Research Article

Comparative Effectiveness of After-School Programs to Increase Physical Activity

Table 2

Between-group comparison of baseline and process measures.

Community ASP ( )School-based ASP ( )
Mean/%SDMinMaxMean/%SDMinMax

Child characteristics
 Male43%25%0.100.44
 Hispanic ethnicity26%11%0.100.45
  Black47%31%0.140.57
  White26%56%0.0050.027
 Age at baseline (yrs)8.791.675.5712.087.961.555.4510.340.0230.12
 BMI percentile**74.7423.608.4099.6073.8721.0311.6099.400.861.00
 Body fat percentage29.2611.275.8054.3029.928.0815.9048.600.771.00
 Fitness ( mile run time in min)6.291.094.239.416.081.134.238.510.400.99

Process measures
 Waves of data collection per child2.830.521.003.002.920.371.003.000.400.94
 Minutes activity monitor worn per measurement period108.7420.3757.60143.00105.8327.0233.20149.250.591.00

To control for multiple testing we show the raw probability of alpha along with a bootstrap simultaneous alpha based on 100,000 resamples with replacement.
**Underweight: 5th percentile; healthy weight: 5th to 85th percentile; overweight: 85th to 95th percentile; obese: 95th percentile.