, Anders; Røysamb, Espen; Smedslund, Geir & Søgaard, Anne Johanne (2002). Effects of first aid training in junior high schools. Injury control and safety promotion.  ISSN 1566-0974.  9, s 99- 106
  • Reichborn-Kjennerud, Ted; Stoltenberg, Camilla; Tambs, Kristian; Røysamb, Espen; Kringlen, Einar; Torgersen, Svenn & Harris, Jennifer R. (2002). Back-neck pain and symptoms of anxiety and depression: a population-based twin study. Psychological Medicine.  ISSN 0033-2917.  32(6), s 1009- 1020
  • Røysamb, Espen; Harris, Jennifer R.; Magnus, Per; Vittersø, Joar & Tambs, Kristian (2002). Subjective well-being. Sex specific effects of genetic and environmental factors. Personality and Individual Differences.  ISSN 0191-8869.  32, s 211- 223
  • Røysamb, Espen & Strype, Jon (2002). Optimism and pessimism. Underlying structure and dimensionality. Journal of Social and Clinical Psychology.  ISSN 0736-7236.  21(1), s 1- 19
  • Kraft, Pål; Røysamb, Espen & Holsen, Ingrid (2002). The relationship between body image and depressed mood - a 5-year longitudinal study in Norwegian adolescents. Journal of Health Psychology.  ISSN 1359-1053.  6(6), s 613- 627

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  • Røysamb, Espen (2013). Bli lykkeligere. Enkle øvelser for et bedre liv. Kagge.  ISBN 9788248913511.  150 s.
  • Røysamb, Espen (2006). Røysamb, Espen (2006). Personality and well-being. In M. Vollrath (Ed). Handbook of Personality and Health, 115 - 134. John Wiley & Sons.  ISBN 978-0-470-02135-4.  20 s.
  • Vittersø, Joar; Røysamb, Espen & Diener, Ed (2002). The concept of life satisfaction across cultures: exploring its diverse meaning and relation to economic wealth. In E. Gullone & R. Cummins (Eds.) Social Indicators Research Book Series: The Universality of Quality of Life Constructs. Kluver Academic Publishers.  15 s.

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  • Gjerde, Line C.; Eilertsen, Espen Moen; Rosenström, Tom Henrik; Reichborn-Kjennerud, Ted; Røysamb, Espen; McAdams, Tom A.; Eley, Thalia C. & Ystrøm, Eivind (2018). The Joint Structure of Psychopathology and Personality in Preadolescent Children – Preliminary Findings.
  • Hansen, Thomas; Nes, Ragnhild B; Barstad, Anders; Røysamb, Espen & Vittersø, Joar (2018). A strategy for creating good (better) lives in Norway.
  • Bang Nes, Ragnhild; Czajkowski, Nikolai Olavi; Røysamb, Espen & Vassend, Olav (2017). Components and sources of well-being and ill-being: A twin study.
  • Czajkowski, Nikolai Olavi; Bang Nes, Ragnhild; Vassend, Olav & Røysamb, Espen (2017). Effects of somatic and mental illness on subjective well-being. A discordant twin analysis.
  • H. Kleppestø, Thomas; Czajkowski, Nikolai Olavi; Vassend, Olav; Røysamb, Espen; R. Kunst, Jonas & Thomsen, Lotte (2017). Preferring domination or egalitarianism: Genetic and environmental structure of Social Dominance Orientation.
  • Lund, Ingunn Olea; Eilertsen, Espen Moen; Gjerde, Line C.; Røysamb, Espen; Wood, Mollie; Reichborn-Kjennerud, Ted & Ystrøm, Eivind (2017). Prenatal Exposure to Alcohol and Child Internalizing and Externalizing Problems.
  • Nes, Ragnhild Bang & Røysamb, Espen (2017). The Heritability and Changeability of Happiness.
  • Nes, Ragnhild Bang; Røysamb, Espen; Hansen, Thomas; Vittersø, Joar & Barstad, Anders (2017). A Strategy for Monitoring Quality of Life in Norway.
  • Røysamb, Espen; Bang Nes, Ragnhild; Czajkowski, Nikolai Olavi & Vassend, Olav (2017). Anxiety, depression and life satisfaction after midlife. A twin study across 20 years.
