Blar i Bergen Open Research Archive på forfatter "Skogen, Jens Christoffer"
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Increased gaming during COVID-19 predicts physical inactivity among youth in Norway a two-wave longitudinal cohort study
Haug, Ellen Merethe Melingen; Mæland, Silje; Lehmann, Stine; Bjørknes, Ragnhild; Fadnes, Lars T.; Sandal, Gro Mjeldheim; Skogen, Jens Christoffer (Journal article; Peer reviewed, 2022)Background: A concern for the COVID-19 measures and the potential long-term consequences the measures may have on physical inactivity and gaming among youth. Objectives: Examine the stability and change in internet and ... -
Insomnia symptom trajectories among adult survivors of childhood sexual abuse: A longitudinal study
Steine, Iris Mulders; Skogen, Jens Christoffer; Krystal, John H.; Winje, Dagfinn; Milde, Anne Marita; Grønli, Janne; Nordhus, Inger Hilde; Bjorvatn, Bjørn; Pallesen, Ståle (Peer reviewed; Journal article, 2019)Background: Childhood sexual abuse (CSA) is associated with sleep disturbances in adulthood. However, longitudinal studies have yet to identify among CSA-survivors subgroups distinguished by the trajectory of their insomnia ... -
An investigation of factors identified at birth in relation to anxiety and depression in old age: the Hordaland Health Study (HUSK)
Skogen, Jens Christoffer; Stewart, Robert; Mykletun, Arnstein; Knapstad, Marit; Øverland, Simon Nygaard (Peer reviewed; Journal article, 2013-05-10)Background: Although life course influences have long been recognised in affective disorder, little is known about the influence of early life factors on late life anxiety and depression. The aim was to investigate the ... -
Life expectancy and disease burden in the Nordic countries: results from the Global Burden of Diseases, Injuries, and Risk Factors Study 2017
Kisa, Adnan; Knudsen, Ann Kristin; Allebeck, Peter; Tollånes, Mette Christophersen; Skogen, Jens Christoffer; Iburg, Kim Moesgaard; McGrath, John J; Juel, Knud; Agardh, Emilie Elisabet; Arnlöv, Johan; Bjørge, Tone; Carrero, Juan J.; Cederroth, Christopher R; Eggen, Anne Elise; El-Khatib, Ziad; Lycke Ellingsen, Christian; Fereshtehnejad, Seyed-Mohammad; Gissler, Mika; Hadkhale, Kishor; Havmoeller, Rasmus; Johansson, Lars; Juliusson, Petur Benedikt; Kiadaliri, Aliasghar A.; Kisa, Sezer; Lallukka, Tea; Mekonnen, Teferi; Meretoja, Tuomo J.; Meretoja, Atte; Naghavi, Mohsen; Neupane, Subas; Nguyen, Truc Trung; Petzold, Max; Plana-Ripoll, Oleguer; Shiri, Rahman; Sigurvinsdottir, Rannveig; Skirbekk, Vegard; Skou, Søren T; Sigfusdottir, Inga Dora; Steiner, Timothy J.; Sulo, Gerhard; Truelsen, Thomas Clement; Vasankari, Tommi Juhani; Weiderpass, Elisabete; Vollset, Stein Emil; Vos, Theo; Øverland, Simon (Peer reviewed; Journal article, 2019-12-01)Background The Nordic countries have commonalities in gender equality, economy, welfare, and health care, but differ in culture and lifestyle, which might create country-wise health differences. This study compared life ... -
Long-term effect of cognitive–behavioural therapy in patients with Hypochondriacal Disorder
Veddegjærde, Kari-Elise Frøystad; Sivertsen, Børge; Skogen, Jens Christoffer; Smith, Otto Robert Frans; Wilhelmsen, Ingvard (Journal article; Peer reviewed, 2020)Background Cognitive–behavioural therapy (CBT) is an effective treatment for Hypochondriacal Disorder, but the long-term effect has not been examined extensively. Aims To investigate the long-term effect of CBT on ... -
Maternal heavy alcohol use and toddler behavior problems: a fixed effects regression analysis
