Table 2. Confirmatory Factor Analysis Estimates and Standard Errors for a Two Factor Longitudinal CFA Model.

	Wave 1			Wave 2
Factors	Estimate	S.E.	Standar-dized Estimate	Estimate	S.E.	Standar-dized Estimate
Substance use risk factor
Any alcohol	1.004	0.022	0.89	1.010	0.035	0.87
Any cigarettes	1.000*		0.89	1.000*		0.86
Any marijuana	1.035	0.031	0.91	1.081	0.041	0.93
Health risk factor
No of days eat fast food	0.605	0.047	0.64	0.646	0.036	0.70
No of days drink soda	1.000*		0.78	1.000*		0.80
Weekly computer/video hours	0.646	0.043	0.40	0.664	0.044	0.39

*Constrained for identification.