Ted Reichborn-Kjennerud

• Bjørndal, Ludvig Daae; Kendler, Kenneth S.; Reichborn-Kjennerud, Ted & Ystrøm, Eivind (2022). Stressful life events increase the risk of major depressive episodes: A population-based twin study. Psychological Medicine. ISSN 0033-2917. s. 1–9. doi: 10.1017/S0033291722002227.
• Ystrøm, Eivind; Degerud, Eirik Magnus Meek; Tesli, Martin Steen; Høye, Anne; Reichborn-Kjennerud, Ted & Næss, Øyvind Erik (2022). Alcohol consumption and lower risk of cardiovascular and all-cause mortality: the impact of accounting for familial factors in twins. Psychological Medicine. ISSN 0033-2917. doi: 10.1017/S0033291722000812. Fulltekst i vitenarkiv
• Jami, Eshim S.; Hammerschlag, Anke R.; Ip, Hill F.; Allegrini, Andrea G.; Benyamin, Beben & Border, Richard [Vis alle 94 forfattere av denne artikkelen] (2022). Genome-wide association meta-analysis of childhood and adolescent internalizing symptoms. Journal of the American Academy of Child and Adolescent Psychiatry. ISSN 0890-8567. s. 1–12. doi: 10.1016/j.jaac.2021.11.035. Fulltekst i vitenarkiv
• Walle, Kjersti Mæhlum; Askeland, Ragna Bugge; Gustavson, Kristin; Mjaaland, Siri; Ystrøm, Eivind & Lipkin, W. Ian [Vis alle 13 forfattere av denne artikkelen] (2022). Risk of attention-deficit hyperactivity disorder in offspring of mothers with infections during pregnancy. JCPP Advances. ISSN 2692-9384. s. 1–11. doi: 10.1002/jcv2.12070. Fulltekst i vitenarkiv
• Torvik, Fartein Ask; Eilertsen, Espen Moen; Hannigan, Laurie J.; Cheesman, Rosa Catherine Gillespie; Howe, Laurence J. & Magnus, Per Minor [Vis alle 11 forfattere av denne artikkelen] (2022). Modeling assortative mating and genetic similarities between partners, siblings, and in-laws. Nature Communications. ISSN 2041-1723. 13(1), s. 1–10. doi: 10.1038/s41467-022-28774-y. Fulltekst i vitenarkiv
• Helgeland, Øyvind; Vaudel, Marc; Sole-Navais, Pol; Flatley, Christopher; Juodakis, Julius & Bacelis, Jonas [Vis alle 18 forfattere av denne artikkelen] (2022). Characterization of the genetic architecture of infant and early childhood body mass index. Nature Metabolism. 4, s. 344–358. doi: 10.1038/s42255-022-00549-1. Fulltekst i vitenarkiv
• Che, Xiaoyu; Hornig, Mady; Bresnahan, Michaeline; Stoltenberg, Camilla; Magnus, Per Minor & Suren, Pål [Vis alle 10 forfattere av denne artikkelen] (2022). Maternal mid-gestational and child cord blood immune signatures are strongly associated with offspring risk of ASD. Molecular Psychiatry. ISSN 1359-4184. s. 1–15. doi: 10.1038/s41380-021-01415-4. Fulltekst i vitenarkiv
• Kamai, Elizabeth M.; Villanger, Gro Dehli; Nethery, Rachel C.; Thomsen, Cathrine; Sakhi, Amrit Kaur & Drover, Samantha S.M. [Vis alle 14 forfattere av denne artikkelen] (2021). Gestational Phthalate Exposure and Preschool Attention Deficit Hyperactivity Disorder in Norway. Environmental Epidemiology. ISSN 2474-7882. 5(4). doi: 10.1097/EE9.0000000000000161. Fulltekst i vitenarkiv
• Ask, Helga; Eilertsen, Espen Moen; Gjerde, Line Cecilie; Hannigan, Laurie John; Gustavson, Kristin & Havdahl, Alexandra [Vis alle 12 forfattere av denne artikkelen] (2021). Intergenerational transmission of parental neuroticism to emotional problems in 8-year-old children: Genetic and environmental influences. JCPP Advances. ISSN 2692-9384. 1(4). doi: 10.1002/jcv2.12054. Fulltekst i vitenarkiv
• Unnarsdóttir, Anna Bára; Lovik, Anikó; Fawns-Ritchie, Chloe; Ask, Helga; Kõiv, Kadri & Hagen, Kristen [Vis alle 52 forfattere av denne artikkelen] (2021). Cohort Profile: COVIDMENT: COVID-19 cohorts on mental health across six nations. International Journal of Epidemiology. ISSN 0300-5771. s. 1–15. doi: 10.1093/ije/dyab234. Fulltekst i vitenarkiv
• Haan, Elis; Sallis, Hannah M.; Zuccolo, Luisa; Labrecque, Jeremy; Ystrøm, Eivind & Reichborn-Kjennerud, Ted [Vis alle 9 forfattere av denne artikkelen] (2021). Prenatal smoking, alcohol and caffeine exposure and maternal-reported attention deficit hyperactivity disorder symptoms in childhood: triangulation of evidence using negative control and polygenic risk score analyses. Addiction. ISSN 0965-2140. 117(5), s. 1458–1471. doi: 10.1111/add.15746. Fulltekst i vitenarkiv
• Ip, Hill F.; van der Laan, Camiel M.; Krapohl, Eva M. L.; Brikell, Isabell; Sánchez-Mora, Cristina & Nolte, Ilja M. [Vis alle 50 forfattere av denne artikkelen] (2021). Genetic association study of childhood aggression across raters, instruments, and age. Translational Psychiatry. ISSN 2158-3188. 11, s. 1–9. doi: 10.1038/s41398-021-01480-x. Fulltekst i vitenarkiv
