Table 1.

Descriptive Characteristics of Participating Schools

	Total (n=211)		3rd Grade (n=74)		4th Grade (n=72)		5th Grade (n=65)
Teacher Gender	Total	%	Total	%	Total	%	Total	%
Male	60	28.4	23	31.1	22	30.6	15	23.1
Female	148	70.1	50	67.6	50	69.4	48	73.8
Both	2	0.9	1	1.4	0	0	1	9.2
Lesson Location
Indoor	145	68.7	49	66.2	51	70.8	45	69.2
Outdoor	32	15.2	13	17.6	10	13.9	9	13.8
Both	32	15.2	11	14.9	11	15.3	10	15.4
Class Size
< 20	47	22.3	15	20.3	15	20.8	17	26.2
20-39	93	44.1	35	47.3	33	45.8	25	38.5
40-59	49	23.2	17	23	15	20.8	17	26.2
>60	19	9	7	9.5	9	12.5	3	4.6
Lesson Length
0-19 min.	0	0	0	0	1	1.4	0	0
20-29 min.	1	0.5	0	0	10	13.9	0	0
30-39 min.	39	18.5	17	23	51	70.8	12	18.5
40-49 min.	148	70.1	50	67.6	9	12.5	47	72.3
50-59 min.	22	10.4	7	9.5	1	1.4	6	9.2
> 60 min.	1	0.5	0	0	0	0	0	0
Teacher Type
PE Specialist	208	98.6	72	97.3	72	100	64	98.5
Other	2	0.9	2	2.7	0	0	0	0

Lesson Length	Mean	SD	Mean	SD	Mean	SD	Mean	SD
	43.61	5.37	43.19	5.29	44.14	5.65	43.52	5.15