| The structure of genetic and environmental risk factors for DSM-IV personality disorders: a multivariate twin study KS Kendler, SH Aggen, N Czajkowski, E Røysamb, K Tambs, S Torgersen, ... Archives of general psychiatry 65 (12), 1438-1446, 2008 | 371 | 2008 |
| Individual differences in pain sensitivity: genetic and environmental contributions CS Nielsen, A Stubhaug, DD Price, O Vassend, N Czajkowski, JR Harris PAIN® 136 (1-2), 21-29, 2008 | 367 | 2008 |
| Dimensional representations of DSM-IV cluster B personality disorders in a population-based sample of Norwegian twins: a multivariate study S Torgersen, N Czajkowski, K Jacobson, T Reichborn-Kjennerud, ... Psychological medicine 38 (11), 1617-1625, 2008 | 280 | 2008 |
| The relationship between avoidant personality disorder and social phobia: A population-based twin study T Reichborn-Kjennerud, N Czajkowski, S Torgersen, MC Neale, ... American Journal of Psychiatry 164 (11), 1722-1728, 2007 | 181 | 2007 |
| Genetics, personality and wellbeing. A twin study of traits, facets and life satisfaction E Røysamb, RB Nes, NO Czajkowski, O Vassend Scientific reports 8 (1), 12298, 2018 | 148 | 2018 |
| Genetic and environmental influences on dimensional representations of DSM-IV cluster C personality disorders: a population-based multivariate twin study TED Reichborn-Kjennerud, N Czajkowski, MC Neale, RE Ørstavik, ... Psychological Medicine 37 (5), 645-653, 2007 | 134 | 2007 |
| Major depression and life satisfaction: a population-based twin study RB Nes, NO Czajkowski, E Røysamb, RE Ørstavik, K Tambs, ... Journal of affective disorders 144 (1-2), 51-58, 2013 | 133 | 2013 |
| Dimensional representations of DSM-IV cluster A personality disorders in a population-based sample of Norwegian twins: a multivariate study KS Kendler, N Czajkowski, K Tambs, S Torgersen, SH Aggen, MC Neale, ... Psychological Medicine 36 (11), 1583-1591, 2006 | 117 | 2006 |
| Bias from self selection and loss to follow-up in prospective cohort studies G Biele, K Gustavson, NO Czajkowski, RM Nilsen, ... European journal of epidemiology 34, 927-938, 2019 | 115 | 2019 |
| Structure of genetic and environmental risk factors for symptoms of DSM-IV borderline personality disorder T Reichborn-Kjennerud, E Ystrom, MC Neale, SH Aggen, SE Mazzeo, ... JAMA psychiatry 70 (11), 1206-1214, 2013 | 93 | 2013 |
| Major depression and dimensional representations of DSM-IV personality disorders: a population-based twin study T Reichborn-Kjennerud, N Czajkowski, E Røysamb, RE Ørstavik, ... Psychological Medicine 40 (9), 1475-1484, 2010 | 88 | 2010 |
| Correlations between social dominance orientation and political attitudes reflect common genetic underpinnings TH Kleppestø, NO Czajkowski, O Vassend, E Røysamb, NH Eftedal, ... Proceedings of the National Academy of Sciences 116 (36), 17741-17746, 2019 | 83 | 2019 |
| Children's emotions in math problem solving situations: Contributions of self-concept, metacognitive experiences, and performance E Tornare, NO Czajkowski, F Pons Learning and Instruction 39, 88-96, 2015 | 77 | 2015 |
| A longitudinal twin study of borderline and antisocial personality disorder traits in early to middle adulthood T Reichborn-Kjennerud, N Czajkowski, E Ystrøm, R Ørstavik, SH Aggen, ... Psychological medicine 45 (14), 3121-3131, 2015 | 77 | 2015 |
| Joint factorial structure of psychopathology and personality T Rosenström, LC Gjerde, RF Krueger, SH Aggen, NO Czajkowski, ... Psychological medicine 49 (13), 2158-2167, 2019 | 76 | 2019 |
| The relationship between level of cognitive impairments and functional outcome trajectories in first-episode schizophrenia S Fu, N Czajkowski, BR Rund, AK Torgalsbøen Schizophrenia research 190, 144-149, 2017 | 72 | 2017 |
| Personality disorders are important risk factors for disability pensioning KA Østby, N Czajkowski, GP Knudsen, E Ystrom, LC Gjerde, KS Kendler, ... Social psychiatry and psychiatric epidemiology 49, 2003-2011, 2014 | 72 | 2014 |
| Low heritability of tinnitus: results from the second Nord-Trøndelag health study E Kvestad, N Czajkowski, B Engdahl, HJ Hoffman, K Tambs Archives of Otolaryngology–Head & Neck Surgery 136 (2), 178-182, 2010 | 71 | 2010 |
| Maternal alcohol use during pregnancy and offspring attention-deficit hyperactivity disorder (ADHD): a prospective sibling control study EM Eilertsen, LC Gjerde, T Reichborn-Kjennerud, RE Ørstavik, ... International Journal of Epidemiology 46 (5), 1633-1640, 2017 | 70 | 2017 |
| Evaluation of “SIBS”, an intervention for siblings and parents of children with chronic disorders YB Haukeland, NO Czajkowski, KW Fjermestad, WK Silverman, ... Journal of Child and Family Studies 29 (8), 2201-2217, 2020 | 64 | 2020 |
