Blar i ODA Open Digital Archive på forfatter "von Soest, Tilmann Martin"
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Childhood personality and academic performance: A sibling fixed-effects study
Constantinou, Andrea; von Soest, Tilmann Martin; Zachrisson, Henrik Daae; Torvik, Fartein Ask; Cheesman, Rosa Catherine Gillespie; Ystrøm, Eivind (Peer reviewed; Journal article, 2023)Objective: This study investigated the associations between personality traits at age 8 and academic performance between ages 10 and 14, controlling for family confounds. Background: Many studies have shown links between ... -
Oslo – den delte byen: ungdom, rus og sosioøkonomisk status
Pedersen, Willy; Frøyland, Lars Roar; Enstad, Frøydis; von Soest, Tilmann Martin (Forebygging.no;, Peer reviewed; Journal article, 2024)Oslo er delt i en velstående vestlig del og en fattigere østlig del. Vi undersøker mønstre av bruk av alkohol, cannabis og kokain blant ungdommer fra 16 til 19 år (N = 10 595) i ulike deler av byen, mens vi spesielt ser ... -
Polysubstance use and its correlation with psychosocial and health risk behaviours among more than 95,000 Norwegian adolescents during the COVID-19 pandemic (January to May 2021): a latent profile analysis
Rodriguez Cano, Ruben; Kypriotakis, George; Cortes Garcia, Laura; Bakken, Anders; von Soest, Tilmann Martin (Peer reviewed; Journal article, 2023)Background Polysubstance use represents an adolescent health risk; however, large-scale studies investigating this issue during the COVID-19 pandemic are scarce. We aim to (i) characterise substance use profiles among ... -
Predicting suicide attempts among Norwegian adolescents without using suicide-related items: a machine learning approach
Ebad Fardzadeh, Haghish; Czajkowski, Nikolai Olavi; von Soest, Tilmann Martin (Journal article; Peer reviewed, 2023)Introduction: Research on the classification models of suicide attempts has predominantly depended on the collection of sensitive data related to suicide. Gathering this type of information at the population level can be ... -
School Party Culture as a Driver of Cocaine Use Among Norwegian Adolescents: A Cross-Classified Multilevel Analysis
Frøyland, Lars Roar; Pedersen, Willy; Enstad, Frøydis; von Soest, Tilmann Martin (Peer reviewed; Journal article, 2025)Background: Adolescent substance use typically occurs within peer contexts and is influenced by characteristics of neighborhoods and the cultural environments of the schools adolescents attend. This study aimed to (i) ... -
Sexual and Physical Victimization and Health Correlates Among Norwegian Adolescents
Frøyland, Lars Roar; Pedersen, Willy; Stefansen, Kari; von Soest, Tilmann Martin (Peer reviewed; Journal article, 2023)Large-scale epidemiological studies have documented that many children and adolescents are exposed to different forms of victimization experiences. However, such population-based studies have rarely examined how specific ... -
Social marginalization: A scoping review of 50 years of research
Fluit, Sam; Cortes Garcia, Laura Cristina; von Soest, Tilmann Martin (Peer reviewed; Journal article, 2024)Despite growing interest in social marginalization, the concept lacks a common and clear definition. Using a scoping review method, this paper systematically analyzed 1121 papers identified in the Scopus and Web of Science ... -
Within-Person Prospective Associations Between Disordered Eating, Appearance Dissatisfaction, and Depressive Symptoms From Adolescence to Midlife: A 28-Year Longitudinal Population-Based Study
Cortes Garcia, Laura; Wichstrøm, Lars; Cano, Ruben Agustin Rodriguez; von Soest, Tilmann Martin (Journal of Psychopathology and Clinical Science;, Peer reviewed; Journal article, 2023)Appearance dissatisfaction and depressive symptoms are considered key risk factors of disordered eating. However, their etiological status is equivocal; previous longitudinal studies have not accounted for time-invariant ...