Knudsen, Ann Kristin; Ystrøm, Eivind; Skogen, Jens Christoffer; Torgersen, Leila (Peer reviewed; Journal article, 2015-01-14)Using data from the longitudinal Norwegian Mother and Child Cohort Study, the aims of the current study were to examine associations between postnatal maternal heavy alcohol use and toddler behavior problems, taking both ... -
Maternal pre-pregnancy risk drinking and toddler behavior problems: the Norwegian Mother and Child Cohort Study
Knudsen, Ann Kristin; Skogen, Jens Christoffer; Ystrøm, Eivind; SIvertsen, Børge; Tell, Grethe Seppola; Torgersen, Leila (Peer reviewed; Journal article, 2014-07-23)Maternal risk drinking may be a risk factor for child behavior problems even if the mother has discontinued this behavior. Whether pre-pregnancy risk drinking is an independent predictor of child behavior problems, or ... -
Midlife mental distress and risk for dementia up to 27 years later: the Nord-Trøndelag Health Study (HUNT) in linkage with a dementia registry in Norway.
Skogen, Jens Christoffer; Bergh, Sverre; Stewart, Robert; Knudsen, Ann Kristin; Bjerkeset, Ottar (Peer reviewed; Journal article, 2015-03-10)Background Dementia is an increasing public health challenge, and the number of individuals affected is growing rapidly. Mental disorders and symptoms of mental distress have been reported to be risk factors for dementia. ... -
Monthly variations in self-report of time-specified and typical alcohol use: The Nord-Trøndelag Health Study (HUNT3)
Knudsen, Ann Kristin; Skogen, Jens Christoffer (Peer reviewed; Journal article, 2015-02-21)Background Aggregated measures are often employed when prevalence, risk factors and consequences of alcohol use in the population are monitored. In order to avoid time-dependent bias in aggregated measures, reference periods ... -
Pain and pain tolerance in whiplash-associated disorders:A population-based study
Myrtveit, Solbjørg Makalani; Skogen, Jens Christoffer; Sivertsen, Børge; Steingrímsdóttir, Ólöf Anna; Stubhaug, Audun; Nielsen, Christopher Sivert (Peer reviewed; Journal article, 2015)Background: Pain is a cardinal symptom in individuals with whiplash-associated disorders (WAD). We aimed to compare pain characteristics between individuals with WAD and individuals reporting chronic pain from other causes, ... -
Perceived consequences and worries among youth in Norway during the COVID-19 pandemic lockdown
Lehmann, Stine; Skogen, Jens Christoffer; Haug, Ellen; Mæland, Silje; Fadnes, Lars Thore; Sandal, Gro Mjeldheim; Hysing, Mari; Bjørknes, Ragnhild (Journal article; Peer reviewed, 2021)Aims: To examine perceived consequences for everyday life, learning outcomes, family relations, sleep problems and worries for infection, for friends and their future, among youth aged 12–19 years during weeks 7 to 9 of ... -
Physical activity is independently associated with reduced mortality: 15-years follow-up of the Hordaland Health Study (HUSK)
Kopperstad, Øyvind; Skogen, Jens Christoffer; Sivertsen, Børge; Tell, Grethe S.; Myrtveit, Solbjørg Makalani (Peer reviewed; Journal article, 2017-03-22)Background: Physical activity (PA) is associated with lower risk for non-communicable diseases and mortality. We aimed to investigate the prospective association between PA and all-cause and cause-specific mortality, and ... -
Population attributable fractions for Type 2 diabetes: an examination of multiple risk factors including symptoms of depression and anxiety
Naicker, Kiyuri; Manuel, Douglas; Øverland, Simon Nygaard; Skogen, Jens Christoffer; Johnson, Jeffrey A; Sivertsen, Børge; Colman, Ian (Peer reviewed; Journal article, 2018-11-22)Background: Population attributable fractions (PAFs) are frequently used to quantify the proportion of Type 2 diabetes cases due to single risk factors, an approach which may result in an overestimation of their individual ... -
