Found: 72

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  • Personality disorders are important risk factors for disability pensioning.

    Published in:
    Social Psychiatry & Psychiatric Epidemiology, 2014, v. 49, n. 12, p. 2003, doi. 10.1007/s00127-014-0878-0
    By:
    • Østby, Kristian;
    • Czajkowski, Nikolai;
    • Knudsen, Gun;
    • Ystrom, Eivind;
    • Gjerde, Line;
    • Kendler, Kenneth;
    • Ørstavik, Ragnhild;
    • Reichborn-Kjennerud, Ted
    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

  • Genetic and Environmental Contributions to the Co-occurrence of Depressive Personality Disorder and DSM-IV Personality Disorders.

    Published in:
    Journal of Personality Disorders, 2012, v. 26, n. 3, p. 435, doi. 10.1521/pedi.2012.26.3.435
    By:
    • Ørstavik, Ragnhild E.;
    • Kendler, Kenneth S.;
    • Røysamb, Espen;
    • Czajkowski, Nikolai;
    • Tambs, Kristian;
    • Reichborn-Kjennerud, Ted
    Publication type:
    Article

  • Relación entre el trastorno depresivo de la personalidad y el trastorno depresivo mayor: estudio poblacional con gemelos.

    Published in:
    American Journal of Psychiatry - Edición Española, 2008, v. 11, n. 3, p. 177
    By:
    • Ørstavik, Ragnhild E.;
    • Kendler, Kenneth S.;
    • Czajkowski, Nikolai;
    • Tambs, Kristian;
    • Reichborn-Kjennerud, Ted
    Publication type:
    Article

  • Relación entre el trastorno de la personalidad por evitación y la fobia social: estudio poblacional con gemelas.

    Published in:
    American Journal of Psychiatry - Edición Española, 2008, v. 11, n. 2, p. 122
    By:
    • Reichborn-Kjennerud, Ted;
    • Czajkowski, Nikoai;
    • Torgersen, Svenn;
    • Neale, Michael C.;
    • Ørstavik, Ragnhild E.;
    • Tambs, Kristian;
    • 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

  • A Life Course Study of Genetic and Environmental Influences on Work Incapacity.

    Published in:
    2020
    By:
    • Seglem, Karoline B.;
    • Torvik, Fartein A.;
    • Røysamb, Espen;
    • Gjerde, Line C.;
    • Magnus, Per;
    • Reichborn-Kjennerud, Ted;
    • Svedberg, Pia;
    • Ørstavik, Ragnhild
    Publication type:
    journal 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

  • 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

  • Genetic and Environmental Contributions to the Relationship Between Internalizing Disorders and Sick Leave Granted for Mental and Somatic Disorders.

    Published in:
    Twin Research & Human Genetics, 2014, v. 17, n. 4, p. 225, doi. 10.1017/thg.2014.27
    By:
    • Torvik, Fartein A.;
    • Gjerde, Line C.;
    • Røysamb, Espen;
    • Tambs, Kristian;
    • Kendler, Kenneth S.;
    • Czajkowski, Nikolai O.;
    • Knudsen, Gun P.;
    • Reichborn-Kjennerud, Ted;
    • Ørstavik, Ragnhild E.
    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

  • Strong genetic correlation between interview-assessed internalizing disorders and a brief self-report symptom scale.

    Published in:
    2011
    By:
    • Gjerde, Line C;
    • Røysamb, Espen;
    • Czajkowski, Nikolai;
    • Reichborn-Kjennerud, Ted;
    • Ørstavik, Ragnhild E;
    • Kendler, Kenneth S;
    • Tambs, Kristian;
    • Røysamb, Espen;
    • Orstavik, Ragnhild E
    Publication type:
    journal 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

  • Maternal body composition in relation to twinning.

    Published in:
    Norsk Epidemiologi, 2016, v. 26, n. 1/2, p. 77, doi. 10.5324/nje.v26i1-2.2019
    By:
    • Nilsen, Thomas;
    • Magnus, Per;
    • Ørstavik, Ragnhild
    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

  • Social inequalities in reception of social welfare support: A population based twin study.

    Published in:
    Norsk Epidemiologi, 2016, v. 26, n. 1/2, p. 57, doi. 10.5324/nje.v26i1-2.2016
    By:
    • Ystrom, Eivind;
    • Ørstavik, Ragnhild;
    • Reichborn-Kjennerud, Ted;
    • Torvik, Fartein Ask
    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

  • Skrivehjelp.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2024, v. 144, n. 9, p. 677
    By:
    • Ørstavik, Ragnhild
    Publication type:
    Article

  • Texas.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2024, v. 144, n. 3, p. 183
    By:
    • Ørstavik, Ragnhild
    Publication type:
    Article

  • Ord som dreper.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2023, v. 143, n. 18, p. 1541
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Ord som dreper.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2023, v. 40, n. 3, p. 1541
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Menn må også tisse.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2023, v. 143, n. 11, p. 925
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Familiebånd.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2023, v. 143, n. 8, p. 669
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • En tid for håp.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2023, v. 143, n. 5, p. 393
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Tilbake til svovelstikkene?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2023, v. 143, n. 1, p. 7
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Filmfestival.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 17, p. 1437
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Hemodynamisk stabil?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 16, p. 1367
    By:
    • ØRSTAVIK, R.;
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Helpdesk.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 16, p. 1357
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Et opprop for Afrika.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 15, p. 1277
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Lotto.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 14, p. 1197
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Hvorfor gjorde du det?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 13, p. 1115
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Først forske, så innføre?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 12, p. 1039
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Who should write a case report?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 7, p. 1, doi. 10.4045/tidsskr.22.0295
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Hvem skal skrive en kasuistikk?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 7, p. 567
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Inoculation against vaccine hesitancy?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 1, p. 1, doi. 10.4045/tidsskr.22.0002
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Vaksine mot vaksineskepsis?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2022, v. 142, n. 1, p. 5
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Hvem siterer du?

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2021, v. 141, n. 14, p. 1329
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • What the abortion figures say.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2021, v. 141, n. 9, p. 1, doi. 10.4045/tidsskr.21.0436
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Tallenes aborttale.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2021, v. 141, n. 9, p. 809
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Preprint er kommet for å bli.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2021, v. 141, n. 4, p. 313
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • The best of one, but not both worlds.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2021, v. 141, n. 1, p. 1, doi. 10.4045/tidsskr.21.0002
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Pose, men ikke sekk.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2021, v. 141, n. 1, p. 7
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Hunger.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2020, v. 140, n. 17, p. 1, doi. 10.4045/tidsskr.20.0910
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • FRA REDAKTØREN.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2020, v. 140, n. 17, p. 1717
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Takk!

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2020, v. 140, n. 12, p. 1205
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Farlig furting.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2020, v. 140, n. 11, p. 1081
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article

  • Licence to live.

    Published in:
    Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2020, v. 140, n. 9, p. 1
    By:
    • ØRSTAVIK, RAGNHILD
    Publication type:
    Article