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Pubertal development and screen time among South Korean adolescents:testing body mass index and psychological wellbeing as mediators

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Global Health Research and Policy 2016年第1期1卷 168-176页

作者： Eun-Young Lee John CSpence 1-149 Van Vliet Complex Faculty of Physical Education and RecreationUniversity of AlbertaEdmontonAB T6G 2H9Canada 3-113 Van Vliet Complex Faculty of Physical Education and RecreationUniversity of AlbertaEdmontonAB T6G 2H9Canada

Background:This study tested links between pubertal development and screen time among South Korean adolescent boys and ***:Secondary analysis was conducted on data from the Korean Children and Youth Panel Study(kcyps)involving 2071 adolescents(age M=13.14 years).Body mass index(BMI)at Grade 8(baseline),self-esteem and depression at Grade 9 were examined as mediators of the relationship between pubertal development and screen time after adjusting for household income and academic *** equation modeling was used to assess direct and indirect pathways between pubertal development at Grade 8 and screen time at Grade ***:No direct effect of pubertal development on screen time was ***,an indirect effect existed for boys from pubertal development to screen time through *** pubertal development predicted higher BMI,and in turn,higher BMI predicted more time spent in screen *** girls,pubertal development negatively predicted BMI;however,no mediation effect of BMI between pubertal development and screen time was *** mediation effect of self-esteem or depression was found among boys or ***:Pubertal development appears to have an indirect influence on screen time through BMI for South Korean *** studies examining potential pathways between pubertal development and sedentary behavior are needed to build on these findings.

关键词： Puberty Longitudinal study Depression Self-esteem kcyps

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