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Prev Med. 2003 Dec;37(6 Pt 2):S62-9.

The effects of the Pathways Obesity Prevention Program on physical activity in American Indian children.

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  • 1Department of Nutritional Sciences, University of Arizona, Tucson, AZ 85721, USA. going@u.arizona.edu

Abstract

BACKGROUND:

Inadequate opportunities for physical activity at school and overall low levels of activity contribute to the high prevalence of overweight and obesity in American-Indian children.

METHODS:

A school-based physical activity intervention was implemented which emphasized increasing the frequency and quality of physical education (PE) classes and activity breaks. Changes in physical activity were assessed using the TriTrac-R3D accelerometer in a subsample of 580 of the students (34%) randomly selected from the Pathways study cohort. Baseline measures were completed with children in second grade. Follow-up measurements were obtained in the spring of the fifth grade.

RESULTS:

Intervention schools were more active (+6.3 to +27.2%) than control schools at three of the four sites, although the overall difference between intervention and control schools (approximately 10%) was not significant (P>0.05). Boys were more active than girls by 17 to 21% (P < or =.01) at both baseline and follow-up.

CONCLUSIONS:

Despite the trend for greater physical activity at three of four study sites, and an overall difference of approximately 10% between intervention and control schools, high variability in accelerometer AVM and the opportunity to measure physical activity on only 1 day resulted in a the failure to detect the difference as significant.

PMID:
14636810
[PubMed - indexed for MEDLINE]
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