Religion, Acculturation, and Incarceration: Determinants of Substance Use among Hispanic Adults in the United States

Table 3

Receiver operator curve (ROC) analysis of substance use logistic regression models^a.

	Lifetime substance use		Substance use in past year		Substance use in past month
	Area under curve	Gain in AUC	Area under curve	Gain in AUC	Area under curve	Gain in AUC
No variables (random)	0.5		0.5		0.5
Adding demographics	0.615	0.115	0.684	0.184	0.681	0.181
Adding socioeconomic status	0.641	0.026	0.692	0.008	0.689	0.008
Adding major depressive episode	0.667	0.026	0.710	0.018	0.696	0.007
Adding religious influence in life	0.675	0.008	0.727	0.017	0.715	0.019
Adding acculturation	0.706	0.031	0.744	0.017	0.739	0.024
Adding incarceration	0.745	0.039	0.762	0.018	0.762	0.023

^aResults from successively adding in each block of variables. The final result represents the full models shown in Table 2.