Daily physical activity and screen time, but not other sedentary activities, are associated with measures of obesity during childhood

Shoo Thien Lee, Jyh Eiin Wong, Nik Shanita Safii, Mohd Noor Ismail, Paul Deurenberg, Bee Koon Poh

Research output: Contribution to journalArticle

25 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)146-161
Number of pages16
JournalInternational Journal of Environmental Research and Public Health
Volume12
Issue number1
DOIs
Publication statusPublished - 23 Dec 2014

Fingerprint

Pediatric Obesity
Waist Circumference
Exercise
Body Mass Index
Malaysia
Sedentary Lifestyle
Body Height
Child Behavior
Electric Impedance
Ethnic Groups
Adipose Tissue
Body Weight

Keywords

  • Anthropometric indicators
  • Body fat
  • Body mass index
  • Physical activity
  • Screen time
  • Sedentary behaviour
  • Waist circumference

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

Cite this

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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.",
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AU - Poh, Bee Koon

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