期刊
JOURNAL OF PHYSICAL ACTIVITY & HEALTH
卷 6, 期 3, 页码 289-298出版社
HUMAN KINETICS PUBL INC
DOI: 10.1123/jpah.6.3.289
关键词
youth; prospective; accelerometer; inequality; behavioral science
Background: This study aimed to examine cross-sectional and longitudinal associations between socioeconomic position (SEP) and physical activity and sedentary behaviors among children and adolescents. Methods: Maternal education was reported by parents of 184 children 5 to 6 years old and 358 children 10 to 12 years old in 2001. In 2001 and 2004, physical activity was assessed by accelerometry. Older children self-reported and parents of younger children proxy-reported physical activity and TV-viewing behaviors. Linear regression was used to predict physical activity and sedentary behaviors, and changes in these behaviors, from maternal education. Results: Among all children, accelerometer-determined and self- or parent-reported moderate and vigorous physical activity declined over 3 years. Girls of higher SEP demonstrated greater decreases in TV-viewing behaviors than those of low SEP. In general, no prospective associations were evident between SEP and objectively assessed physical activity. A small number of prospective associations were noted between SEP and self-reported physical activity, but these were generally weak and inconsistent in direction. Conclusions: This study did not find strong evidence that maternal education was cross-sectionally or longitudinally predictive of children's physical activity or sedentary behaviors. Given the well-documented inverse relationship of SEP with physical activity levels in adult samples, the findings suggest that such disparities might emerge after adolescence.
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