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Int J Obes Relat Metab Disord. 2004 Apr;28(4):483-93.

School-based obesity prevention in Chilean primary school children: methodology and evaluation of a controlled study.

Author information

1
Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Casilla 138-11, Santiago, Chile. jkain@inta.cl

Abstract

OBJECTIVE:

To assess the impact of a 6 months nutrition education and physical activity intervention on primary school children through changes in adiposity and physical fitness.

DESIGN:

Longitudinal school-based controlled evaluation study.

SUBJECTS:

Children from 1st to 8th grade, 2141 in intervention and 945 in control schools.

INTERVENTION:

Nutrition education for children and parents, 'healthier' kiosks, 90 min of additional physical activity (PA) weekly, behavioral PA program and active recess.

MEASUREMENTS:

Adiposity indices (BMI, BMI Z-score, triceps skinfold thickness (TSF), waist circumference and physical fitness (20 m shuttle run test and lower back flexibility).

RESULTS:

Positive effect on adiposity indices (except TSF) was observed in boys (P<0.001 for BMI Z), while both physical fitness parameters increased significantly in both boys (P<0.001 for each test) and girls (P<0.0001 for each test). A differential effect in BMI Z was observed according to baseline nutritional status.

CONCLUSIONS:

This intervention showed a robust effect on physical fitness in both genders and decreased adiposity only in boys.

PMID:
14993915
DOI:
10.1038/sj.ijo.0802611
[Indexed for MEDLINE]
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