Works matching AU Czajkowski, Nikolai Olavi

Results: 29

Mental illbeing and wellbeing are influenced by recent adverse life events. Evidence from a longitudinal twin study.

Published in:

Current Psychology, 2025, v. 44, n. 10, p. 8723, doi. 10.1007/s12144-025-07758-3

By:

Hofgaard, Live Skow;
Nes, Ragnhild Bang;
Vassend, Olav;
Ayorech, Ziada;
Czajkowski, Nikolai Olavi;
Røysamb, Espen

Publication type:

Article

A Web-Based Intervention Using "Five Ways to Wellbeing" to Promote Well-Being and Mental Health: Randomized Controlled Trial.

Published in:

JMIR Mental Health, 2024, v. 11, p. 1, doi. 10.2196/49050

By:

Prydz, Monica Beer;
Czajkowski, Nikolai Olavi;
Eilertsen, Maja;
Røysamb, Espen;
Nes, Ragnhild Bang

Publication type:

Article

Effects of a school-based intervention on levels of anxiety and depression: a cluster-randomized controlled trial of the MindPower program in ten high schools in Norway.

Published in:

BMC Psychology, 2022, v. 10, n. 1, p. 1, doi. 10.1186/s40359-022-00721-y

By:

Sælid, Gry Anette;
Czajkowski, Nikolai Olavi;
Aarø, Leif Edvard;
Andersen, John Roger;
Idsøe, Thormod;
Helleseter, Miguel Delgado;
Holte, Arne

Publication type:

Article

Text Topics and Treatment Response in Internet-Delivered Cognitive Behavioral Therapy for Generalized Anxiety Disorder: Text Mining Study.

Published in:

2022

By:

Mylläri, Sanna;
Saarni, Suoma Eeva;
Ritola, Ville;
Joffe, Grigori;
Stenberg, Jan-Henry;
Solbakken, Ole André;
Czajkowski, Nikolai Olavi;
Rosenström, Tom

Publication type:

journal article

Fatigue symptoms in relation to neuroticism, anxiety-depression, and musculoskeletal pain. A longitudinal twin study.

Published in:

PLoS ONE, 2018, v. 13, n. 6, p. 1, doi. 10.1371/journal.pone.0198594

By:

Vassend, Olav;
Røysamb, Espen;
Nielsen, Christopher Sivert;
Czajkowski, Nikolai Olavi

Publication type:

Article

The genetic underpinnings of right‐wing authoritarianism and social dominance orientation explain political attitudes beyond Big Five personality.

Published in:

Journal of Personality, 2024, v. 92, n. 6, p. 1744, doi. 10.1111/jopy.12921

By:

Kleppesto, Thomas Haarklau;
Czajkowski, Nikolai Olavi;
Sheehy‐Skeffington, Jennifer;
Vassend, Olav;
Roysamb, Espen;
Eftedal, Nikolai Haahjem;
Kunst, Jonas R.;
Ystrom, Eivind;
Thomsen, Lotte

Publication type:

Article

Justice sensitivity is undergirded by separate heritable motivations to be morally principled and opportunistic.

Published in:

Scientific Reports, 2022, v. 12, n. 1, p. 1, doi. 10.1038/s41598-022-09253-2

By:

Eftedal, Nikolai Haahjem;
Kleppestø, Thomas Haarklau;
Czajkowski, Nikolai Olavi;
Sheehy-Skeffington, Jennifer;
Røysamb, Espen;
Vassend, Olav;
Ystrom, Eivind;
Thomsen, Lotte

Publication type:

Article

Gender Differences in the Relationship Between Changes in ADHD Symptoms, Executive Functions, and Self- and Parent-Report Depression Symptoms in Boys and Girls With ADHD: A 2-Year Follow-Up Study.

Published in:

2018

By:

Øie, Merete;
Hovik, Kjell Tore;
Andersen, Per Normann;
Czajkowski, Nikolai Olavi;
Skogli, Erik Winther

Publication type:

journal article

Does event centrality mediate the effect of peritraumatic reactions on post-traumatic growth in survivors of a terrorist attack?

Published in:

European Journal of Psychotraumatology, 2020, v. 11, n. 1, p. 1, doi. 10.1080/20008198.2020.1766276

By:

Glad, Kristin Alve;
Czajkowski, Nikolai Olavi;
Dyb, Grete;
Hafstad, Gertrud S.

Publication type:

Article

Prediction of alcohol use disorder using personality disorder traits: a twin study.

