Browsing NTNU Open by Author "Vedaa, Øystein"
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The association between shift work and immunological biomarkers in nurses
Bjorvatn, Bjørn; Axelsson, John; Pallesen, Ståle; Waage, Siri; Vedaa, Øystein; Blytt, Kjersti Marie; Buchvold, Hogne Vikanes; Moen, Bente Elisabeth; Thun, Eirunn (Journal article; Peer reviewed, 2020)Objectives: Shift work is associated with several negative health effects. The underlying pathophysiological mechanisms are unclear, but low-grade inflammation has been suggested to play a role. This project aimed to ... -
Built Environment Accessibility and Disability as Predictors of Well-Being among Older Adults: A Norwegian Cross-Sectional Study
Forster, Grace Katharine; Aarø, Leif Edvard; Alme, Maria Nordheim; Hansen, Thomas; Nilsen, Thomas Sevenius; Vedaa, Øystein (Peer reviewed; Journal article, 2023)Knowledge about the influence environmental factors have on well-being is important to deliver policies supporting healthy ageing and sustainable health equity. An under-researched question is whether and how the built ... -
Changes in work schedule affect the prevalence of shift work disorder among Norwegian nurses–a two year follow-up study
Waage, Siri; Pallesen, Ståle; Moen, Bente Elisabeth; Vedaa, Øystein; Thun, Eirunn; Buchvold, Hogne Vikanes; Blytt, Kjersti Marie; Harris, Anette Kristoffersen; Bjorvatn, Bjørn (Journal article; Peer reviewed, 2021)This study aimed to explore how changes in the work schedule would affect the prevalence of Shift Work Disorder (SWD) over time. Two-year follow-up data from 1076 nurses participating in the longitudinal SUrvey of Shift ... -
Circadian preference in young adults: Associations with sleep and mental health outcomes from a national survey of Norwegian university students
Kjørstad, Kaia; Vedaa, Øystein; Pallesen, Ståle; Saxvig, Ingvild W.; Hysing, Mari; Sivertsen, Børge (Journal article; Peer reviewed, 2022) -
Covid-fatigued? A longitudinal study of Norwegian older adults’ psychosocial well-being before and during early and later stages of the COVID-19 pandemic
Hansen, Thomas; Nilsen, Thomas Sevenius; Knapstad, Marit; Skirbekk, Vegard Fykse; Skogen, Jens Christoffer; Vedaa, Øystein; Nes, Ragnhild Bang (Peer reviewed; Journal article, 2021)As the pandemic continues, many older adults are facing prolonged isolation and stress while having less access to traditional ways of coping. There is widespread concern that the situation is increasingly taking its toll ... -
Demographical, personality, alcohol use, and mental health characteristics associated with different alcoholic beverage preferences among students
Erevik, Eilin K.; Torsheim, Torbjørn; Vedaa, Øystein; Andreassen, Cecilie Schou; Pallesen, Ståle (Peer reviewed; Journal article, 2020)The study investigates correlates (i.e. demographics, personality, alcohol use and alcohol-related harm, alcohol expectancies, and mental health) of different alcoholic beverage preferences (i.e. beer/alcopops/cider, wine, ... -
Demographics, personality and substance-use characteristics associated with forming romantic relationships
Erevik, Eilin K.; Pallesen, Ståle; Andreassen, Cecilie Schou; Vedaa, Øystein; Skogstad, Anders; Dhir, Amandeep; Torsheim, Torbjørn (Journal article; Peer reviewed, 2019)The current study aimed to identify demographic, personality and substance-use characteristics associated with forming romantic relationships. Data were collected by two online surveys among students in Bergen, Norway, ... -
Digital cognitive behaviour therapy for insomnia (dCBT-I): Chronotype moderation on intervention outcomes
Faaland, Patrick; Vedaa, Øystein; Langsrud, Knut; Sivertsen, Børge; Lydersen, Stian; Vestergaard, Cecilie Lund; Kjørstad, Kaia; Vethe, Daniel; Ritterband, Lee M.; Harvey, Allison G.; Stiles, Tore C; Scott, Janine Linda; Kallestad, Håvard (Peer reviewed; Journal article, 2022)Using data from 1721 participants in a community-based randomized control trial of digital cognitive behavioural therapy for insomnia compared with patient education, we employed linear mixed modelling analyses to examine ... -
Digital cognitive behaviour therapy for insomnia in individuals with self-reported insomnia and chronic fatigue: A secondary analysis of a large scale randomized controlled trial
Ramfjord, Lina Stålesen; Faaland, Patrick Michael Palmelund; Scott, Janine Linda; Saksvik, Simen Berg; Lydersen, Stian; Vedaa, Øystein; Kahn, Nikolaj; Langsrud, Knut; Stiles, Tore Charles; Ritterband, Lee M.; Harvey, Allison G.; Sivertsen, Børge; Kallestad, Håvard (Peer reviewed; Journal article, 2023)Insomnia is associated with fatigue, but it is unclear whether response to cognitive behaviour therapy for insomnia is altered in individuals with co-occurring symptoms of insomnia and chronic fatigue. This is a secondary ... -