  • Vassend, Olav; Nielsen, Christopher Sivert; Røysamb, Espen & Czajkowski, Nikolai Olavi (2017). Fatigue symptoms in relation to neuroticism, anxiety-depression, and musculoskeletal pain. A longitudinal study.
  • Aakvaag, Helene Flood; Thoresen, Siri; Wentzel-Larsen, Tore; Dyb, Grete; Røysamb, Espen & Olff, Miranda (2016). Broken and guilty since it happened. A population study of trauma-related shame and guilt after violence and sexual abuse.
  • Aakvaag, Helene Flood; Thoresen, Siri; Wentzel-Larsen, Tore; Dyb, Grete; Røysamb, Espen & Olff, Miranda (2016). Broken since it happened. A population study of trauma-related shame after violence and sexual abuse.
  • Dyrdal, Gunvor Marie; Røysamb, Espen; Nes, Ragnhild Bang & Vittersø, Joar (2016). Life stressors and life satisfaction: Short- and long-term individual and societal effects..
  • Løvoll, Helga Synnevåg; Røysamb, Espen & Vittersø, Joar (2016). Positive følelser fasiliterer indremotivasjon.
  • Løvoll, Helga Synnevåg; Vittersø, Joar & Røysamb, Espen (2016). The Power of experiences. Momentary experience of intrinsic motivation analyzed With Experience Fluctuation Model and Flow-Simplex.
  • Gjerde, Line C.; Czajkowski, Nikolai Olavi; Røysamb, Espen; Ystrøm, Eivind; Tambs, Kristian; Aggen, Steven H.; Ørstavik, Ragnhild; Kendler, Kenneth S.; Reichborn-Kjennerud, Ted & Knudsen, Gun Peggy (2015). Avoidant and obsessive-compulsive personality disorder traits from early to middle adulthood. Show summary
  • Gjerde, Line C.; Czajkowski, Nikolai Olavi; Røysamb, Espen; Ystrøm, Eivind; Tambs, Kristian; Aggen, Steven H.; Ørstavik, Ragnhild; Kendler, Kenneth S.; Reichborn-Kjennerud, Ted & Knudsen, Gun Peggy (2015). Avoidant and obsessive-compulsive personality disorder traits from early to middle adulthood.
  • Nes, Ragnhild Bang & Røysamb, Espen (2015). The heritability of subjective well-being: Review and meta-analysis, In Michael Pluess (ed.),  Genetics of Psychological Well-Being.  Oxford University Press.  ISBN 978-0-19-968667-4.  5.  s 75 - 96
  • Reichborn-Kjennerud, Ted; Czajkowski, Nikolai Olavi; Ystrøm, Eivind; Ørstavik, Ragnhild; Aggen, Steven H.; Tambs, Kristian; Torgersen, Svenn; Neale, Michael C.; Røysamb, Espen; Krueger, Robert F; Knudsen, Gun Peggy & Kendler, Kenneth S. (2015). Borderline and antisocial personality disorder traits in early to middle adulthood: A longitudinal twin study. Show summary
  • Gjerde, Line Cecilie; Ørstavik, Ragnhild; Røysamb, Espen & Knudsen, Gun Peggy (2014). Genetic and environmental contributions to personality disorders, long-term sick leave and disability pension. Series of Dissertations submitted to the Faculty of Social Sciences, University of Oslo. 453.
  • Idstad, Mariann; Tambs, Kristian & Røysamb, Espen (2014). Mental distress in couples: subjective caregiver burden and divorce in the general population. Series of Dissertations submitted to the Faculty of Social Sciences, University of Oslo. 456.
  • Valle, Ann-Karin; Røysamb, Espen & Klepp, Knut Inge (2014). Positive Emotions, Sexual Self-Concepts and Contraceptive use among adolescent girls in Norway.
  • Aakvaag, Helene Flood; Thoresen, Siri; Wentzel-Larsen, Tore; Røysamb, Espen & Dyb, Grete (2013). Shame and Guilt in the aftermath of terror: The Utøya Island Study.