Published in:

Addiction, 2018, v. 113, n. 1, p. 15, doi. 10.1111/add.13951

By:

Rosenström, Tom;
Torvik, Fartein Ask;
Ystrom, Eivind;
Czajkowski, Nikolai Olavi;
Gillespie, Nathan A.;
Aggen, Steven H.;
Krueger, Robert F.;
Kendler, Kenneth S.;
Reichborn‐Kjennerud, Ted

Publication type:

Article

The impact of diagnosed fetal anomaly, diagnostic severity and prognostic ambiguity on parental depression and traumatic stress: a prospective longitudinal cohort study.

Published in:

Acta Obstetricia et Gynecologica Scandinavica, 2022, v. 101, n. 11, p. 1291, doi. 10.1111/aogs.14453

By:

Oftedal, Aurora;
Bekkhus, Mona;
Haugen, Guttorm Nils;
Czajkowski, Nikolai Olavi;
Kaasen, Anne

Publication type:

Article

An experimental approach to disentangle neurodevelopmental and current factors of influence on brain and cognition: an intervention twin study.

Published in:

Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2024, v. 20, n. S2, p. 1, doi. 10.1002/alz.088714

By:

Walhovd, Kristine B;
Markus, Sneve H;
Sørensen, Øystein;
Bråthen, Anne Cecilie Sjøli;
Falch, Emilie Sogn;
Garrido, Pablo F.;
Kransberg, Jonas;
Slivka, Maksim;
Alatorre‐Warren, José‐Luis;
Overbye, Knut;
Czajkowski, Nikolai Olavi;
Fjell, Anders M

Publication type:

Article

Joint factorial structure of psychopathology and personality.

Published in:

Psychological Medicine, 2019, v. 49, n. 13, p. 2158, doi. 10.1017/S0033291718002982

By:

Rosenström, Tom;
Gjerde, Line C.;
Krueger, Robert F.;
Aggen, Steven H.;
Czajkowski, Nikolai Olavi;
Gillespie, Nathan A.;
Kendler, Kenneth S.;
Reichborn-Kjennerud, Ted;
Torvik, Fartein Ask;
Ystrom, Eivind

Publication type:

Article

Efficacy of attachment-based family therapy compared to treatment as usual for suicidal ideation in adolescents with MDD.

Published in:

Clinical Child Psychology & Psychiatry, 2021, v. 26, n. 3, p. 464, doi. 10.1177/1359104520980776

By:

Waraan, Luxsiya;
Rognli, Erling W;
Czajkowski, Nikolai Olavi;
Mehlum, Lars;
Aalberg, Marianne

Publication type:

Article

Using informant discrepancies in report of parent–adolescent conflict to predict hopelessness in adolescent depression.

Published in:

Clinical Child Psychology & Psychiatry, 2021, v. 26, n. 1, p. 96, doi. 10.1177/1359104520969761

By:

Rognli, Erling W;
Aalberg, Marianne;
Czajkowski, Nikolai Olavi

Publication type:

Article

Coping With Strain (CWS) course - its effects on depressive symptoms: A four-year longitudinal randomized controlled trial.

Published in:

Scandinavian Journal of Psychology, 2016, v. 57, n. 4, p. 321, doi. 10.1111/sjop.12289

By:

Sælid, Gry Anette;
Czajkowski, Nikolai Olavi;
Holte, Arne;
Tambs, Kristian;
Aarø, Leif Edvard

Publication type:

Article

Evaluation of "SIBS", An Intervention for Siblings and Parents of Children with Chronic Disorders.

Published in:

Journal of Child & Family Studies, 2020, v. 29, n. 8, p. 2201, doi. 10.1007/s10826-020-01737-x

By:

Haukeland, Yngvild Bjartveit;
Czajkowski, Nikolai Olavi;
Fjermestad, Krister Westlye;
Silverman, Wendy K.;
Mossige, Svein;
Vatne, Torun Marie

Publication type:

Article

The underlying architecture of musical sensibility: One general factor, four subdimensions, and strong genetic effects.

Published in:

Annals of the New York Academy of Sciences, 2024, v. 1540, n. 1, p. 291, doi. 10.1111/nyas.15227

By:

Hansen, Heidi Marie Umbach;
Røysamb, Espen;
Vassend, Olav Mandt;
Czajkowski, Nikolai Olavi;
Endestad, Tor;
Danielsen, Anne;
Laeng, Bruno

Publication type:

Article

Exploring dynamic relationships between employees' personalities and psychosocial work factors.

Published in:

European Journal of Work & Organizational Psychology, 2022, v. 31, n. 1, p. 1, doi. 10.1080/1359432X.2021.1912016

By:

Askim, Kine;
Czajkowski, Nikolai Olavi;
Knardahl, Stein

Publication type:

Article

Are unpopular children more likely to get sick? Longitudinal links between popularity and infectious diseases in early childhood.

