Résumé
Spread of computer use and various ability of it can affect the life style of people, especially students. The present study was conducted to determine the patterns of computer use among students and their feeling about school and exercises. An analytic cross-sectional study was carried out on 1872 primary, middle and high school students by cluster sampling method in Damavand city. The number of hours that spend for computer in weekdays and weekends and feeling about school and exercises were answered by students in a standard questionnaire. Computer use by boys were significantly more than girls [P=0.0005]. In weekdays, with increasing the educational stage, computer use was increased [p=0.03]. Bad feeling about school and exercises was associated with more computer use in our subjects [p<0.01]. Pediatricians should carry out health education on the number of hours students should spend in front of the computer