Digital cognitive-behavioural therapy for insomnia compared with digital patient education about insomnia in individuals referred to secondary mental health services in Norway: Protocol for a multicentre randomised controlled trial
Kallestad, Håvard; Saksvik, Simen Berg; Vedaa, Øystein; Langsrud, Knut; Morken, Gunnar; Lydersen, Stian; Simpson, Melanie Rae; Dørheim, Signe Karen; Holmøy, Bjørn; Germans Selvik, Sara; Hagen, Kristen; Stiles, Tore C; Harvey, Allison G.; Ritterband, Lee M.; Sivertsen, Børge; Scott, Janine Linda (Peer reviewed; Journal article, 2021)Introduction Insomnia is highly prevalent in outpatients receiving treatment for mental disorders. Cognitive–behavioural therapy for insomnia (CBT-I) is a recommended first-line intervention. However, access is limited and ... -
Dysfunctional beliefs and attitudes about sleep (DBAS) mediate outcomes in dCBT-I on psychological distress, fatigue, and insomnia severity
Faaland, Patrick; Vedaa, Øystein; Langsrud, Knut; Sivertsen, Børge; Lydersen, Stian; Saksvik, Simen Berg; Vestergaard, Cecilie Lund; Kjørstad, Kaia; Vethe, Daniel; Ritterband, Lee M.; Harvey, Allison G.; Stiles, Tore Charles; Scott, Janine Linda; Kallestad, Håvard (Peer reviewed; Journal article, 2023)Objective/background Digital cognitive behavioral therapy for insomnia (dCBT-I) improves several sleep and health outcomes in individuals with insomnia. This study investigates whether changes in Dysfunctional Beliefs and ... -
The effect of sleep-wake intraindividual variability in digital cognitive behavioral therapy for insomnia: a mediation analysis of a large-scale RCT
Vestergaard, Cecilie Lund; Vedaa, Øystein; Simpson, Melanie Rae; Faaland, Patrick; Vethe, Daniel; Kjørstad, Kaia; Langsrud, Knut; Ritterband, Lee M; Sivertsen, Børge; Stiles, Tore C; Scott, Jan; Kallestad, Håvard (Peer reviewed; Journal article, 2021)Study Objectives Digital cognitive behavioral therapy for insomnia (dCBT-I) is an effective treatment for insomnia. However, less is known about mediators of its benefits. The aim of the present study was to test if ... -
The effects of digital CBT-I on work productivity and activity levels and the mediational role of insomnia symptoms: Data from a randomized controlled trial with 6-month follow-up
Kjørstad, Kaia; Sivertsen, Børge; Vedaa, Øystein; Langsrud, Knut; Vethe, Daniel; Faaland, Patrick; Vestergaard, Cecilie; Lydersen, Stian; Smith, Otto Robert Frans; Scott, Janine Linda; Kallestad, Håvard (Peer reviewed; Journal article, 2022)Abstract Study objectives Cognitive behavioral therapy for insomnia (CBT-I) is a well-established treatment for insomnia, but few studies have explored its impact on work and activity impairment. Methods Data stem from ... -
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 (Peer reviewed; 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 Five-Factor Model`s Personality Traits and Social and Emotional Loneliness: Two Large-Scale Studies among Norwegian Students
Erevik, Eilin K.; Vedaa, Øystein; Pallesen, Ståle; Hysing, Mari; Sivertsen, Børge (Peer reviewed; Journal article, 2023) -
Flattening the quality of life curve? A prospective person-centred study from Norway amid COVID-19
Nes, Ragnhild Bang; Yu, Baeksan; Hansen, Thomas; Vedaa, Øystein; Røysamb, Espen; Nilsen, Thomas Sevenius (Peer reviewed; Journal article, 2022)Purpose We examined multidimensional, heterogeneous reactions to the COVID-19 pandemic and associated measures to provide further insights into the developmental processes of risk and adaptation. Method We used ... -
Folkehelseundersøkelsen i Agder: Fremgangsmåte og utvalgte resultater
Skogen, Jens Christoffer; Vedaa, Øystein; Nilsen, Thomas Sevenius; Nes, Ragnhild Bang; Tallaksen, Andreas; Aarø, Leif Edvard (Research report, 2020) -
Folkehelseundersøkelsen i Rogaland 2020: Fremgangsmåte og utvalgte resultater
Skogen, Jens Christoffer; Nilsen, Thomas Sevenius; Hjetland, Gunnhild Johnsen; Knapstad, Marit; Nes, Ragnhild Bang; Aarø, Leif Edvard; Vedaa, Øystein (Research report, 2020) -
Folkehelseundersøkelsen i Troms og Finnmark: Fremgangsmåte og utvalgte resultater
Skogen, Jens Christoffer; Vedaa, Øystein; Nilsen, Thomas Sevenius; Nes, Ragnhild Bang; Aarø, Leif Edvard (Research report, 2019) -
Fylkeshelseundersøkelsen i Nordland: Fremgangsmåte og utvalgte resultater
Skogen, Jens Christoffer; Nilsen, Thomas Sevenius; Aasan, Bodil Elisabeth Valstad; Nes, Ragnhild Bang; Aarø, Leif Edvard; Vedaa, Øystein (Research report, 2020)