Abstract
Less is known about how compliance with 24-hour movement guidelines for physical activity (PA), sedentary behavior, and sleep affects adiposity in young people. The purposes of this study were to compare compliance with 24-hour movement guidelines in Asian adolescents and to examine the associations between compliance with 24-hour movement guidelines and body fat percentage. A sample of 12590 adolescents aged 13.63 (± 1.01) years from eight Asian metropolitan cities including Bangkok (Thailand), Hong Kong SAR, Kuala Lumpur (Malaysia), Seoul (South Korea), Shanghai (China), Singapore, Taipei (Taiwan), and Tokyo (Japan) completed interviewer-administered questionnaires to assess moderate-to-vigorous PA, recreational screen time, sleep duration, and covariates. Body fat percentage was measured using bioelectrical impedance analysis. We found that compliance with 24-hour movement guidelines differed in Asian adolescents across the eight cities. Adjusting for covariates, there was a negative association between number of the guidelines being met and body fat percentage in Asian adolescents. In addition, meeting only the sleep guideline and both the PA and sleep guidelines had negative associations with body fat percentage compared with no guidelines being met. Our findings improve the understanding about how compliance with 24-hour movement guidelines benefit a healthy body weight in adolescents, as well as contribute to development of evidence-based 24-hour movement guidelines for Asian young people. Future research is needed to gain better insights into the directionality of the associations between compliance with 24-hour movement guidelines and adiposity, as well as the mechanisms underlying the associations in Asian adolescents.
Highlights
IntroductionThe number of obese children and adolescents aged 5-19 years has increased from 11 million in 1975 to 124 million in 2016 [2]
Adolescent obesity is one of the most prevalent health issues around the world [1]
Meeting only the sleep duration guideline and both the physical activity (PA) and sleep duration guidelines had negative associations with body fat percentage compared with no guidelines being met
Summary
The number of obese children and adolescents aged 5-19 years has increased from 11 million in 1975 to 124 million in 2016 [2]. Despite the adverse physical and mental health consequences, overweight and obesity is largely preventable in adolescence [2, 7]. Recent research suggests that physical activity (PA), recreational screentime, and sleep duration are codependent behaviours that being in a movement behaviour continuum in a 24-hour period. It is unknown about compliance with the 24-hour movement guidelines in Asian adolescents, and how these movement behaviours collectively affect overweight and obesity in adolescents. The purposes of this study were to compare compliance with the 24-movement guidelines in Asian adolescents, as well as to examine the association between meeting the 24-hour movement guidelines and body fat percentage
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