• Askeland, Ragna Bugge; Hannigan, Laurie J.; Ask, Helga; Ayorech, Ziada; Tesli, Martin Steen & Corfield, Elizabeth [Vis alle 12 forfattere av denne artikkelen] (2021). Early manifestations of genetic risk for neurodevelopmental disorders. Journal of Child Psychology and Psychiatry. ISSN 0021-9630. s. 1–10. doi: 10.1111/jcpp.13528. Fulltekst i vitenarkiv
• Gustavson, Kristin; Torvik, Fartein Ask; Eilertsen, Espen Moen; Ask, Helga; McAdams, Tom A. & Hannigan, Laurie John [Vis alle 9 forfattere av denne artikkelen] (2021). Genetic and environmental contributions to co-occurring ADHD and emotional problems in school-aged children. Developmental Psychology. ISSN 0012-1649. 57(8), s. 1359–1371. doi: 10.1037/dev0001229. Fulltekst i vitenarkiv
• Lupattelli, Angela; Mahic, Milada; Handal, Marte; Ystrøm, Eivind; Reichborn-Kjennerud, Ted & Nordeng, Hedvig Marie Egeland (2021). Attention-Deficit/Hyperactivity Disorder in Children Following Prenatal Exposure to Antidepressants: results from the Norwegian Mother, Father and Child Cohort Study. BJOG: An International Journal of Obstetrics and Gynaecology. ISSN 1470-0328. 128(21), s. 1917–1927. doi: 10.1111/1471-0528.16743. Fulltekst i vitenarkiv
• Gustavson, Kristin; Ystrøm, Eivind; Ask, Helga; Torvik, Fartein Ask; Hornig, Mady & Susser, Ezra [Vis alle 16 forfattere av denne artikkelen] (2021). Acetaminophen use during pregnancy and offspring attention deficit hyperactivity disorder - a longitudinal sibling control study. JCPP Advances. ISSN 2692-9384. 1(2). doi: 10.1002/jcv2.12020. Fulltekst i vitenarkiv
• Haan, E; Sallis, H; Ystrøm, Eivind; Njølstad, Pål Rasmus; Andreassen, Ole & Reichborn-Kjennerud, Ted [Vis alle 9 forfattere av denne artikkelen] (2021). Maternal and offspring genetic risk score analyses of fetal alcohol exposure and attention-deficit hyperactivity disorder risk in offspring. Alcoholism: Clinical and Experimental Research. ISSN 0145-6008. 45(10), s. 2090–2102. doi: 10.1111/acer.14692. Fulltekst i vitenarkiv
• Choi, Giehae; Keil, Alexander P.; Richardson, David B.; Daniels, Julie L; Hoffman, Kate & Villanger, Gro Dehli [Vis alle 11 forfattere av denne artikkelen] (2021). Pregnancy exposure to organophosphate esters and the risk of attention-deficit hyperactivity disorder in the Norwegian mother, father and child cohort study. Environment International. ISSN 0160-4120. 154. doi: 10.1016/j.envint.2021.106549. Fulltekst i vitenarkiv
• Skogheim, Thea Steen; Weyde, Kjell Vegard Fjeldheim; Aase, Heidi; Engel, Stephanie M.; Suren, Pål & Øie, Merete Glenne [Vis alle 13 forfattere av denne artikkelen] (2021). Prenatal exposure to per- and polyfluoroalkyl substances (PFAS) and associations with attention-deficit/hyperactivity disorder and autism spectrum disorder in children. Environmental Research. ISSN 0013-9351. 202. doi: 10.1016/j.envres.2021.111692. Fulltekst i vitenarkiv
• Høye, Anne; Jacobsen, Bjarne K.; Bramness, Jørgen Gustav; Nesvåg, Ragnar; Reichborn-Kjennerud, Ted & Heiberg, Ina Heidi (2021). Total and cause‑specific mortality in patients with personality disorders: the association between comorbid severe mental illness and substance use disorders. Social Psychiatry and Psychiatric Epidemiology. ISSN 0933-7954. 56, s. 1809–1819. doi: 10.1007/s00127-021-02055-3. Fulltekst i vitenarkiv Vis sammendrag

  PurposeTo investigate the mortality in both in- and outpatients with personality disorders (PD), and to explore the associa-tion between mortality and comorbid substance use disorder (SUD) or severe mental illness (SMI).MethodsAll residents admitted to Norwegian in- and outpatient specialist health care services during 2009–2015 with a PD diagnosis were included. Standardized mortality ratios (SMRs) with 95% confidence intervals (CI) were estimated in patients with PD only and in patients with PD and comorbid SMI or SUD. Cox proportional hazards models were used to estimate adjusted hazard ratios (HRs) with 95% CIs in patients with PD and comorbid SMI or SUD compared to patients with PD only.ResultsMortality was increased in both in- and outpatients with PD. The overall SMR was 3.8 (95% CI 3.6–4.0). The highest SMR was estimated for unnatural causes of death (11.0, 95% CI 10.0–12.0), but increased also for natural causes of death (2.2, 95% CI 2.0–2.5). Comorbidity was associated with higher SMRs, particularly due to poisoning and suicide. Patients with comorbid PD & SUD had almost four times higher all-cause mortality HR than patients with PD only; young women had the highest HR.ConclusionThe SMR was high in both in- and outpatients with PD, and particularly high in patients with comorbid PD & SUD. Young female patients with PD & SUD were at highest risk. The higher mortality in patients with PD cannot, however, fully be accounted for by comorbidity.

