• Physical inactivity, non-participation in sports and socioeconomic status: a large population-based study among Norwegian adolescents 

      Heradstveit, Ove; Haugland, Siren; Hysing, Mari; Stormark, Kjell Morten; Sivertsen, Børge; Bøe, Tormod (Peer reviewed; Journal article, 2020)
      Background: Physical activity in adolescence is found to promote both immediate and long-term health, as well as school- and work performance. Previous studies suggest that parental socioeconomic status (SES) may influence ...
    • Sleep in adolescence: Considering family structure and family complexity 

      Nilsen, Sondre Aasen; Bergström, Malin; Sivertsen, Børge; Stormark, Kjell Morten; Hysing, Mari (Peer reviewed; Journal article, 2022)
      Objectives To investigate associations between family structure, family complexity, and sleep in adolescence. Background Family structure may be associated with sleep patterns and sleep problems among adolescents. Yet, ...
    • Weekday time in bed and obesity risk in adolescence 

      Danielsen, Yngvild Sørebø; Pallesen, Ståle; Sivertsen, Børge; Stormark, Kjell Morten; Hysing, Mari (Peer reviewed; Journal article, 2020)
      Introduction: Sleep curtailment is associated with obesity in children, but few studies have investigated this relationship in a longitudinal sample of adolescents. The aim of the present study was to examine the longitudinal ...