Table 5.

Mean and Percent Lesson Time for Student Activity and Lesson Context by and Class Size

	Total (n=211)	<20 (n=47)		20-39 (n=93)		40-59 (n=49)		>60 (n=19)			<20 (n=47)		20-39 (n=93)		40-59 (n=49)		<60 (n=19)
Student Activity		Mean min.	SD	Mean min.	SD	Mean min.	SD	Mean min.	SD	p	Mean %	SD	Mean %	SD	Mean %	SD	Mean %	SD	p
Lying Down	0.64	0.38	0.72	0.39	0.8	0.30	0.61	0.35	0.76	.789	0.88	1.69	0.94	1.98	0.62	1.29	0.79	1.74	.645
Sitting	18.68	8.86	5.99	9.96	6.49	13.21	7.70	15.62	7.8	.005	20.68	13.93	23.28	14.51	27.26	13.70	33.75	15.93	.053
Standing	28.13	17.51	5.4	15.03	5.87	16.41	6.02	15.31	4.91	.645	41.55	12.95	35.33	12.9	36.06	14.61	33.46	9.60	.190
Walking	18.08	10.10	5.01	10.98	4.44	9.83	4.29	7.67	5.50	.403	23.9	11.61	26.25	10.75	21.32	9.62	16.98	12.52	.114
Very Active	10.90	5.44	2.96	5.94	3.02	6.90	3.44	6.74	3.72	.044	12.97	7.44	14.19	7.30	14.74	7.15	15.02	8.35	.356
MVPA	28.98	15.54	5.62	16.92	5.43	16.73	5.55	14.41	6.9	.447	36.87	13.47	40.44	13.60	36.06	12.04	32.00	15.9	.521

Lesson Context
Management	17.73	8.17	4.9	9.12	5.24	13.08	5.55	13.4	7.01	.000	19.44	11.14	21.27	11.57	28.08	11.99	28.77	13.82	.000
Knowledge	11.31	6.65	4.53	6.67	3.86	5.97	3.85	6.51	3.56	.264	15.49	10.54	15.87	9.06	12.55	7.40	14.01	7.14	.032
Fitness	18.52	11.27	11.29	10.28	9.07	9.12	8.78	12.33	10.86	.655	26.65	27.3	24.61	22.11	18.83	16.97	28.21	26.12	.412
Skill	10.35	6.82	9.69	7.29	9.79	2.75	5.61	4.28	8.73	.007	15.63	22.41	17.05	22.99	6.27	12.69	9.40	19.17	.006
Game	15.7	9.34	9.74	7.43	9.35	12.81	10.72	7.04	8.85	.011	22.7	24.59	17.44	21.78	27.43	22.87	14.78	18.61	.003
Free Play	2.83	0.04	0.18	1.51	5.31	2.91	8.20	2.12	9.25	.217	0.09	0.44	3.76	13.33	6.82	19.10	4.82	21.03	.225