• Choi, Giehae; Villanger, Gro Dehli; Drover, Samantha S.M.; Sakhi, Amrit Kaur; Thomsen, Cathrine & Nethery, Rachel C. [Vis alle 15 forfattere av denne artikkelen] (2021). Prenatal phthalate exposures and executive function in preschool children. Environment International. ISSN 0160-4120. 149. doi: 10.1016/j.envint.2021.106403. Fulltekst i vitenarkiv
• Skogheim, Thea Steen; Weyde, Kjell Vegard Fjeldheim; Engel, Stephanie M.; Aase, Heidi; Suren, Pål & Øie, Merete Glenne [Vis alle 12 forfattere av denne artikkelen] (2021). Metal and essential element concentrations during pregnancy and associations with autism spectrum disorder and attention-deficit/hyperactivity disorder in children. Environment International. ISSN 0160-4120. 152, s. 1–14. doi: 10.1016/j.envint.2021.106468. Fulltekst i vitenarkiv
• Hannigan, Laurie John; Askeland, Ragna Bugge; Ask, Helga; Tesli, Martin; Corfield, Elizabeth & Ayorech, Ziada [Vis alle 15 forfattere av denne artikkelen] (2021). Genetic Liability for Schizophrenia and Childhood Psychopathology in the General Population. Schizophrenia Bulletin. ISSN 0586-7614. 47(4), s. 1179–1189. doi: 10.1093/schbul/sbaa193. Fulltekst i vitenarkiv
• Bryois, Julien; Skene, Nathan G.; Hansen, Thomas Folkmann; Kogelman, Lisette J.A.; Watson, Hunna J. & Liu, Zijing [Vis alle 50 forfattere av denne artikkelen] (2020). Genetic identification of cell types underlying brain complex traits yields insights into the etiology of Parkinson’s disease. Nature Genetics. ISSN 1061-4036. 52, s. 482–493. doi: 10.1038/s41588-020-0610-9. Fulltekst i vitenarkiv
• Havdahl, Alexandra; Farmer, Cristan; Schjølberg, Synnve; Øyen, Anne-Siri; Suren, Pål & Reichborn-Kjennerud, Ted [Vis alle 15 forfattere av denne artikkelen] (2020). Age of walking and intellectual ability in autism spectrum disorder and other neurodevelopmental disorders: a population‐based study. Journal of Child Psychology and Psychiatry. ISSN 0021-9630. s. 1–9. doi: 10.1111/jcpp.13369. Fulltekst i vitenarkiv
• Czajkowski, Nikolai Olavi; Kendler, Kenneth S; Torvik, Fartein Ask; Ystrøm, Eivind; Rosenström, Tom Henrik & Gillespie, Nathan [Vis alle 7 forfattere av denne artikkelen] (2020). Caffeine consumption, toxicity, tolerance and withdrawal; shared genetic influences with normative personality and personality disorder traits. Experimental and clinical psychopharmacology. ISSN 1064-1297. doi: 10.1037/pha0000429. Fulltekst i vitenarkiv
• Kiselev, Yury; Handal, Marte; Hjellvik, Vidar; Reichborn-Kjennerud, Ted; Stoltenberg, Camilla & Suren, Pål [Vis alle 8 forfattere av denne artikkelen] (2020). Nationwide study of neuropsychiatric comorbidity and medicines use in children with autism spectrum disorder in Norway. Frontiers in Psychiatry. ISSN 1664-0640. 11, s. 1–8. doi: 10.3389/fpsyt.2020.596032.
• Sivertsen, Børge; Harvey, Allison G.; Reichborn-Kjennerud, Ted; Ystrøm, Eivind & Hysing, Mari (2020). Sleep problems and depressive symptoms in toddlers and 8-year-old children: A longitudinal study. Journal of Sleep Research. ISSN 0962-1105. s. 1–10. doi: 10.1111/jsr.13150. Fulltekst i vitenarkiv
• Eilertsen, Espen Moen; Hannigan, Laurie John; McAdams, Tom A.; Rijsdijk, Frühling V.; Czajkowski, Nikolai Olavi & Reichborn-Kjennerud, Ted [Vis alle 8 forfattere av denne artikkelen] (2020). Parental Prenatal Symptoms of Depression and Offspring Symptoms of ADHD: A Genetically Informed Intergenerational Study. Journal of Attention Disorders. ISSN 1087-0547. doi: 10.1177/1087054720914386. Fulltekst i vitenarkiv
• Akingbuwa, Wonuola A.; Hammerschlag, Anke R.; Jami, Eshim S.; Allegrini, Andrea G.; Karhunen, Ville & Sallis, Hannah [Vis alle 35 forfattere av denne artikkelen] (2020). Genetic Associations Between Childhood Psychopathology and Adult Depression and Associated Traits in 42 998 Individuals: A Meta-analysis. JAMA psychiatry. ISSN 2168-6238. 77(7), s. 715–728. doi: 10.1001/jamapsychiatry.2020.0527. Fulltekst i vitenarkiv
• Ørbeck, Beate; Furu, Kari; Zeiner, Pål; Aase, Heidi; Reichborn-Kjennerud, Ted & Pripp, Are Hugo [Vis alle 7 forfattere av denne artikkelen] (2020). Child and Parental Characteristics of Medication Use for Attention-Deficit/Hyperactivity Disorder. Journal of child and adolescent psychopharmacology. ISSN 1044-5463. 30(7), s. 456–464. doi: 10.1089/cap.2019.0019. Fulltekst i vitenarkiv
• Munn-Chernoff, Melissa A.; Johnson, Emma C.; Chou, Yi-Ling; Coleman, Jonathan R.I.; Thornton, Laura M. & Walters, Raymond K. [Vis alle 104 forfattere av denne artikkelen] (2020). Shared genetic risk between eating disorder‐ and substance‐use‐related phenotypes: Evidence from genome‐wide association studies. Addiction Biology. ISSN 1355-6215. doi: 10.1111/adb.12880.
• Rosenström, Tom Henrik; Torvik, Fartein Ask; Ystrøm, Eivind; Aggen, Steven H.; Gillespie, Nathan A. & Krueger, Robert F. [Vis alle 9 forfattere av denne artikkelen] (2020). Specific Antisocial and Borderline Personality Disorder Criteria and General Substance Use: A Twin Study. Personality Disorders: Theory, Research, and Treatment. ISSN 1949-2715. 12(3), s. 228–240. doi: 10.1037/per0000404.