  • Aakvaag, Helene Flood; Thoresen, Siri; Wentzel-Larsen, Tore; Røysamb, Espen & Dyb, Grete (2013). Shame in the aftermath of terror: The Utøya Island Study.
  • Gjerde, Line C.; Røysamb, Espen; Czajkowski, Nikolai Olavi; Knudsen, Gun Peggy; Østby, Kristian Amundsen; Tambs, Kristian; Kendler, Kenneth S.; Reichborn-Kjennerud, Ted & Ørstavik, Ragnhild (2013). Personality disorders and long-term sick leave - Preliminary results from a population-based study of young adult Norwegian twins.
  • Tambs, Kristian; Røysamb, Espen & Rognmo, Kamilla (2013). Consequences of alcohol use for family members: a population based study. Series of Dissertations submitted to the Faculty of Social Sciences, University of Oslo. 433.
  • Valle, Ann-Karin & Røysamb, Espen (2013). Subjective Experience of quality of sexual relationships, teenage pregnancy and sexual health promotion among adolescents.
  • Gjerde, Line C.; Knudsen, Gun Peggy; Czajkowski, Nikolai Olavi; Aggen, Steven H.; Røysamb, Espen; Reichborn-Kjennerud, Ted; Tambs, Kristian; Østby, Kristian Amundsen; Kendler, Kenneth S. & Ørstavik, Ragnhild (2012). Genetic and environmental contributions to long-term sick leave and disability pension - A population-based study of young adult Norwegian twins.
  • Knudsen, Gun Peggy; Tambs, Kristian; Hettema, Jack; Ørstavik, Ragnhild; Røysamb, Espen; Czajkowski, Nikolai; Kendler, Kenneth S. & Reichborn-Kjennerud, Ted (2012). The influence of personality disorders on longitudinal stability of anxiety. Behavior Genetics.  ISSN 0001-8244.  42(6), s 944- 944 . doi: 10.1007/s10519-012-9566-6
  • Nes, Ragnhild Bang; Hauge, Lars Johan; Røysamb, Espen; Kornstad, Tom; Landolt, Markus; Irgens, Lorentz M.; Eskedal, Leif Torvald; Petter, Kristensen & Vollrath, Margarete E. (2012). Maternal Well-Being and Psychological Distress: A Prospective Longitudinal Study of Mothers Giving Birth to Children With Congenital Anomalies.
  • Nilsen, Wendy; Gustavson, Kristin Brun; Røysamb, Espen; Kjeldsen, Anne & Karevold, Evalill Bølstad (2012). A prospective examination of gender-specific pathways from maternal distress and childhood problem behaviors to adolescent depressive symptoms(Poster presentation).
  • Torvik, Fartein Ask; Tambs, Kristian & Røysamb, Espen (2012). Familial consequences of alcohol use in the general population.
  • Valle, Ann Karin; Røysamb, Espen & Klepp, Knut-Inge (2012). Social determinants, body image and sexual health among 15 and 16-year olds.
  • Gjerde, Line C.; Czajkowski, Nikolai Olavi; Røysamb, Espen; Ørstavik, Ragnhild; Østby, Kristian Amundsen; Knudsen, Gun Peggy; Kendler, Kenneth S. & Reichborn-Kjennerud, Ted (2011). The heritability of liability to Cluster C personality disorders. Preliminary results from Axis I and Axis II Psychiatric Disorders in Norwegian Twins.
  • Nilsen, Wendy; Karevold, Evalill Bølstad; Røysamb, Espen; Gustavson, Kristin Brun & Mathiesen, Kristin Schjelderup (2011). Prospective associations between social competence and adolescent depressive symptoms (Oral presentation).
  • Ørstavik, Ragnhild; Czajkowski, Nikolai Olavi; Knudsen, Gun Peggy; Røysamb, Espen; Tambs, Kristian & Reichborn-Kjennerud, Ted (2011). Possible sex differences in genetic and environmental influences on measures of socioeconomic status-results from a Norwegian study of young adult twins. Behavior Genetics.  ISSN 0001-8244.  41(6), s 929- 929
  • Nilsen, Wendy; Karevold, Evalill Bølstad; Røysamb, Espen & Mathiesen, Kristin Schjelderup (2010). Do social skills moderate the relation between early maternal distress and adolescent depressive symptoms.
