Physical activity and academic achievement across the curriculum (A + PAAC): rationale and design of a 3-year, cluster-randomized trial

Table 1 Descriptive characteristics of schools participating in the study

	Intervention	Control
Total School Enrollment	369.7 ± 96.6	385 ± 121.9
Total 2^nd and 3^rd Grade Enrollment (N = 1902)	978	924
2^nd and 3^rd 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

ISSN: 1471-2458