• Villanger, Gro Dehli; Ystrøm, Eivind; Engel, Stephanie M.; Longnecker, Matthew P.; Pettersen, Rolf Dagfinn & Rowe, Alexander D. [Vis alle 8 forfattere av denne artikkelen] (2020). Neonatal thyroid‐stimulating hormone and association with attention‐deficit/hyperactivity disorder. Paediatric and Perinatal Epidemiology. ISSN 0269-5022. 34(5), s. 590–596. doi: 10.1111/ppe.12643. Fulltekst i vitenarkiv
• Villanger, Gro Dehli; Drover, Samantha S.M.; Nethery, Rachel C.; Thomsen, Cathrine; Sakhi, Amrit Kaur & Øvergaard, Kristin Romvig [Vis alle 11 forfattere av denne artikkelen] (2020). Associations between urine phthalate metabolites and thyroid function in pregnant women and the influence of iodine status. Environment International. ISSN 0160-4120. 137. doi: 10.1016/j.envint.2020.105509. Fulltekst i vitenarkiv
• Lund, Ingunn Olea; Eilertsen, Espen Moen; Gjerde, Line C.; Torvik, Fartein Ask; Røysamb, Espen & Reichborn-Kjennerud, Ted [Vis alle 7 forfattere av denne artikkelen] (2020). Maternal Drinking and Child Emotional and Behavior Problems. Pediatrics. ISSN 0031-4005. 145(3). doi: 10.1542/peds.2019-2007. Fulltekst i vitenarkiv
• Heiberg, Ina Heidi; Nesvåg, Ragnar; Balteskard, Lise; Bramness, Jørgen Gustav; Hultman, Christina M. & Næss, Øyvind [Vis alle 10 forfattere av denne artikkelen] (2020). Diagnostic tests and treatment procedures performed prior to cardiovascular death in individuals with severe mental illness. Acta Psychiatrica Scandinavica. ISSN 0001-690X. 141, s. 439–451. doi: 10.1111/acps.13157. Fulltekst i vitenarkiv
• Ask, Helga; Handal, Marte; Hauge, Lars Johan; Reichborn-Kjennerud, Ted & Skurtveit, Svetlana (2020). Incidence of diagnosed pediatric anxiety disorders and use of prescription drugs: a nation-wide registry study. European Child and Adolescent Psychiatry. ISSN 1018-8827. doi: 10.1007/s00787-019-01419-0.
• Reichborn-Kjennerud, Ted & Telle, Kjetil Elias (2019). Likeverdig behandling av psykisk sykdom. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(13). doi: 10.4045/tidsskr.19.0545.
• Seglem, Karoline Brobakke; Torvik, Fartein Ask; Røysamb, Espen; Gjerde, Line C.; Magnus, Per & Reichborn-Kjennerud, Ted [Vis alle 8 forfattere av denne artikkelen] (2019). A Life Course Study of Genetic and Environmental Influences on Work Incapacity. Twin Research and Human Genetics. ISSN 1832-4274. s. 1–7. doi: 10.1017/thg.2019.116. Fulltekst i vitenarkiv
• Lee, Phil H.; Antilla, Verneri; Won, Hyejung; Feng, Yen-Chen A.; Rosenthal, Jacob & Zhu, Zhaozhong [Vis alle 66 forfattere av denne artikkelen] (2019). Genomic Relationships, Novel Loci, and Pleiotropic Mechanisms across Eight Psychiatric Disorders. Cell. ISSN 0092-8674. 179(7), s. 1469–1482. doi: 10.1016/j.cell.2019.11.020. Fulltekst i vitenarkiv
• O`Connell, Kevin; Shadrin, Alexey A.; Smeland, Olav Bjerkehagen; Bahrami, Shahram; Frei, Oleksandr & Bettella, Francesco [Vis alle 24 forfattere av denne artikkelen] (2019). Identification of genetic loci shared between ADHD, intelligence and educational attainment . Biological Psychiatry. ISSN 0006-3223. 87(12), s. 1052–1062. doi: 10.1016/j.biopsych.2019.11.015. Fulltekst i vitenarkiv
• Suren, Pål; Bakken, Inger Johanne Landsjøåsen; Skurtveit, Svetlana; Handal, Marte; Reichborn-Kjennerud, Ted & Stoltenberg, Camilla [Vis alle 8 forfattere av denne artikkelen] (2019). Tourettes syndrom hos barn i Norge. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(17), s. 1648–1653. doi: 10.4045/tidsskr.19.0411. Fulltekst i vitenarkiv
• Gjerde, Line C.; Eilertsen, Espen Moen; Hannigan, Laurie; Eley, Thalia C.; Røysamb, Espen & Reichborn-Kjennerud, Ted [Vis alle 9 forfattere av denne artikkelen] (2019). Associations between maternal depressive symptoms and risk for offspring early-life psychopathology: the role of genetic and non-genetic mechanisms. Psychological Medicine. ISSN 0033-2917. doi: 10.1017/s0033291719003301. Fulltekst i vitenarkiv
• O`Connell, Kevin; Shadrin, Alexey A.; Bahrami, Shahram; Smeland, Olav Bjerkehagen; Bettella, Francesco & Frei, Oleksandr [Vis alle 20 forfattere av denne artikkelen] (2019). Identification of genetic overlap and novel risk loci for attention-deficit/hyperactivity disorder and bipolar disorder. Molecular Psychiatry. ISSN 1359-4184. s. 1–11. doi: 10.1038/s41380-019-0613-z. Fulltekst i vitenarkiv
• Gudmundsson, Ólafur Ó.; Walters, Gudmundur Bragi; Ingason, Andrés; Johansson, Stefan; Zayats, Tetyana & Athanasiu, Lavinia [Vis alle 27 forfattere av denne artikkelen] (2019). Attention-deficit hyperactivity disorder shares copy number variant risk with schizophrenia and autism spectrum disorder. Translational Psychiatry. ISSN 2158-3188. 9, s. 1–9. doi: 10.1038/s41398-019-0599-y. Fulltekst i vitenarkiv
• Suren, Pål; Havdahl, Alexandra; Øyen, Anne-Siri; Schjølberg, Synnve; Reichborn-Kjennerud, Ted & Magnus, Per [Vis alle 8 forfattere av denne artikkelen] (2019). Diagnostisering av autismespekterforstyrrelser hos barn i Norge. Tidsskrift for Den norske legeforening. ISSN 0029-2001. 139(14), s. 1372–1379. doi: 10.4045/tidsskr.18.0960. Fulltekst i vitenarkiv Vis sammendrag

  BACKGROUND:The percentage share of children who are diagnosed with autism spectrum disorder has increased considerably since the 1990s in Norway as well as in other countries. It has previously been demonstrated that there is considerable variation between counties with respect to diagnostic practice. MATERIAL AND METHOD:We calculated the percentage of children with autism spectrum disorder by using patient data obtained from the Norwegian Patient Registry and population data obtained from the National Registry. The calculations were made for the country as a whole as well as by county. The diagnostic assessments and documentation were mapped by linking the Norwegian Patient Registry with the Norwegian Mother, Father and Child Cohort study. We also reviewed patient records obtained from the specialist health service and considered whether diagnostic practice satisfied the research criteria for autism spectrum disorder. RESULTS:By the age of eight, 1.1 % of boys and 0.3 % of girls had been diagnosed with autism spectrum disorder. The overall percentages varied from 0.3 to 1.0 between counties. From 2008 to 2016, these percentages increased in all age groups. Our review of patient records included 503 children. In 95 % of cases the patient records provided a high standard of documentation that the diagnostic research criteria had been satisfied. The assessments were largely conducted in accordance with the guidelines drawn up by the various health trusts. INTERPRETATION:Autism diagnoses are generally well documented within the Norwegian specialist health service and meet the diagnostic criteria. In the counties that demonstrate a low prevalence of autism, it appears the health service fails to recognise autism in many children, particularly girls, or the diagnosis is determined late.

