Table 1

Descriptive characteristics of schools participating in the study
Intervention Control
Total School Enrollment 369.7 ± 96.6 385 ± 121.9
Total 2nd and 3rd Grade Enrollment (N = 1902) 978 924
2nd and 3rd Grade Class Size 22.5 ± 5.3 20.4 ± 2.6
Urban/Rural Schools (n/n) 6/3 6/2
Minority (%) 23.8 30.2
Free/reduced lunches (%) 35.3 42.5

Values are N’s or mean ± standard deviation.

Donnelly et al.

Donnelly et al. BMC Public Health 2013 13:307   doi:10.1186/1471-2458-13-307

Open Data