Published in:

PLoS ONE, 2019, v. 14, n. 9, p. 1, doi. 10.1371/journal.pone.0222222

By:

Ulset, Vidar Sandsaunet;
Czajkowski, Nikolai Olavi;
Kraft, Brage;
Kraft, Pål;
Wikenius, Ellen;
Kleppestø, Thomas Haarklau;
Bekkhus, Mona

Publication type:

Article

Attachment and Political Personality are Heritable and Distinct Systems, and Both Share Genetics with Interpersonal Trust and Altruism.

Published in:

Behavior Genetics, 2024, v. 54, n. 4, p. 321, doi. 10.1007/s10519-024-10185-y

By:

Kleppesto, Thomas Haarklau;
Czajkowski, Nikolai Olavi;
Vassend, Olav;
Roysamb, Espen;
Eftedal, Nikolai Haahjem;
Sheehy-Skeffington, Jennifer;
Ystrom, Eivind;
Kunst, Jonas R.;
Gjerde, Line C.;
Thomsen, Lotte

Publication type:

Article

Genetically Informative Mediation Modeling Applied to Stressors and Personality-Disorder Traits in Etiology of Alcohol Use Disorder.

Published in:

Behavior Genetics, 2019, v. 49, n. 1, p. 11, doi. 10.1007/s10519-018-9941-z

By:

Rosenström, Tom;
Czajkowski, Nikolai Olavi;
Ystrom, Eivind;
Krueger, Robert F.;
Aggen, Steven H.;
Gillespie, Nathan A.;
Eilertsen, Espen;
Reichborn-Kjennerud, Ted;
Torvik, Fartein Ask

Publication type:

Article

Positive mental health effects of the Coping With Strain (CWS) course on employees: a four-year longitudinal randomized controlled trial.

Published in:

International Journal of Mental Health Promotion, 2016, v. 18, n. 3, p. 158, doi. 10.1080/14623730.2016.1196231

By:

Sælid, Gry Anette;
Tambs, Kristian;
Aarø, Leif Edvard;
Czajkowski, Nikolai Olavi;
Holte, Arne

Publication type:

Article

The role of neuroticism and pain in dental anxiety: A twin study.

Published in:

Community Dentistry & Oral Epidemiology, 2023, v. 51, n. 5, p. 786, doi. 10.1111/cdoe.12763

By:

Vassend, Olav;
Czajkowski, Nikolai Olavi;
Røysamb, Espen;
Nielsen, Christopher Sivert

Publication type:

Article

Effectiveness of attachment-based family therapy compared to treatment as usual for depressed adolescents in community mental health clinics.

Published in:

Child & Adolescent Psychiatry & Mental Health, 2021, v. 15, n. 1, p. 1, doi. 10.1186/s13034-021-00361-x

By:

Waraan, Luxsiya;
Rognli, Erling W.;
Czajkowski, Nikolai Olavi;
Aalberg, Marianne;
Mehlum, Lars

Publication type:

Article

Facets of neuroticism and musculoskeletal symptoms. A study of middle-aged twins.

Published in:

Norsk Epidemiologi, 2016, v. 26, n. 1/2, p. 47, doi. 10.5324/nje.v26i1-2.2015

By:

Vassend, Olav;
Orvik, Benedicte Humborstad;
Czajkowski, Nikolai Olavi;
Røysamb, Espen

Publication type:

Article

Long-Term Impact of Diagnosed Fetal Anomaly on Parental Traumatic Stress, Resilience, and Relationship Satisfaction.

Published in:

Journal of Pediatric Psychology, 2023, v. 48, n. 2, p. 181, doi. 10.1093/jpepsy/jsac085

By:

Oftedal, Aurora;
Bekkhus, Mona;
Haugen, Guttorm;
Hjemdal, Odin;
Czajkowski, Nikolai Olavi;
Kaasen, Anne

Publication type:

Article

Kan kunstig intelligens være empatisk? Når helsepersonell vurderer svar på spørsmål om sykdom og symptomer, besvart av enten leger eller kunstig intelligens, ser de ut til å foretrekke svar fra sistnevnte.

Published in:

Journal of the Norwegian Medical Association / Tidsskrift for Den Norske Laegeforening, 2025, v. 145, n. 2, p. 117

By:

Czajkowski, Nikolai Olavi

Publication type:

Article

Bias from self selection and loss to follow-up in prospective cohort studies.

Published in:

European Journal of Epidemiology, 2019, v. 34, n. 10, p. 927, doi. 10.1007/s10654-019-00550-1

By:

Biele, Guido;
Gustavson, Kristin;
Czajkowski, Nikolai Olavi;
Nilsen, Roy Miodini;
Reichborn-Kjennerud, Ted;
Magnus, Per Minor;
Stoltenberg, Camilla;
Aase, Heidi

Publication type:

Article