• Biele, Guido; Gustavson, Kristin; Czajkowski, Nikolai Olavi; Nilsen, Roy Miodini; Reichborn-Kjennerud, Ted & Magnus, Per [Vis alle 8 forfattere av denne artikkelen] (2019). Bias from self selection and loss to follow-up in prospective cohort studies. European Journal of Epidemiology (EJE). ISSN 0393-2990. 34(10), s. 927–938. doi: 10.1007/s10654-019-00550-1.
• Watson, Hunna J.; Yilmaz, Zeynep; Thornton, Laura M.; Hübel, Christopher; Coleman, Jonathan R. I. & Gaspar, Héléna A. [Vis alle 210 forfattere av denne artikkelen] (2019). Genome-wide association study identifies eight risk loci and implicates metabo-psychiatric origins for anorexia nervosa. Nature Genetics. ISSN 1061-4036. 51(8), s. 1207–1214. doi: 10.1038/s41588-019-0439-2.
• Gustavson, Kristin; Ask, Helga; Ystrøm, Eivind; Stoltenberg, Camilla; Lipkin, W. Ian & Suren, Pål [Vis alle 16 forfattere av denne artikkelen] (2019). Maternal fever during pregnancy and offspring attention deficit hyperactivity disorder. Scientific Reports. ISSN 2045-2322. 9:9519, s. 1–10. doi: 10.1038/s41598-019-45920-7. Fulltekst i vitenarkiv
• Watson, Hunna J; Diemer, Elizabeth W; Zerwas, Stephanie; Gustavson, Kristin; Knudsen, Gun Peggy S. & Torgersen, Leila [Vis alle 8 forfattere av denne artikkelen] (2019). Prenatal and perinatal risk factors for eating disorders in women: A population cohort study. International Journal of Eating Disorders. ISSN 0276-3478. 52(6), s. 643–651. doi: 10.1002/eat.23073.
• Kendler, Kenneth S.; Aggen, Steven H.; Gillespie, Nathan; Czajkowski, Nikolai Olavi; Ystrøm, Eivind & Reichborn-Kjennerud, Ted (2019). A twin study of cigarette and snus initiation and quantity of use in Norwegian Adult Twins. Twin Research and Human Genetics. ISSN 1832-4274. 22(2), s. 108–113. doi: 10.1017/thg.2019.9. Fulltekst i vitenarkiv
• Leppert, Beate; Havdahl, Alexandra; Riglin, Lucy; Jones, Hannah J.; Zheng, Jie & Davey Smith, George [Vis alle 10 forfattere av denne artikkelen] (2019). Association of maternal neurodevelopmental risk alleles with early-life exposures. JAMA psychiatry. ISSN 2168-6238. 76(8), s. 834–842. doi: 10.1001/jamapsychiatry.2019.0774. Fulltekst i vitenarkiv
• Suren, Pål; Havdahl, Alexandra; Bresnahan, Michaeline; Hirtz, Deborah; Hornig, Mady & Lord, Catherine [Vis alle 13 forfattere av denne artikkelen] (2019). Sensitivity and specificity of early screening for autism. BJPsych Open. ISSN 2056-4724. 5(3). doi: 10.1192/bjo.2019.34. Fulltekst i vitenarkiv
• Heiberg, Ina Heidi; Jacobsen, Bjarne K.; Balteskard, Lise; Bramness, Jørgen Gustav; Næss, Øyvind & Ystrøm, Eivind [Vis alle 10 forfattere av denne artikkelen] (2019). Undiagnosed cardiovascular disease prior to cardiovascular death in individuals with severe mental illness. Acta Psychiatrica Scandinavica. ISSN 0001-690X. 139(6), s. 558–571. doi: 10.1111/acps.13017. Fulltekst i vitenarkiv
• Torvik, Fartein Ask; Rosenström, Tom Henrik; Gustavson, Kristin; Ystrøm, Eivind; Kendler, Kenneth S. & Bramness, Jørgen Gustav [Vis alle 8 forfattere av denne artikkelen] (2019). Explaining the association between anxiety disorders and alcohol use disorder: A twin study. Depression and Anxiety. ISSN 1091-4269. 36(6), s. 522–532. doi: 10.1002/da.22886. Fulltekst i vitenarkiv
• Kendler, Kenneth S.; Aggen, Steven H.; Gillespie, Nathan; Krueger, Robert F.; Czajkowski, Nikolai Olavi & Ystrøm, Eivind [Vis alle 7 forfattere av denne artikkelen] (2019). The structure of genetic and environmental influences on normative personality, abnormal personality traits, and personality disorder symptoms. Psychological Medicine. ISSN 0033-2917. 49(8), s. 1392–1399. doi: 10.1017/S0033291719000047. Fulltekst i vitenarkiv
• Hysing, Mari; Reichborn-Kjennerud, Ted; Markestad, Trond; Elgen, Irene Bircow & Sivertsen, Børge (2019). Sleep Duration and Nocturnal Awakenings in Infants Born with Gestational Risk. Journal of Developmental and Behavioral Pediatrics. ISSN 0196-206X. 40(3), s. 192–199. doi: 10.1097/DBP.0000000000000642. Fulltekst i vitenarkiv
• Lund, Ingunn Olea; Eilertsen, Espen Moen; Gjerde, Line C.; Røysamb, Espen; Wood, Mollie & Reichborn-Kjennerud, Ted [Vis alle 7 forfattere av denne artikkelen] (2019). Is the association between maternal alcohol consumption in pregnancy and pre-school child behavioural and emotional problems causal? Multiple approaches for controlling unmeasured confounding. Addiction. ISSN 0965-2140. 114(6), s. 1004–1014. doi: 10.1111/add.14573. Fulltekst i vitenarkiv
