Association of internet addiction in high school students with ADHD and tobacco/alcohol use -

Objective: Our study aims at assessing the association between internet addiction (IA) and attention deficit hyperactivity disorder (ADHD) and tobacco and alcohol use/experimentation in high school students living in the province of Zonguldak. Method: The study included 771 students enrolled in three high schools. They were assessed with a sociodemographic data form prepared by the researchers, the Chen Internet Addiction Scale (CIAS), and the Adult Attention Deficit Disorder/Attention Deficit Hyperactivity Disorder (ADD/ADHD) Diagnostic and Assessment Inventory based on the DSM-IV. Results: In 61 cases (7.9%), IA was established, in 90 cases (11.7%) ADHD. Of the cases with IA, 40 (65.6%) were male, 21 (34.4%) female. Internet access from home (p