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A nationwide survey was conducted to investigate the prevalence of video game addiction and problematic video game use and their association with physical and mental health. An initial sample comprising 2,500 individuals was randomly selected from the Norwegian National Registry. A total of 816 (34.0 percent) individuals completed and returned the(More)
Workaholism has become an increasingly popular area for empirical study. However, most studies examining the prevalence of workaholism have used non-representative samples and measures with poorly defined cut-off scores. To overcome these methodological limitations, a nationally representative survey among employees in Norway (N = 1,124) was conducted.(More)
The Bergen Facebook Addiction Scale (BFAS), initially a pool of 18 items, three reflecting each of the six core elements of addiction (salience, mood modification, tolerance, withdrawal, conflict, and relapse), was constructed and administered to 423 students together with several other standardized self-report scales (Addictive Tendencies Scale, Online(More)
We investigated the processing of emotional stimuli during a non-sleep-deprived state and following sleep deprivation in 36 right-handed men. Using the visual half-field technique, cartoon line drawings of emotional facial expressions were flashed on a computer screen for 250 msec. The participants were instructed to remember the content of the picture seen(More)
OBJECTIVE The aim of this study was to review research on psychological characteristics in chronic obstructive pulmonary disease (COPD) patients and to summarize the findings of associations between psychological variables and various aspects of life, illness, and health in COPD patients. METHODS The following databases were searched: Medline, PsycINFO,(More)
There is evidence that young people are at high risk of developing gambling disorders. The prevalence and correlates of gambling among youth therefore merit closer study. During spring 2004, a sample of 1,351 boys and girls (aged 16-19 years) from 151 high-school classes (clusters) participated in an internet survey about gambling. The response rate was(More)
STUDY OBJECTIVE To assess if less than 11 hours off work between work shifts (quick returns) was related to insomnia, sleepiness, fatigue, anxiety, depression and shift work disorder among nurses. METHODS A questionnaire including established instruments measuring insomnia (Bergen Insomnia Scale), sleepiness (Epworth Sleepiness Scale), fatigue (Fatigue(More)
UNLABELLED Although several qualitative reviews on pharmacological interventions for pathological gambling have been published, no quantitative review of this field has been conducted. METHODS Studies of pharmacological interventions of pathological gambling were identified by computer searches in the PsychINFO and MEDLINE databases covering the period(More)