• Rosenström, Tom Henrik; Czajkowski, Nikolai Olavi; Ystrøm, Eivind; Krueger, Robert F; Aggen, Steven H & Gillespie, Nathan A [Vis alle 9 forfattere av denne artikkelen] (2019). Genetically Informative Mediation Modeling Applied to Stressors and Personality-Disorder Traits in Etiology of Alcohol Use Disorder. Behavior Genetics. ISSN 0001-8244. 49(1), s. 11–23. doi: 10.1007/s10519-018-9941-z. Fulltekst i vitenarkiv
• Ørbeck, Beate; Øvergaard, Kristin Romvig; Pripp, Are Hugo; Aase, Heidi; Reichborn-Kjennerud, Ted & Zeiner, Pål (2019). Adult ADHD Symptoms and Satisfaction With Life: Does Age and Sex Matter? Journal of Attention Disorders. ISSN 1087-0547. 23(1), s. 3–11. doi: 10.1177/1087054715612257. Fulltekst i vitenarkiv Vis sammendrag

  Objective:To investigate adult ADHD symptoms and satisfaction with life, with a focus on age and sex differences. Method: This study is based on parents in the Norwegian Mother and Child Cohort Study (MoBa). The Adult Self- Report Scale (ASRS-6) and Satisfaction With Life Scale (SWLS) scores were analyzed from 33,210 men and 41,983 women from young to middle adulthood. Results: Mean ASRS total score was significantly higher in men, where 5.1% scored above cutoff, compared with 2.9% in women. Factor loadings supported the two ASRS subscales: Inattention (Inatt) and Hyperactivity-Impulsivity (HyImp) in both sexes. A significant decline with age was found on HyImp, whereas Inatt scores were reasonably stable in men and u-curved in women. High ASRS scores were associated with lower SWLS, but poor satisfaction with life was found only in high-scoring women. Conclusion: Our findings suggest caution to age and sex when using the ASRS-6.

• Reichborn-Kjennerud, Ted & Kendler, Kenneth S. (2018). Genetics of Personality Disorders. I Schmahl, Christian; Phan, K. Luan & Friedel, Robert O. (Red.), Neurobiology of personality disorders. Oxford University Press. ISSN 9780199362318. s. 57–74.
• Czajkowski, Nikolai Olavi; Aggen, Steven H.; Krueger, Robert F; Kendler, Kenneth S.; Neale, Michael C. & Knudsen, Gun Peggy [Vis alle 10 forfattere av denne artikkelen] (2018). A Twin Study of Normative Personality and DSM-IV Personality Disorder Criterion Counts: Evidence for Separate Genetic Influences. American Journal of Psychiatry. ISSN 0002-953X. 175(7), s. 649–656. doi: 10.1176/appi.ajp.2017.17050493.
• Gjerde, Line C.; Eilertsen, Espen Moen; Eley, Thalia C.; McAdams, Tom A.; Reichborn-Kjennerud, Ted & Røysamb, Espen [Vis alle 7 forfattere av denne artikkelen] (2018). Maternal Perinatal and Concurrent Anxiety and Mental Health Problems in Early Childhood: A Sibling‐Comparison Study. Child Development. ISSN 0009-3920. doi: 10.1111/cdev.13192. Fulltekst i vitenarkiv
• Suren, Pål; Thorstensen, Anne Gjertrud; Tørstad, Marit; Emhjellen, Petter Espeseth; Furu, Kari & Biele, Guido [Vis alle 11 forfattere av denne artikkelen] (2018). Diagnostikk av hyperkinetisk forstyrrelse hos barn i Norge. Tidsskrift for Den norske legeforening. ISSN 0029-2001. doi: 10.4045/tidsskr.18.0418. Fulltekst i vitenarkiv

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• Barkhuizen, Wikus; Pingault, Jean-Baptiste; Wang, Biyao; Hannigan, Laurie John; Eilertsen, Espen Moen & Andreassen, Ole [Vis alle 14 forfattere av denne artikkelen] (2021). Direct and indirect genetic influences involved in the intergenerational transmission of risk for ADHD in the Norwegian Mother, Father and Child Cohort. Behavior Genetics. ISSN 0001-8244. 51(6), s. 692–691.
• Hannigan, Laurie John; Corfield, Elizabeth; Biele, Guido; Tilling, Kate; McAdams, Tom A. & Badini, Isabella [Vis alle 19 forfattere av denne artikkelen] (2021). The genomic basis of participation in the Norwegian Mother, Father and Child Cohort Study.
• Skogheim, Thea Steen; Weyde, Kjell Vegard Fjeldheim; Engel, Stephanie M.; Aase, Heidi; Suren, Pål & Øie, Merete Glenne [Vis alle 12 forfattere av denne artikkelen] (2021). Risk of attention-deficit/hyperactivity disorder and autism spectrum disorder in children associated with gestational levels of toxic metals and essential elements.
