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Gestational thyroid hormone concentrations and risk of attention‐deficit hyperactivity disorder in the Norwegian Mother, Father and Child Cohort Study.
Published in:
Paediatric & Perinatal Epidemiology, 2023, v. 37, n. 3, p. 218, doi. 10.1111/ppe.12941
By:
- Engel, Stephanie M.;
- Villanger, Gro D.;
- Herring, Amy;
- Nethery, Rachel C.;
- Drover, Samantha S. M.;
- Zoeller, R. Thomas;
- Meltzer, Helle M.;
- Zeiner, Pal;
- Knudsen, Gun Peggy;
- Reichborn‐Kjennerud, Ted;
- Longnecker, Matthew P.;
- Aase, Heidi
Publication type:
Article
Genetic and Environmental Contributions to the Association Between Cannabis Use and Psychotic-Like Experiences in Young Adult Twins.
Published in:
Schizophrenia Bulletin, 2017, v. 43, n. 3, p. 644, doi. 10.1093/schbul/sbw101
By:
- Nesvåg, Ragnar;
- Reichborn-Kjennerud, Ted;
- Gillespie, Nathan A.;
- Knudsen, Gun Peggy;
- Bramness, Jørgen G.;
- Kendler, Kenneth S.;
- Ystrom, Eivind
Publication type:
Article
Healthy minds 0–100 years: Optimising the use of European brain imaging cohorts (“Lifebrain”).
Published in:
European Psychiatry, 2018, v. 50, p. 47, doi. 10.1016/j.eurpsy.2017.12.006
By:
- Walhovd, Kristine B.;
- Fjell, Anders M.;
- Westerhausen, René;
- Nyberg, Lars;
- Ebmeier, Klaus P.;
- Lindenberger, Ulman;
- Bartrés-Faz, David;
- Baaré, William F.C.;
- Siebner, Hartwig R.;
- Henson, Richard;
- Drevon, Christian A.;
- Strømstad Knudsen, Gun Peggy;
- Ljøsne, Isabelle Budin;
- Penninx, Brenda W.J.H.;
- Ghisletta, Paolo;
- Rogeberg, Ole;
- Tyler, Lorraine;
- Bertram, Lars
Publication type:
Article
Structure of Genetic and Environmental Risk Factors for Symptoms of DSM-IV Borderline Personality Disorder.
Published in:
JAMA Psychiatry, 2013, v. 70, n. 11, p. 1206, doi. 10.1001/jamapsychiatry.2013.1944
By:
- Reichborn-Kjennerud, Ted;
- Ystrom, Eivind;
- Neale, Michael C.;
- Aggen, Steven H.;
- Mazzeo, Suzanne E.;
- Knudsen, Gun Peggy;
- Tambs, Kristian;
- Czajkowski, Nikolai O.;
- Kendler, Kenneth S.
Publication type:
Article
Sex Differences in Genetic and Environmental Influences on Educational Attainment and Income.
Published in:
Twin Research & Human Genetics, 2014, v. 17, n. 6, p. 516, doi. 10.1017/thg.2014.68
By:
- Ørstavik, Ragnhild E.;
- Czajkowski, Nikolai;
- Røysamb, Espen;
- Knudsen, Gun Peggy;
- Tambs, Kristian;
- Reichborn-Kjennerud, Ted
Publication type:
Article
Personality Disorders and Long-Term Sick Leave: A Population-Based Study of Young Adult Norwegian Twins.
Published in:
Twin Research & Human Genetics, 2014, v. 17, n. 1, p. 1, doi. 10.1017/thg.2013.90
By:
- Gjerde, Line C.;
- Røysamb, Espen;
- Czajkowski, Nikolai;
- Knudsen, Gun Peggy;
- Østby, Kristian;
- Tambs, Kristian;
- Kendler, Kenneth S.;
- Reichborn-Kjennerud, Ted;
- Ørstavik, Ragnhild E.
