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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)
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)
AIMS To investigate the short- and long-term effect of psychological treatments of pathological gambling and factors relating to treatment outcome. DESIGN AND SETTING This study provides a quantitative meta-analytical review of psychotherapeutic treatments of pathological gambling. Studies were identified by computer search in the PsycINFO and Medline(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)
BACKGROUND AND PURPOSE To estimate prevalence and severity (using the International Restless Legs Syndrome Study Group Rating Scale (IRLS)) and to identify risk factors of restless legs syndrome (RLS). PATIENTS AND METHODS Population-based cross-sectional study; 2005 randomly selected adults 18 years and above participated in a telephone interview in(More)
A representative adult sample (18 years and above) of the Norwegian population, comprising 2001 subjects, participated in telephone interviews, focusing on the one-month point prevalence of insomnia and use of prescribed hypnotics. Employment of DSM-IV inclusion criteria of insomnia yielded a prevalence rate of 11.7%. Logistic regression analysis performed(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)
Several studies show that short self-reported sleep duration is associated with elevated body mass index (BMI). Short sleep duration may change appetite hormones, but whether this also influences metabolic measures like cholesterol and triglycerides is less clear. Furthermore, obesity is linked to increases in blood pressure, and recently, short sleep(More)
PURPOSE To estimate the global lifetime prevalence rate of anabolic-androgenic steroid (AAS) use and investigate moderators of the prevalence rate. METHODS A meta-analysis and meta-regression analysis was performed using studies gathered from searches in PsycINFO, PubMed, ISI Web of Science, and Google Scholar among others. Included were 187 studies that(More)