Association between objectively measured sedentary behavior and body mass index in preschool children

To determine the association between accelerometry-derived sedentary behavior and body mass index (BMI) z-score in preschool children, and to determine whether the association changed when applying three different accelerometry cutpoints for sedentary behavior. Cross-sectional design. Data came from...

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Bibliographic Details
Published in:International Journal of Obesity 2013-07, Vol.37 (7), p.961-965
Main Authors: BYUN, W, LIU, J, PATE, R. R
Format: Article
Language:English
Subjects:
Accelerometry
Adipose tissues
Analysis
Biological and medical sciences
Body Mass Index
Child Behavior
Child, Preschool
Cross-Sectional Studies
Educational Status
Exercise
Female
General aspects
Health Behavior
Humans
Longitudinal studies
Male
Medical sciences
Metabolic diseases
Obesity
Obesity - epidemiology
Obesity - prevention & control
Obesity in children
Physiological aspects
Prevalence
Prevalence studies (Epidemiology)
Risk Factors
Schools
Sedentary behavior
Sedentary Lifestyle
Time Factors
United States - epidemiology
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Summary:To determine the association between accelerometry-derived sedentary behavior and body mass index (BMI) z-score in preschool children, and to determine whether the association changed when applying three different accelerometry cutpoints for sedentary behavior. Cross-sectional design. Data came from two completed studies: Children's Activity and Movement in Preschool Study (CHAMPS) and the Environmental Determinants of Physical Activity in Preschool Children (EDPAPC) study. Children of ages 3-5 years with complete data on sedentary behavior, BMI z-score, physical activity and other covariates were included in the analyses (N=263 in CHAMPS and N=155 in EDPAPC). Accelerometry data were summarized as time spent in sedentary behavior (min h(-1)) using three different cutpoints developed specifically for preschool children (
ISSN:0307-0565
1476-5497
DOI:10.1038/ijo.2012.222