  • Nilsen, Wendy; Karevold, Evalill Bølstad; Røysamb, Espen & Mathiesen, Kristin Schjelderup (2010). Maternal symptoms of distress in toddlerhood and later adolescent depressive symptoms.
  • Valle, Ann Karin & Røysamb, Espen (2010). Sosial ulikhet, kroppsbilde og seksuell helse blant ungdom - gamle myter eller nye innsikter.
  • Alves, Daniele Evelin; Zachrisson, Henrik Daae; Oppedal, Brit & Røysamb, Espen (2009). Absence in gender differences in internalizing symptoms among ethnic minority preadolescents.
  • Nilsen, Wendy; Karevold, Evalill Bølstad; Røysamb, Espen & Mathiesen, Kristin Schjelderup (2009). Predicting depression symptoms in adolescence – Examining the effects of cumulative maternal distress, current strains and temperament [POSTER PRESENTATION].
  • Reichborn-Kjennerud, Ted; Czajkowski, Nikolai; Røysamb, Espen; Ørstavik, Ragnhild Elise; Torgersen, Svenn & Kendler, Kenneth S (2009). Major Depression and DSM-IV Personality Disorders: A Population-Based Twin Study.
  • Karevold, Evalill Bølstad; Røysamb, Espen & Mathiesen, Kristin Schjelderup (2008). Emotional problems in childhood and adolescence : predictors, pathways and underlying structure. Series of Dissertations submitted to the Faculty of Social Sciences, University of Oslo. No.126.
  • Oppedal, Brit & Røysamb, Espen (2008). Association between parents’ achievement values and mental health among immigrant and non immigrant youth in Norway.
  • Røysamb, Espen & Vittersø, Joar (2008). Subjective well-being: How do genes and environment contribute to stability and change.
  • Nes, Ragnhild Bang & Røysamb, Espen (2007). Well-being & psychological distress : genetic and environmental influences on stability, change, and covariance. Series of Dissertations submitted to the Faculty of Social Sciences, University of Oslo. No.92.
  • Tambs, Kristian; Czajkowski, N; Reichborn-Kjennerud, Ted; Aggen, SH; Ørstavik, Ragnhild Elise; Neale, MC; Røysamb, Espen; Harris, Jennifer & Kendler, KS (2007). Evidence of familial effects common to panic disorder, generalized anxiety disorder, and phobias and common and disorder specific effects of non-shared environment. Behavior Genetics.  ISSN 0001-8244.  37
  • Ørstavik, Ragnhild Elise; Kendler, KS; Røysamb, Espen; Tambs, Kristian; Czajkovski, N & Reichborn-Kjennerud, Ted (2007). The relationship between borderline, avoidant and depressive personality disorder: A multivariate twin study. Behavior Genetics.  ISSN 0001-8244.  37
  • Vittersø, Joar; Dyrdal, Gunvor M & Røysamb, Espen (2006). Why can’t we measure engagement with life satisfaction scales? Some theoretical and empirical arguments about their distinctiveness.
  • Røysamb, Espen (2006). The Science of Well-being. Psychological Medicine.  ISSN 0033-2917.  36
  • Røysamb, Espen (2006). The Science of Well-being (Edited by F. Huppert N. Baylis and B. Keverne.) Oxford University Press. Psychological Medicine.  ISSN 0033-2917.  36
  • Thoresen, Siri; Mehlum, Lars; Røysamb, Espen & Tønnessen, Arnfinn (2005). Risk factors for suicide attempt in Norwegian peace-keepers.
  • Vittersø, Joar; Dyrdal, Gunvor M & Røysamb, Espen (2005). Utilities and capabilities: A psychological account of the two concepts and their relation to the idea of a good life.
  • Røysamb, Espen; Harris, Jennifer R.; Reichborn-Kjennerud, Ted & Tambs, Kristian (2004). Causes of respondent participation and attrition in questionnaire surveys:a longitudinal twin study. Behavior Genetics.  ISSN 0001-8244.  34, s 659- 659

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Published Sep. 27, 2010 1:37 PM - Last modified Nov. 11, 2018 2:58 PM

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