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Santos, M. P.
|Title:||Obesity, physical activity, computer use, and TV viewing in Portuguese adolescents|
|Abstract:||This study aimed to examine the relationship between obesity status (body mass index: BMI) and physical and sedentary activities in adolescents. The sample comprised 230 girls and 220 boys (14.6 years old, SD=1.6). Physical Activity (PA) was assessed by a questionnaire. Sedentary behaviors, such as TV viewing, computer use, and commuting to and from school were analyzed. Participants were categorized as nonobese or overweight/obese according to age-adapted BMI. No significant differences were found in relation to PA characteristics or in TV watching on weekdays vs. weekends. Nonobese participants spent significantly less time using computers on weekends (p=.04) and weekdays (p=.025) than their overweight/obese counterparts. Logistic regression analysis showed that those who used computers on weekdays more than 4 hrs per day were likely (odds ratio: 5.79; p<.003) to be overweight or obese. This study identified a relationship between computer use, but not physical activity or TV viewing, and weight status among Portuguese adolescents.|
|Scientific areas:||Ciências sociais|
|Document Type:||Artigo em Revista Científica Internacional|
|Appears in Collections:||FADEUP - Artigo em Revista Científica Internacional|
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