Publication type:
Article
Genetic and Environmental Contributions to Long-Term Sick Leave and Disability Pension: A Population-Based Study of Young Adult Norwegian Twins.
Published in:
Twin Research & Human Genetics, 2013, v. 16, n. 4, p. 759, doi. 10.1017/thg.2013.36
By:
- Gjerde, Line C.;
- Knudsen, Gun Peggy;
- Czajkowski, Nikolai;
- Gillespie, Nathan;
- Aggen, Steven H.;
- Røysamb, Espen;
- Reichborn-Kjennerud, Ted;
- Tambs, Kristian;
- Kendler, Kenneth S.;
- Ørstavik, Ragnhild E.
Publication type:
Article
The Norwegian Twin Registry from a Public Health Perspective: A Research Update.
Published in:
Twin Research & Human Genetics, 2013, v. 16, n. 1, p. 285, doi. 10.1017/thg.2012.117
By:
- Nilsen, Thomas S.;
- Knudsen, Gun Peggy;
- Gervin, Kristina;
- Brandt, Ingunn;
- Røysamb, Espen;
- Tambs, Kristian;
- Ørstavik, Ragnhild;
- Lyle, Robert;
- Reichborn-Kjennerud, Ted;
- Magnus, Per;
- Harris, Jennifer R.
Publication type:
Article
A Population-Based Study of Familial and Individual-Specific Environmental Contributions to Traumatic Event Exposure and Posttraumatic Stress Disorder Symptoms in a Norwegian Twin Sample.
Published in:
Twin Research & Human Genetics, 2012, v. 15, n. 5, p. 656, doi. 10.1017/thg.2012.43
By:
- Amstadter, Ananda B.;
- Aggen, Steven H.;
- Knudsen, Gun Peggy;
- Reichborn-Kjennerud, Ted;
- Kendler, Kenneth S.
Publication type:
Article
Pre-pregnancy mental distress and musculoskeletal pain and sickness absence during pregnancy -- a twin cohort study.
Published in:
European Journal of Public Health, 2017, v. 27, n. 3, p. 477, doi. 10.1093/eurpub/ckw267
By:
- Seglem, Karoline B.;
- Ørstavik, Ragnhild;
- Torvik, Fartein A.;
- Gjerde, Line C.;
- Røysamb, Espen;
- Reichborn-Kjennerud, Ted;
- Knudsen, Gun Peggy;
- Tambs, Kristian
Publication type:
Article
Comparison of blood RNA isolation methods from samples stabilized in Tempus tubes and stored at a large human biobank.
Published in:
BMC Research Notes, 2016, v. 9, p. 1, doi. 10.1186/s13104-016-2224-y
By:
- Aarem, Jeanette;
- Brunborg, Gunnar;
- Aas, Kaja K.;
- Harbak, Kari;
- Taipale, Miia M.;
- Magnus, Per;
- Peggy Knudsen, Gun;
- Duale, Nur
Publication type:
Article
Genome-Wide Analysis of Attention Deficit Hyperactivity Disorder in Norway.
Published in:
PLoS ONE, 2015, v. 10, n. 4, p. 1, doi. 10.1371/journal.pone.0122501
By:
- Zayats, Tetyana;
- Athanasiu, Lavinia;
- Sonderby, Ida;
- Djurovic, Srdjan;
- Westlye, Lars T.;
- Tamnes, Christian K.;
- Fladby, Tormod;
- Aase, Heidi;
- Zeiner, Pål;
- Reichborn-Kjennerud, Ted;
- Knappskog, Per M.;
- Knudsen, Gun Peggy;
- Andreassen, Ole A.;
- Johansson, Stefan;
- Haavik, Jan
Publication type:
Article
High Frequency of Skewed X-Chromosome Inactivation in Females with Autoimmune Thyroid Disease: A Possible Explanation for the Female Predisposition to Thyroid Autoimmunity.
