Prevalence of musculoskeletal pain in adolescents and association with computer and videogame use.

Objective: This study investigated the presence of musculoskeletal symptoms in high school adolescents from public schools and its association with electronic device use.

Methods: The sample consisted of 961 boys and girls aged 14-19 years who answered a questionnaire regarding the use of computers and electronic games, and questions about pain symptoms and physical activity. Furthermore, anthropometric assessments of all volunteers were performed.

Prevalence of headache in adolescents and association with use of computer and videogames.

The aim of this study was to determine the prevalence of headache in adolescents and its association with excessive use of electronic devices and games. The sample comprised 954 adolescents of both sexes (14 to 19 years) who answered a questionnaire about use of computers and electronic games, presence of headache and physical activity. The binary and multinomial logistic regression, with significance level of 5% was used for inferential analysis.