This study aimed to assess pathological Internet and cell-phone use in college students, and to identify psychological, health, and behavioral correlates. A cross-sectional design was utilized to gather data from 337 students. We developed two measures, termed the Internet Over-use Scale (IOS), and the Cell-Phone Over-Use Scale (COS). Additional measures utilized were the Beck Anxiety Inventory, the Beck Depression Inventory, and the General Health Questionnaire-28. Results provide support for internal consistency of the IOS and the COS (alpha=.88 and alpha=.87, respectively) as well as for construct validity. Logistic regression analyses indicated that heavy Internet use is associated with high anxiety; high cell-phone use is associated to being female, and having high anxiety and insomnia. The developed measures seem to be promising tools for assessing these new behavioral addictions.

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