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Browsing Bergen Open Research Archive by Author "Sivertsen, Børge"

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Now showing items 1-20 of 62

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    • Alcohol and drug use among adolescents: and the co-occurrence of mental health problems. Ung@hordaland, a population-based study 

      Skogen, Jens Christoffer; Sivertsen, Børge; Lundervold, Astri; Stormark, Kjell Morten; Jakobsen, Reidar; Hysing, Mari (Peer reviewed; Journal article, 2014-09-22)
      Objectives The use of alcohol and drugs is prevalent among adolescents, but too little is known about the association between debut of alcohol and drug use, problematic use and concurrent mental health. The aim of the study ...
    • The Association Between Self-Reported Screen Time, Social Media Addiction, and Sleep Among Norwegian University Students 

      Hjetland, Gunnhild Johnsen; Skogen, Jens Christoffer; Hysing, Mari; Sivertsen, Børge (Journal article; Peer reviewed, 2021)
      The aim of this study was to assess the relationship between daily screen time and sleep, evening screen time and sleep, and between social media addiction and sleep in a student population. This cross-sectional study is ...
    • Associations between symptoms of eating disturbance and frequency of physical activity in a non-clinical, population-based sample of adolescents 

      Heradstveit, Ove; Holmelid, Eva; Klundby, Helene; Søreide, Birgitte; Sivertsen, Børge; Sand, Liv (Peer reviewed; Journal article, 2019-04-18)
      Background: Physical activity is an important factor related to eating disorders, but the relationship between symptoms of eating disorders and physical activity is multifaceted. The aims of this study were to investigate ...
    • Bullying Involvement in Adolescence: Implications for Sleep, Mental Health, and Academic Outcomes 

      Hysing, Mari; Askeland, Kristin Gärtner; La Greca, Annette M.; Solberg, Mona Elin; Breivik, Kyrre; Sivertsen, Børge (Peer reviewed; Journal article, 2019)
      Adolescents’ involvement in bullying is associated with both sleep and mental health problems, but the nature of this association remains unclear; further, its association with academic outcomes has received little attention. ...
    • The Burden of Care: A National Survey on the Prevalence, Demographic Characteristics and Health Problems Among Young Adult Carers Attending Higher Education in Norway 

      Haugland, Bente Storm Mowatt; Hysing, Mari; Sivertsen, Børge (Journal article, 2020-01)
      Objective: The aim of the present study was to examine prevalence, characteristics and health outcomes among young adults (18 to 25 years) who provide informal care to family members or others with physical or mental ...
    • Changes in mental health problems and suicidal behaviour in students and their associations with COVID-19-related restrictions in Norway: A national repeated cross-sectional analysis 

      Sivertsen, Børge; Knapstad, Marit; Petrie, Keith; O'Connor, Rory; Lønning, Kari Jussi; Hysing, Mari (Journal article; Peer reviewed, 2022)
      Objective: The COVID-19 pandemic has had a devastating impact on higher education, with the closure of student campuses. The aim of this study was to examine changes and prevalence of mental health problems, suicidal ...
    • Childhood maltreatment and sleep in children and adolescents: A systematic review and meta-analysis 

      Schønning, Viktor; Sivertsen, Børge; Hysing, Mari; Dovran, Anders; Askeland, Kristin Gärtner (Journal article; Peer reviewed, 2022)
      Childhood maltreatment is a global problem with the risk of serious health consequences for children and adolescents, including sleep problems. Former systematic reviews have examined the association between childhood ...
    • Circadian typology and implications for adolescent sleep health. Results from a large, cross-sectional, school-based study 

      Saxvig, Ingvild West; Evanger, Linn Nyjordet; Pallesen, Ståle; Hysing, Mari; Sivertsen, Børge; Gradisar, Michael; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2021)
      Study objectives To investigate circadian typology in a large, representative sample of Norwegian adolescents, and its implications for sleep health. Methods The sample included 3920 1st year high school students aged ...
    • Clinical Significance of Periodic Limb Movement Disorder (PLMD) in Insomnia Patients 

      Sivertsen, Børge; Omvik, Siri; Straume, Sivert; Pallesen, Ståle; Bjorvatn, Bjørn; Havik, Odd E. (Peer reviewed; Journal article, 2008)
    • Delayed sleep phase syndrome in adolescents: prevalence and correlates in a large population based study 

      Sivertsen, Børge; Pallesen, Ståle; Stormark, Kjell Morten; Bøe, Tormod; Lundervold, Astri Johansen; Hysing, Mari (Peer reviewed; Journal article, 2013-12-11)
      Background: The aims of this study were to estimate the prevalence of Delayed Sleep Phase Syndrome (DSPS) in adolescence, and to examine the association to insomnia and school non-attendance. Methods: Data stem from a large ...
    • DiaSHoT18: A cross-sectional national health and well-being survey of university students with type 1 diabetes 

