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Table 1 Group Stratification

From: The effect of an unstructured, moderate to vigorous, before-school physical activity program in elementary school children on academics, behavior, and health

Group A

Week 0

Physical Activity Program

Week 12

 

tests and measures

3 days/week

tests and measures

Group B

Week 0

No Physical Activity Program

Week 12

 

tests and measures

 

tests and measures