تحميل...
Physical Education in Elementary School and Body Mass Index: Evidence from the Early Childhood Longitudinal Study
Objectives. We examined the effect of physical education instruction time on body mass index (BMI) change in elementary school. Methods. We examined data from a national sample of 9751 kindergartners in the United States who were reported on for 2 years. We used a difference-in-differences approach...
محفوظ في:
| المؤلفون الرئيسيون: | , |
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| التنسيق: | Artigo |
| اللغة: | Inglês |
| منشور في: |
© American Journal of Public Health 2004
2004
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| الموضوعات: | |
| الوصول للمادة أونلاين: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1448481/ https://ncbi.nlm.nih.gov/pubmed/15333302 |
| الوسوم: |
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