Published in:
Journal of Clinical Endocrinology & Metabolism, 2005, v. 90, n. 11, p. 5949, doi. 10.1210/jc.2005-1366
By:
- Brix, Thomas Heiberg;
- Knudsen, Gun Peggy S.;
- Kristiansen, Marianne;
- Kyvik, Kirsten Ohm;
- Ørstavik, Karen Helene;
- Hegedüs, Laszlo
Publication type:
Article
Interaction of Apolipoprotein E Genotypes, Lifestyle Factors and Future Risk of Dementia-Related Mortality: The Cohort of Norway (CONOR).
Published in:
Dementia & Geriatric Cognitive Disorders, 2015, v. 40, n. 3/4, p. 137, doi. 10.1159/000431218
By:
- Strand, Bjørn Heine;
- Rosness, Tor atle;
- Engedal, Knut;
- Magnus, Per;
- Bergem, astrid Liv Mina;
- Schirmer, Henrik;
- Bjertness, Espen;
- Knudsen, Gun Peggy
Publication type:
Article
Genome-wide association study reveals dynamic role of genetic variation in infant and early childhood growth.
Published in:
Nature Communications, 2019, v. 10, n. 1, p. N.PAG, doi. 10.1038/s41467-019-12308-0
By:
- Helgeland, Øyvind;
- Vaudel, Marc;
- Juliusson, Petur B.;
- Lingaas Holmen, Oddgeir;
- Juodakis, Julius;
- Bacelis, Jonas;
- Jacobsson, Bo;
- Lindekleiv, Haakon;
- Hveem, Kristian;
- Lie, Rolv Terje;
- Knudsen, Gun Peggy;
- Stoltenberg, Camilla;
- Magnus, Per;
- Sagen, Jørn V.;
- Molven, Anders;
- Johansson, Stefan;
- Njølstad, Pål Rasmus
Publication type:
Article
Increased skewing of X chromosome inactivation in Rett syndrome patients and their mothers.
Published in:
European Journal of Human Genetics, 2006, v. 14, n. 11, p. 1189, doi. 10.1038/sj.ejhg.5201682
By:
- Knudsen, Gun Peggy S.;
- Neilson, Tracey C. S.;
- Pedersen, June;
- Kerr, Alison;
- Schwartz, Marianne;
- Hulten, Maj;
- Bailey, Mark E. S.;
- Ørstavik, Karen Helene
Publication type:
Article
Situs ambiguus in a female fetus with balanced (X;21) translocation-evidence for functional nullisomy of the ZIC3 gene?
Published in:
European Journal of Human Genetics, 2005, v. 13, n. 1, p. 34, doi. 10.1038/sj.ejhg.5201213
By:
- Fritz, Barbara;
- Kunz, Jürgen;
- Knudsen, Gun Peggy Strømstad;
- Louwen, Frank;
- Kennerknecht, Ingo;
- Eiben, Bernd;
- Orstavik, Karen Helene;
- Friedrich, Ursula;
- Rehder, Helga
Publication type:
Article
Prenatal Phthalates, Maternal Thyroid Function, and Risk of Attention-Deficit Hyperactivity Disorder in the Norwegian Mother and Child Cohort.
Published in:
Environmental Health Perspectives, 2018, v. 126, n. 5, p. 1, doi. 10.1289/EHP2358
By:
- Engel, Stephanie M.;
- Villanger, Gro D.;
- Nethery, Rachel C.;
- Thomsen, Cathrine;
- Sakhi, Amrit K.;
- Drover, Samantha S. M.;
- Hoppin, Jane A.;
- Zeiner, Pal;
- Knudsen, Gun Peggy;
- Reichborn-Kjennerud, Ted;
- Herring, Amy H.;
- Aase, Heidi
Publication type:
Article
Prenatal and perinatal risk factors for eating disorders in women: A population cohort study.
