Abstract:
BACKGROUND:The use of electronic media has been found to be a risk factor for higher BMI and for being overweight. Physical activity has been found to be associated with lower BMI and lower risk for being overweight. Little is known about whether the associations between physical activity and electronic media use are additive or interactive in predicting BMI and risk for overweight among adolescents. METHODS:The data used in this study stem from the 2009/2010 survey of "Health Behaviour in School-aged Children (HBSC) study: A WHO Cross-National Survey. The sample consisted of 107184 13 and 15 year students from 30 different countries. Multilevel regression models were used to produce the presented estimates. RESULTS:Overall, 18% of boys and 11% of girls were classified as overweight. EM use was found to be associated with increased BMI z-scores and odds for overweight among both boys and girls who did not comply with physical activity guidelines. Among physically active adolescents, EM was found to be significantly associated with BMI or odds for overweight among girls, but not among boys. CONCLUSION:While the usage of EM appear to be inconsequential for BMI and the risk of overweight among physically active boys, we find evidence indicating that EM use is associated with BMI and risk for overweight among girls, including those who report complying with MVPA guidelines.
journal_name
BMC Public Healthjournal_title
BMC public healthauthors
Melkevik O,Haug E,Rasmussen M,Fismen AS,Wold B,Borraccino A,Sigmund E,Balazsi R,Bucksch J,Inchley J,de Matos MG,Samdal Odoi
10.1186/s12889-015-1810-6subject
Has Abstractpub_date
2015-05-19 00:00:00pages
497issn
1471-2458pii
10.1186/s12889-015-1810-6journal_volume
15pub_type
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