• Wootton, Robyn; Dack, Kyle; Borges, Carolina; Pagoni, Panagiota; Riglin, Lucy & Andreassen, Ole [Vis alle 12 forfattere av denne artikkelen] (2021). Nutritional biomarkers in pregnancy and neurodevelopmental outcomes in offspring: A Mendelian Randomization study in the Norwegian Mother, Father and Child Cohort Study (MoBa).
• Barkhuizen, Wikus; Pingault, Jean-Baptiste; Wang, Biyao; Hannigan, Laurie John; Eilertsen, Espen Moen & Andreassen, Ole [Vis alle 14 forfattere av denne artikkelen] (2021). Direct and indirect genetic influences involved in the intergenerational transmission of risk for ADHD in the Norwegian Mother, Father and Child Cohort.
• Hughes, Amanda; Morris, Tim; Ayorech, Ziada; Tesli, Martin Steen; Ask, Helga & Askeland, Ragna Bugge [Vis alle 16 forfattere av denne artikkelen] (2021). The causal effect of BMI on neurodevelopment: a within family Mendelian randomization study using MoBa. International Journal of Epidemiology. ISSN 0300-5771. 50(Suppl 1). doi: 10.1093/ije/dyab168.296. Fulltekst i vitenarkiv
• Høye, Anne; Jacobsen, Bjarne K.; Bramness, Jørgen Gustav; Nesvåg, Ragnar; Reichborn-Kjennerud, Ted & Heiberg, Ina Heidi (2021). Correction to: Total and cause-specific mortality in patients with personality disorders: the association between comorbid severe mental illness and substance use disorders. Social Psychiatry and Psychiatric Epidemiology. ISSN 0933-7954. doi: 10.1007/s00127-021-02124-7.
• Lennox, Ziada Ayorech; Davies, Neil; Hannigan, Laurie John; Askeland, Ragna Bugge; Tesli, Martin Steen & Andreassen, Ole Andreas [Vis alle 14 forfattere av denne artikkelen] (2020). Which Metabo-Psychiatric Factors Affect the Risk of Anorexia Nervosa? A Mendelian Randomization Study.
• Askeland, Ragna Bugge; Hannigan, Laurie John; Ask, Helga; Lennox, Ziada Ayorech; Tesli, Martin Steen & Corfield, Elizabeth [Vis alle 9 forfattere av denne artikkelen] (2020). Genetic risk factors for neurodevelopmental disorders.
• Skogheim, Thea Steen; Weyde, Kjell Vegard Fjeldheim; Aase, Heidi; Engel, Stephanie M.; Suren, Pål & Øie, Merete Glenne [Vis alle 9 forfattere av denne artikkelen] (2020). Prenatal exposure to metals and associations with ADHD and ASD in children .
• Gustavson, Kristin; Torvik, Fartein Ask; Gjerde, Line C.; Ask, Helga; McAdams, Tom & Reichborn-Kjennerud, Ted [Vis alle 8 forfattere av denne artikkelen] (2019). Genetic and environmental contributions to comorbidity between ADHD and emotional problems in school aged children. Behavior Genetics. ISSN 0001-8244. 49(6), s. 544–544. doi: 10.1007/s10519-019-09973-8.
• Gustavson, Kristin; Torvik, Fartein Ask; Gjerde, Line C.; Ask, Helga; McAdams, Tom & Reichborn-Kjennerud, Ted [Vis alle 8 forfattere av denne artikkelen] (2019). Genetic and environmental contributions to comorbidity between ADHD and emotional problems in school aged children.
• Ask, Helga; Eilertsen, Espen Moen; Gjerde, Line C.; Gustavson, Kristin; Hannigan, Laurie John & Havdahl, Alexandra [Vis alle 11 forfattere av denne artikkelen] (2019). Intergenerational transmission of parental neuroticism to offspring neuroticism, depression, and anxiety . Behavior Genetics. ISSN 0001-8244. 49(6), s. 548–548. doi: 10.1007/s10519-019-09973-8.
• Gjerde, Line C.; Eilertsen, Espen Moen; Hannigan, Laurie; Eley, T.C.; Røysamb, Espen & Reichborn-Kjennerud, Ted [Vis alle 9 forfattere av denne artikkelen] (2019). To what extent can passive genetic transmission account for associations between maternal depressive symptoms and child early life psychopathology symptoms? Behavior Genetics. ISSN 0001-8244. 49(6), s. 520–520. doi: 10.1007/s10519-019-09973-8.
• Lupattelli, Angela; Mahic, Milada; Handal, Marte; Ystrøm, Eivind; Reichborn-Kjennerud, Ted & Nordeng, Hedvig Marie Egeland (2019). Risk of attention deficit hyperactivity disorder in childhood after exposure to serotonergic antidepressants in pregnancy. Pharmacoepidemiology and Drug Safety. ISSN 1053-8569.
• Seglem, Karoline Brobakke; Torvik, Fartein Ask; Røysamb, Espen; Gjerde, Line C.; Magnus, Per & Reichborn-Kjennerud, Ted [Vis alle 9 forfattere av denne artikkelen] (2019). Education, lifestyle and life course differences in Level of work incapacity - genes and environment.
• Skurtveit, Svetlana; Kiselev, Yury; Handal, Marte; Stoltenberg, Camilla; Reichborn-Kjennerud, Ted & Suren, Pål [Vis alle 8 forfattere av denne artikkelen] (2019). Co-Occurring Neuropsychiatric Diagnoses and Use of Psychotropic Drugs in Children with Autism Spectrum Disorder. Pharmacoepidemiology and Drug Safety. ISSN 1053-8569. doi: 10.10002/pds.4864.
• Gjerde, Line C.; Eilertsen, Espen Moen; Hannigan, Laurie; Eley, T.C.; Røysamb, Espen & Reichborn-Kjennerud, Ted [Vis alle 9 forfattere av denne artikkelen] (2019). To what extent can passive genetic transmission account for associations between maternal depressive symptoms and child early life psychopathology symptoms?