Published in:
International Journal of Eating Disorders, 2019, v. 52, n. 6, p. 643, doi. 10.1002/eat.23073
By:
- Watson, Hunna J.;
- Diemer, Elizabeth W.;
- Zerwas, Stephanie;
- Gustavson, Kristin;
- Knudsen, Gun Peggy;
- Torgersen, Leila;
- Reichborn‐Kjennerud, Ted;
- Bulik, Cynthia M.
Publication type:
Article
Attention-deficit hyperactivity disorder shares copy number variant risk with schizophrenia and autism spectrum disorder.
Published in:
Translational Psychiatry, 2019, v. 9, n. 1, p. N.PAG, doi. 10.1038/s41398-019-0599-y
By:
- Gudmundsson, Olafur O.;
- Walters, G. Bragi;
- Ingason, Andres;
- Johansson, Stefan;
- Zayats, Tetyana;
- Athanasiu, Lavinia;
- Sonderby, Ida Elken;
- Gustafsson, Omar;
- Nawaz, Muhammad S.;
- Jonsson, Gudbjorn F.;
- Jonsson, Lina;
- Knappskog, Per-Morten;
- Ingvarsdottir, Ester;
- Davidsdottir, Katrin;
- Djurovic, Srdjan;
- Knudsen, Gun Peggy Strømstad;
- Askeland, Ragna Bugge;
- Haraldsdottir, Gyda S.;
- Baldursson, Gisli;
- Magnusson, Pall
Publication type:
Article
Trans‐ethnic polygenic risk scores for body mass index: An international hundred K+ cohorts consortium study.
Published in:
Clinical & Translational Medicine, 2023, v. 13, n. 6, p. 1, doi. 10.1002/ctm2.1291
By:
- Qu, Hui‐Qi;
- Connolly, John J;
- Kraft, Peter;
- Long, Jirong;
- Pereira, Alexandre;
- Flatley, Christopher;
- Turman, Constance;
- Prins, Bram;
- Mentch, Frank;
- Lotufo, Paulo A;
- Magnus, Per;
- Stampfer, Meir J;
- Tamimi, Rulla;
- Eliassen, A Heather;
- Zheng, Wei;
- Knudsen, Gun Peggy Stromstad;
- Helgeland, Oyvind;
- Butterworth, Adam S.;
- Hakonarson, Hakon;
- Sleiman, Patrick M.
Publication type:
Article
Advantages of linking national registries with twin registries for epidemiological research.
Published in:
Norsk Epidemiologi, 2016, v. 26, n. 1/2, p. 83, doi. 10.5324/nje.v26i1-2.2020
By:
- Gjerde, Line C.;
- Torvik, Fartein Ask;
- Østby, Kristian Amundsen;
- Knudsen, Gun Peggy;
- Czajkowski, Nikolai;
- Reichborn-Kjennerud, Ted;
- Ørstavik, Ragnhild E.
Publication type:
Article
Musculoskeletal pain and work absence - a 10 year follow-up study of Norwegian young adult twins.
Published in:
Norsk Epidemiologi, 2016, v. 26, n. 1/2, p. 69, doi. 10.5324/nje.v26i1-2.2018
By:
- Ørstavik, Ragnhild E.;
- Knudsen, Gun Peggy;
- Tambs, Kristian;
- Gjerde, Line C.;
- Torvik, Fartein Ask;
- Nielsen, Christopher;
- Røysamb, Espen;
- Reichborn-Kjennerud, Ted
Publication type:
Article
The Norwegian Twin Registry.
Published in:
Norsk Epidemiologi, 2016, v. 26, n. 1/2, p. 19, doi. 10.5324/nje.v26i1-2.2012
By:
- Nilsen, Thomas S.;
- Brandt, Ingunn;
- Czajkowski, Nikolai;
- Knudsen, Gun Peggy;
- Magnus, Per;
- Reichborn-Kjennerud, Ted;
- Tambs, Kristian;
- Harris, Jennifer R.;
- Ørstavik, Ragnhild
Publication type:
Article
The biobank of the Norwegian Mother and Child Cohort Study -- present status.