      Bratke, Heiko; Lønning, Kari Jussi; Sivertsen, Børge (Journal article; Peer reviewed, 2020-09-17)
      Objective To achieve a better understanding in how university students live with and are able to manage their type 1 diabetes (T1D). Methods In 2018, all fulltime Norwegian students aged 18 to 35 years pursuing higher ...
    • Differential associations between types of social media use and university students' non-suicidal self-injury and suicidal behavior 

      Kingsbury, Mila; Reme, Bjørn-Atle; Skogen, Jens Christoffer; Sivertsen, Børge; Øverland, Simon Nygaard; Cantor, Nathan; Hysing, Mari; Petrie, Keith; Colman, Ian (Journal article; Peer reviewed, 2021)
      Objective To examine differential associations between types of social media use and non-suicidal self-injury (NSSI) and suicidal behaviors. Methods Participants were N = 40,065 Norwegian college and university students, ...
    • Divorce and adolescent academic achievement: Heterogeneity in the associations by parental education 

      Nilsen, Sondre Aasen; Breivik, Kyrre; Wold, Bente; Askeland, Kristin Gärtner; Sivertsen, Børge; Hysing, Mari; Bøe, Tormod (Journal article; Peer reviewed, 2020)
      Background The link between parental divorce and adolescents’ academic achievement may depend on parental educational levels. However, findings have been inconsistent regarding whether the negative associations between ...
    • Economic Circumstances in Childhood and Subsequent Substance Use in Adolescence – A Latent Class Analysis: The youth@hordaland Study 

      Skogen, Jens Christoffer; Sivertsen, Børge; Hysing, Mari; Heradstveit, Ove; Bøe, Tormod (Peer reviewed; Journal article, 2019-05-14)
      The aim of the present study was to investigate the association between longitudinal registry-based data on family income during childhood and self-reported substance use in adolescence, including potential alcohol- or ...
    • Effects of digital cognitive behavioural therapy for insomnia on insomnia severity: a large-scale randomised controlled trial 

      Vedaa, Øystein; Kallestad, Håvard; Scott, Janine Linda; Smith, Otto Robert Frans; Pallesen, Ståle; Morken, Gunnar; Langsrud, Knut; Gehrman, Philip; Thorndike, Frances P.; Ritterband, Lee M.; Harvey, Allison G.; Stiles, Tore C; Sivertsen, Børge (Journal article, 2020)
      Background Although several large-scale randomised controlled trials have shown the efficacy of digital cognitive behavioural therapy for insomnia (dCBT-I), there is a need to validate widespread dissemination of dCBT-I ...
    • The Epidemiology of Insomnia and Sleep Duration Across Mental and Physical Health: The SHoT Study 

      Sivertsen, Børge; Hysing, Mari; Harvey, Allison G.; Petrie, Keith J. (Journal article; Peer reviewed, 2021)
      Objective: Numerous epidemiological studies have been conducted to examine the prevalence and comorbidities of insomnia and document sleep duration, but a common limitation in many studies is the lack of use of agreed-upon ...
    • Factor Structure and Psychometric Properties of the Resilience Scale for Adolescents (READ) 

      Askeland, Kristin Gärtner; Hysing, Mari; Sivertsen, Børge; Breivik, Kyrre (Peer reviewed; Journal article, 2019)
      Psychometric evaluations of the Resilience Scale for Adolescents (READ) have yielded inconsistent support for the original five-factor solution, with different modifications being proposed. The aim of the present article ...
    • Financial Difficulties and Student Health: Results from a National Cross-Sectional Survey of Norwegian College and University students 

      Bøe, Tormod; Hysing, Mari; Lønning, Kari Jussie; Sivertsen, Børge (Journal article; Peer reviewed, 2021)
      To examine financial circumstances among Norwegian higher education students and investigate associations between financial difficulties and health, academic outcomes and self-destructive behaviours, we used data from a ...
    • Insomnia in older adults Consequences, assessment and treatment 

      Sivertsen, Børge (Doctoral thesis, 2006-11-23)
      Objective: Insomnia is one of the most common conditions in older adults, affecting almost one third of adults aged 55 years or older. Insomnia has been linked to a number of individual adverse medical and psychological ...
    • Insomnia, sleep duration and academic performance: A national survey of Norwegian college and university students 

      Vedaa, Øystein; Erevik, Eilin K.; Hysing, Mari; Hayley, Amie C.; Sivertsen, Børge (Peer reviewed; Journal article, 2019-12)
      Objective: The aim of this study was to evaluate the associations between insomnia, sleep duration and self-reported academic performance/failure in a large sample of Norwegian college and university students. Methods: ...

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