Potential traumatic events and symptoms of post‑traumatic stress in unaccompanied refugee minors—a comparison with youth in foster care
Kvestad, Ingrid; Bøe, Tormod; Sayyad, Nawar; Skogen, Jens Christoffer; Randal, Sølve Bjørn; Lehmann, Stine (Journal article; Peer reviewed, 2021)Building knowledge on how child welfare services (CWS) should tailor services for unaccompanied refugee minors (URMs) is important. URMs and youth in foster care are high-risk groups taken care of by the CWS in Norway. ... -
The prospective association between health anxiety and cancer detection: A cohort study linking the Hordaland Health Study (HUSK) with the Norwegian Cancer Registry
Knudsen, Ann Kristin; Berge, Line Iden; Skogen, Jens Christoffer; Veddegjærde, Kari-Elise; Wilhelmsen, Ingvard (Peer reviewed; Journal article, 2015-08)Objective: Health anxiety is associated with distress and disability, and overutilization of health services, but it is not known whether high levels of health anxiety may lead to increased detection of severe diseases ... -
Prospective associations between childhood externalising and internalising problems and adolescent alcohol and drug use: The Bergen Child Study
Heradstveit, Ove; Skogen, Jens Christoffer; Bøe, Tormod; Hetland, Jørn; Pedersen, Mads Uffe; Hysing, Mari (Peer reviewed; Journal article, 2018)Aims: The literature on associations between internalising problems and subsequent alcohol/drug use and problems shows mixed results, and it is important to consider different aspects of internalising problems along with ... -
Psychiatric Diagnoses Differ Considerably in Their Associations With Alcohol/Drug-Related Problems Among Adolescents. A Norwegian Population-Based Survey Linked With National Patient Registry Data
Heradstveit, Ove; Skogen, Jens Christoffer; Hetland, Jørn; Stewart, Robert; Hysing, Mari (Peer reviewed; Journal article, 2019-05-08)The aim of this study was to examine alcohol/drug use and problems across psychiatric diagnoses and to what extent associations between each psychiatric diagnosis and alcohol/drug use and problems were independent from the ... -
Quality of life among young people in Norway during the COVID‑19 pandemic. A longitudinal study
Lehmann, Stine; Haug, Ellen Merethe Melingen; Bjørknes, Ragnhild; Sandal, Gro Mjeldheim; Fadnes, Lars Thore; Skogen, Jens Christoffer (Journal article; Peer reviewed, 2022)In this study, we aimed to examine health-related quality of life during the COVID-19 pandemic among a general sample of young people in Norway aged 11–19 years. More specifically, we examine: (1) Change over 2 time-points ... -
A Review of the Relationship Between Social Media Use and Online Prosocial Behavior Among Adolescents
Lysenstøen, Christoffer; Bøe, Tormod; Hjetland, Gunnhild Johnsen; Skogen, Jens Christoffer (Journal article; Peer reviewed, 2021-09-28)Social media (SoMe) activity constitutes a large part of the lives of adolescents. Even though the behavior on SoMe is complex, the research on SoMe has mostly focused on negative effects, bad content, and online antisocial ... -
Risky Drinking among Norwegian Students: Associations with Participation in the Introductory Week, Academic Performance and Alcohol-related Attitudes
Myrtveit, Solbjørg Makalani; Askeland, Kristin Gärtner; Knudsen, Ann Kristin; Knapstad, Marit; Olsen, Rune; Nedregård, Truls; Skogen, Jens Christoffer (Peer reviewed; Journal article, 2016-09)AIMS – Substantial increase in heavy drinking upon transition from high school to college is common. Norwegian universities and university colleges arrange yearly introductory weeks to welcome new students. It has been ...