TABLE 2.

Variance component estimates and intraclass correlations for MET-minutes of MVPA as a function of the days and waves included in the analysis and whether wave was modeled or ignored. All values are adjusted for ethnicity.

				Component of Variance				School			Wave
Data	Wave	Days	N	School	Wave	Girl	Total	ICC	LCB	UCB	ICC	LCB	UCB
All waves	Modeled	All days	1603	9.1	305	5728	6042	0.002	-0.014	0.034	0.050	0.021	0.096
		Weekdays	1603	70.3	290	7466	7826	0.009	-0.007	0.043	0.037	0.010	0.078
		Weekends	1603	0.0	393	9557	9951	0.000	-0.013	0.028	0.040	0.012	0.081
		Thursday through Sunday	1232	0.0	295	6322	6618	0.000	-0.017	0.034	0.045	0.010	0.096
		Monday	1401	0.0	768	10,365	11,133	0.000	-0.019	0.038	0.069	0.032	0.123
		Tuesday	1024	455.5	0	28,564	29,020	0.016	-0.003	0.054	0.000	-0.029	0.045
		Wednesday	1151	291.8	292	10,606	11,189	0.026	0.003	0.075	0.026	-0.005	0.075
		Thursday	1324	75.9	647	9919	10,641	0.007	-0.013	0.050	0.061	0.025	0.115
		Friday	1512	88.4	331	12,515	12,935	0.007	-0.008	0.037	0.026	0.000	0.065
		Saturday	1603	64.3	573	16,550	17,188	0.004	-0.010	0.033	0.033	0.007	0.073
		Sunday	1603	0.0	225	10,554	10,779	0.000	-0.011	0.023	0.021	-0.002	0.057
	Ignored	All days	1603	136		5897	6033	0.022	0.006	0.056
		Weekdays	1603	191		7627	7818	0.024	0.008	0.059
		Weekends	1603	123		9805	9927	0.012	0.000	0.039
		Thursday through Sunday	1232	29		6545	6574	0.004	-0.008	0.030
		Monday	1401	124		10,938	11,062	0.011	-0.002	0.039
		Tuesday	1024	455		28,564	29,019	0.016	-0.003	0.054
		Wednesday	1151	480		10,724	11,204	0.043	0.017	0.095
		Thursday	1324	383		10,231	10,614	0.036	0.014	0.082
		Friday	1512	215		12,702	12,917	0.017	0.002	0.047
		Saturday	1603	259		16,906	17,165	0.015	0.002	0.043
		Sunday	1603	30		10,730	10,760	0.003	-0.006	0.022
Wave 1	Not applicable	All days	837	300		4996	5296	0.057	0.022	0.125
		Weekdays	837	384		5793	6177	0.062	0.025	0.133
		Weekends	837	214		8357	8571	0.025	0.000	0.074
		Thursday through Sunday	685	49		5360	5409	0.009	-0.014	0.055
		Monday	714	513		7738	8251	0.062	0.022	0.138
		Tuesday	497	966		12,943	13,909	0.069	0.019	0.163
		Wednesday	615	886		8604	9490	0.093	0.041	0.189
		Thursday	727	481		9224	9704	0.050	0.014	0.118
		Friday	795	476		11,946	12,422	0.038	0.008	0.098
		Saturday	837	615		14,869	15,484	0.040	0.010	0.098
		Sunday	837	41		8782	8823	0.005	-0.013	0.041

MET, metabolic equivalent; MVPA, moderate to vigorous physical activity; ICC, intraclass correlation; LCB, lower 95% confidence bound; UCB, upper 95% confidence bound.