• Tesli, Martin Steen; Corfield, Elizabeth; Zayats, Tetyana; Ask, Helga; Askeland, Ragna Bugge & Hannigan, Laurie [Vis alle 10 forfattere av denne artikkelen] (2019). Investigation of shared genetic risk between cardiometabolic morbidity and ADHD in a Norwegian family cohort using polygenic transmission disequilibrium test.
• Hannigan, Laurie; Askeland, Ragna Bugge; Ask, Helga; Tesli, Martin Steen; Corfield, Elizabeth & Mcadams, Tom [Vis alle 10 forfattere av denne artikkelen] (2019). Perinatal maternal stress and early-life behavioural and emotional problems: examining the role of genetically-influenced environmental sensitivity in mothers and offspring.
• Gustavson, Kristin; Torvik, Fartein Ask; Gjerde, Line C.; Ask, Helga; McAdams, Tom A. & Hannigan, Laurie [Vis alle 9 forfattere av denne artikkelen] (2019). Genetic and environmental contributions to comorbidity between ADHD and emotional problems in school aged children.
• Ask, Helga; Hannigan, Laurie; Davies, Neil; Gustavson, Kristin; Biele, Guido & Richardson, Thomas [Vis alle 15 forfattere av denne artikkelen] (2019). Exploring the Associations Between Health-Related Polygenic Scores and Participation in the Norwegian Mother and Child Pregnancy Cohort (MoBa).
• Ask, Helga; Eilertsen, Espen Moen; Gjerde, Line C.; Gustavson, Kristin; Hannigan, Laurie John & Havdahl, Alexandra [Vis alle 11 forfattere av denne artikkelen] (2019). Intergenerational transmission of parental neuroticism to offspring neuroticism, depression, and anxiety .
• Corfield, Elizabeth; Smajlagic, Dinka; Connoly, Siobhan; Hakonarsen, Hakon; Waldman, Irwin & Elia, Josephine [Vis alle 11 forfattere av denne artikkelen] (2019). Parent-of-origin and maternal effects in attention deficit hyperactivity disorder.
• Askeland, Ragna Bugge; Hannigan, Laurie John; Ask, Helga; Tesli, Martin Steen; Corfield, Elizabeth & Andreassen, Ole Andreas [Vis alle 9 forfattere av denne artikkelen] (2019). Early manifestations of genetic risk for neurodevelopmental disorders.
• Askeland, Ragna Bugge; Reichborn-Kjennerud, Ted; Hannigan, Laurie John; Ask, Helga; Tesli, Martin Steen & Corfield, Elizabeth [Vis alle 7 forfattere av denne artikkelen] (2019). Early manifestation of genetic risk for attention deficit/hyperactivity disorder in Norwegian children.
• Havdahl, Alexandra; Laurie, Hannigan; Askeland, Ragna Bugge; Ask, Helga; Tesli, Martin Steen & Corfield, Elizabeth [Vis alle 10 forfattere av denne artikkelen] (2019). Polygenic Risk for ADHD and Exposures During Pregnancy in the Norwegian Mother and Child Cohort Study (MoBa).
• McAdams, Tom A.; Hannigan, Laurie John; Eilertsen, Espen Moen; Gjerde, Line C.; Reichborn-Kjennerud, Ted & Eley, Thalia C. [Vis alle 8 forfattere av denne artikkelen] (2019). Is it time to reevaluate prenatal mental health? – Author's reply. The Lancet Psychiatry. ISSN 2215-0374. 6(2), s. 93–94. doi: 10.1016/S2215-0366%2819%2930004-5.
• Ystrøm, Eivind; Eilertsen, Espen Moen; Gjerde, Line C.; Rijsdijk, Fruhling; Gustavson, Kristin & Ask, Helga [Vis alle 8 forfattere av denne artikkelen] (2018). Assortative mating and intergenerational transmission of ADHD. Behavior Genetics. ISSN 0001-8244. 48(6), s. 524–524.
• Gjerde, Line C.; Eilertsen, Espen Moen; Rosenström, Tom Henrik; Reichborn-Kjennerud, Ted; McAdams, Tom A. & Eley, T.C. [Vis alle 7 forfattere av denne artikkelen] (2018). The genetic and environmental structure of psychopathology spectra in middle childhood. Behavior Genetics. ISSN 0001-8244. s. 473–474.
• Eilertsen, Espen Moen; Hannigan, Laurie John; McAdams, Tom A.; Rijsdijk, Fruhling; Czajkowski, Nikolai Olavi & Reichborn-Kjennerud, Ted [Vis alle 8 forfattere av denne artikkelen] (2018). Parental prenatal depression and offspring ADHD: a genetically informed intergenerational study. Behavior Genetics. ISSN 0001-8244. s. 469–469.
• Huckins, Laura Marianne; Hatzikotoulas, Konstantinos; Southam, Lorraine; Thornton, Laura M.; Steinberg, Julia & Aguilera, Fernando Riveros McKay [Vis alle 55 forfattere av denne artikkelen] (2018). Correction to: Investigation of common, low-frequency and rare genome-wide variation in anorexia nervosa (Molecular Psychiatry, (2018), 23, 5, (1169-1180), 10.1038/mp.2017.88). Molecular Psychiatry. ISSN 1359-4184. 23(9). doi: 10.1038/mp.2017.202.
• Askeland, Ragna Bugge; Hannigan, Laurie John; Ask, Helga; Ayorech, Ziada; Tesli, Martin Steen & Corfield, Elizabeth [Vis alle 12 forfattere av denne artikkelen] (2020). Early manifestations of genetic risk for neurodevelopmental disorders. PsyArXiv (Preprint artikkel).
• Hannigan, Laurie John; Askeland, Ragna Bugge; Ask, Helga; Tesli, Martin Steen; Corfield, Elizabeth & Ayorech, Ziada [Vis alle 14 forfattere av denne artikkelen] (2020). Developmental milestones in early childhood and genetic liability to neurodevelopmental disorders. PsyArXiv (Preprint artikkel).

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