Published in:
Norsk Epidemiologi, 2014, v. 24, n. 1/2, p. 29, doi. 10.5324/nje.v24i1-2.1755
By:
- Paltiel, Liv;
- Haugan, Anita;
- Skjerden, Trine;
- Harbak, Kari;
- Bækken, Siri;
- Stensrud, Nina Kristin;
- Knudsen, Gun Peggy;
- Magnus, Per
Publication type:
Article
Does low alcohol use increase the risk of sickness absence? A discordant twin study.
Published in:
2016
By:
- Østby, Kristian Amundsen;
- Czajkowski, Nikolai;
- Knudsen, Gun Peggy;
- Ystrøm, Eivind;
- Gjerde, Line C.;
- Kendler, Kenneth S.;
- Ørstavik, Ragnhild E.;
- Reichborn-Kjennerud, Ted
Publication type:
journal article
Mood, anxiety, and alcohol use disorders and later cause-specific sick leave in young adult employees.
Published in:
2016
By:
- Torvik, Fartein Ask;
- Reichborn-Kjennerud, Ted;
- Gjerde, Line C.;
- Knudsen, Gun Peggy;
- Ystrom, Eivind;
- Tambs, Kristian;
- Røysamb, Espen;
- Østby, Kristian;
- Ørstavik, Ragnhild
Publication type:
journal article
Alcohol Consumption, HDL-Cholesterol and Incidence of Colon and Rectal Cancer: A Prospective Cohort Study Including 250,010 Participants.
Published in:
Alcohol & Alcoholism, 2021, v. 56, n. 6, p. 718, doi. 10.1093/alcalc/agab007
By:
- Tverdal, Aage;
- Høiseth, Gudrun;
- Magnus, Per;
- Næss, Øyvind;
- Selmer, Randi;
- Knudsen, Gun Peggy;
- Mørland, Jørg
Publication type:
Article
The Norwegian Patient Registry and the Norwegian Registry for Primary Health Care: Research potential of two nationwide health-care registries.
Published in:
Scandinavian Journal of Public Health, 2020, v. 48, n. 1, p. 49, doi. 10.1177/1403494819859737
By:
- Bakken, Inger Johanne;
- Ariansen, Anja M. S.;
- Knudsen, Gun Peggy;
- Johansen, Knut Ivar;
- Vollset, Stein Emil
Publication type:
Article
Associations between personality disorders and cannabis use and cannabis use disorder: a population‐based twin study.
Published in:
Addiction, 2018, v. 113, n. 8, p. 1488, doi. 10.1111/add.14209
By:
- Gillespie, Nathan A.;
- Aggen, Steven H.;
- Neale, Michael C.;
- Knudsen, Gun Peggy;
- Krueger, Robert F.;
- South, Susan C.;
- Czajkowski, Nikolai;
- Nesvåg, Ragnar;
- Ystrom, Eivind;
- Kendler, Kenneth S.;
- Reichborn‐Kjennerud, Ted
Publication type:
Article
The quality of severe mental disorder diagnoses in a national health registry as compared to research diagnoses based on structured interview.
Published in:
BMC Psychiatry, 2017, v. 17, p. 1, doi. 10.1186/s12888-017-1256-8
By:
- Nesvåg, Ragnar;
- Jönsson, Erik G.;
- Bakken, Inger Johanne;
- Knudsen, Gun Peggy;
- Bjella, Thomas D.;
- Reichborn-Kjennerud, Ted;
- Melle, Ingrid;
- Andreassen, Ole A.
Publication type:
Article
Relationships Among Avoidant Personality Disorder, Social Anxiety Disorder, and Normative Personality Traits: A Twin Study.
