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Scand J Psychol. 2009 Apr;50(2):121-7. doi: 10.1111/j.1467-9450.2008.00685.x.

Internet addiction among Norwegian adults: a stratified probability sample study.

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  • 1SINTEF Health Research, Department of Epidemiology, Abels gate 5 Trondheim 7465, Norway. inger.bakken@sintef.no

Abstract

Most Norwegians are Internet users. We conducted a stratified probability sample study (Norway, 2007, age-group 16-74 years, N= 3,399, response rate 35.3%, 87.1% Internet users) to assess the prevalence of Internet addiction and at-risk Internet use by the Young Diagnostic Questionnaire (YDQ). The prevalence of Internet addiction (YDQ score 5-8) was 1.0% and an additional 5.2% were at-risk Internet users (YDQ score 3-4). Internet addiction and at-risk Internet use was strongly dependent on gender and age with highest prevalences among young males (16-29 years 4.1% and 19.0%, 30-39 years 3.3% and 10.7%). Logistic regression showed that male gender, young age, university level education, and an unsatisfactory financial situation were factors positively associated with "problematic Internet use" (at-risk and addicted use combined). Time spent on the Internet and prevalence of self-reported sleeping disorders, depression, and other psychological impairments increased linearly with YDQ score. Problematic Internet use clearly affects the lives of many people.

PMID:
18826420
[PubMed - indexed for MEDLINE]
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