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Int. J. Environ. Res. Public Health 2015, 12(1), 146-161; doi:10.3390/ijerph120100146

Daily Physical Activity and Screen Time, but Not Other Sedentary Activities, Are Associated with Measures of Obesity during Childhood

1
School of Healthcare Sciences, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Malaysia
2
School of Hospitality, Tourism and Culinary Arts, Taylor's University, Subang Jaya 47500, Malaysia
3
Nutrition Consultant, Telaga Harbour Park, Lot 1, 07000 Langkawi, Malaysia
4
National Coordinator (Malaysia), the SEANUTS Study Group, 50300 Kuala Lumpur, Malaysia
*
Author to whom correspondence should be addressed.
Academic Editor: Andrew P. Hills
Received: 31 October 2014 / Accepted: 15 December 2014 / Published: 23 December 2014
(This article belongs to the Special Issue Childhood Obesity: Novel Approaches to a Global Problem)
View Full-Text   |   Download PDF [824 KB, uploaded 23 December 2014]

Abstract

Childhood obesity is related to low physical activity level and a sedentary lifestyle. The aim of this study was to assess the physical activity level and sedentary behaviour of Malaysian children aged 7 to 12 years and to examine their association with body mass index (BMI), BMI-for-age Z-score (BAZ), body fatness (%BF) and waist circumference (WC). A total of 1736 children, representing all ethnic groups were recruited from six regions of Malaysia. Anthropometric measurements included body weight, height and waist circumference. Body fat percentage (%BF) was assessed using bioelectrical impedance. Physical activity was assessed by a physical activity questionnaire (PAQ) in all children and by pedometers in a subsample (n = 514). PAQ score and pedometer step counts were negatively associated with BMI, BAZ, %BF and WC after adjusting for covariates. Screen time was positively associated with BAZ and WC. However, other sedentary activities were not significantly related with any anthropometric indicators. Strategies to promote active living among children in Malaysia should focus not only on increasing physical activity but also emphasise reduction in sedentary behaviours. View Full-Text
Keywords: anthropometric indicators; body fat; body mass index; physical activity; screen time; sedentary behaviour; waist circumference anthropometric indicators; body fat; body mass index; physical activity; screen time; sedentary behaviour; waist circumference
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lee, S.T.; Wong, J.E.; Shanita, S.N.; Ismail, M.N.; Deurenberg, P.; Poh, B.K. Daily Physical Activity and Screen Time, but Not Other Sedentary Activities, Are Associated with Measures of Obesity during Childhood. Int. J. Environ. Res. Public Health 2015, 12, 146-161.

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