Published in:
Journal of Personality Disorders, 2019, v. 33, n. 3, p. 289, doi. 10.1521/pedi_2018_32_341
By:
- Welander-Vatn, Audun;
- Torvik, Fartein Ask;
- Czajkowski, Nikolai;
- Kendler, Kenneth S.;
- Reichborn-Kjennerud, Ted;
- Knudsen, Gun Peggy;
- Ystrom, Eivind
Publication type:
Article
No Link Between X Chromosome Inactivation Pattern and Simple Goiter in Females: Evidence from a Twin Study.
Published in:
Thyroid, 2009, v. 19, n. 2, p. 165, doi. 10.1089/thy.2008.0380
By:
- Thomas Heiberg Brix;
- Pia Skov Hansen;
- Gun Peggy S. Knudsen;
- Marianne K. Kringen;
- Kirsten Ohm Kyvik;
- Karen Helene ørstavik;
- Laszlo Hegedüs
Publication type:
Article
De sentrale helseregistrene samles hos én eier.
Published in:
Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2024, v. 144, n. 5, p. 1, doi. 10.4045/tidsskr.24.0102
By:
- RØRTVEIT, GURI;
- KNUDSEN, GUN PEGGY STRØMSTAD
Publication type:
Article
Socioeconomic status and sick leave granted for mental and somatic disorders: a prospective study of young adult twins.
Published in:
BMC Public Health, 2015, v. 15, n. 1, p. 1, doi. 10.1186/s12889-015-1457-3
By:
- Torvik, Fartein Ask;
- Ystrom, Eivind;
- Czajkowski, Nikolai;
- Tambs, Kristian;
- Røysamb, Espen;
- Ørstavik, Ragnhild;
- Knudsen, Gun Peggy;
- Kendler, Kenneth S.
Publication type:
Article
Maternal alcohol use during pregnancy and offspring attention-deficit hyperactivity disorder (ADHD): a prospective sibling control study.
Published in:
2017
By:
- Eilertsen, Espen Moen;
- Gjerde, Line C.;
- Reichborn-Kjennerud, Ted;
- Ørstavik, Ragnhild E.;
- Knudsen, Gun Peggy;
- Stoltenberg, Camilla;
- Czajkowski, Nikolai;
- Røysamb, Espen;
- Kendler, Kenneth S.;
- Ystrom, Eivind
Publication type:
journal article
Cohort Profile Update: The Norwegian Mother and Child Cohort Study (MoBa).
Published in:
2016
By:
- Magnus, Per;
- Birke, Charlotte;
- Vejrup, Kristine;
- Haugan, Anita;
- Alsaker, Elin;
- Daltveit, Anne Kjersti;
- Handal, Marte;
- Haugen, Margaretha;
- Høiseth, Gudrun;
- Knudsen, Gun Peggy;
- Paltiel, Liv;
- Schreuder, Patricia;
- Tambs, Kristian;
- Vold, Line;
- Stoltenberg, Camilla
Publication type:
journal article
Ethical aspects of registry-based research in the Nordic countries.
Published in:
Clinical Epidemiology, 2015, v. 7, p. 491, doi. 10.2147/CLEP.S90589
By:
- Ludvigsson, Jonas F.;
- Håberg, Siri E.;
- Knudsen, Gun Peggy;
- Lafolie, Pierre;
- Zoega, Helga;
- Sarkkola, Catharina;
- von Kraemer, Stephanie;
- Weiderpass, Elisabete;
- Nørgaard, Mette
Publication type:
Article
Prevalence and stability of mental disorders among young adults: findings from a longitudinal study.
Published in:
BMC Psychiatry, 2018, v. 18, p. 1, doi. 10.1186/s12888-018-1647-5
By:
- Gustavson, Kristin;
- Knudsen, Ann Kristin;
- Nesvåg, Ragnar;
- Knudsen, Gun Peggy;
- Vollset, Stein Emil;
- Reichborn-Kjennerud, Ted
Publication type:
Article

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