Browsing NTNU Open by Author "Sigurdson, Johannes Foss"
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Cohort profile: The Youth and Mental Health Study (YAMHS) – a longitudinal study of the period from adolescence to adulthood
Kaasbøll, Jannike; Sigurdson, Johannes Foss; Skokauskas, Norbert; Sund, Anne Mari (Peer reviewed; Journal article, 2021)The aim of this article is to provide a detailed description of the Youth and Mental Health Study (YAMHS),a population-based, representative (cluster sampling), prospective cohort study that was conducted to investigate ... -
Long-term effects of bullying in adolescence: Mental health and social adaptation in adulthood
Sigurdson, Johannes Foss (Doctoral theses at NTNU;2019:40, Doctoral thesis, 2019)The main purpose of this thesis was to investigate the long-term effects of bullying. Previous studies have shown that the effects of being bullied or bullying others during childhood and youth affect mental health and ... -
Long-term follow-up of a community sample of adolescents with frequent headaches
Larsson, Bo Sture; Sigurdson, Johannes Foss; Sund, Anne Mari (Journal article; Peer reviewed, 2018)Background Several outcome studies have reported on the short- and long-term effects of migraine in selected clinical samples of children and adolescents. However, current knowledge of the course, incidence, and outcome ... -
The long-term effects of being bullied or a bully in adolescence on externalizing and internalizing mental health problems in adulthood
Sigurdson, Johannes Foss; Undheim, Anne Mari; Wallander, Jan Lance; Lydersen, Stian; Sund, Anne Mari (Journal article; Peer reviewed, 2015)Background: The aim is to examine associations between bullying involvement in adolescence and mental health problems in adulthood. Methods: Information on bullying-involvement (being bullied, bully–victim, aggressive ... -
The long-term effects of being bullied or a bully in adolescence on externalizing and internalizing mental health problems in adulthood
Sigurdson, Johannes Foss; Undheim, Anne Mari; Wallander, Jan Lance; Lydersen, Stian; Sund, Anne Mari (Journal article; Peer reviewed, 2015)Background: The aim is to examine associations between bullying involvement in adolescence and mental health problems in adulthood. Methods: Information on bullying-involvement (being bullied, bully–victim, aggressive ...