Table 3.

Hierarchical Logistic Regression Analyses of Africentric Values, Ethnic Identity Dimensions, and Their Interaction on Substance Use Abstinence of Cigarettes, Marijuana, and Alcohol Among African American Adolescent Girls (N = 196).

	Cigarettes				Marijuana				Alcohol
Variable	B	SE	OR	95% Cl	B	SE	OR	95% Cl	B	SE	OR	95% Cl
Step 1
Grade	−1.15	.25	0.31	[0.19, 0.51]*	−0.78	.22	0.45	[0.29, 0.70]*	−0.25	.19	0.77	[0.53, 1.14]
Step 2
Grad	−1.25	.26	0.28	[0.16, 0.48]*	−0.76	.22	0.46	[0.29, 0.72]*	−0.23	.20	0.79	[0.53,1.17]
Africentric values	−0.06	.03	0.94	[0.98, 0.99]*	−0.03	.02	0.96	[0.92, 1.01]	−0.06	.02	0.94	[0.90, 0.99]*
Ethnic identity exploration	−0.07	.05	0.92	[0.82, 1.03]	−0.1 1	.07	0.89	[0.77, 1.02]	−0.02	.06	0.98	[0.86, 1.12]
Ethnic identity commitment	0.15	.07	1.16	[1.00, 1.34]	−0.04	.05	0.95	[0.86, 1.06]	−0.05	.05	0.94	[0.85, 1.05]
Step 3
Grade	−0.41	.18	0.67	[0.46, 0.95]*	−0.75	.22	0.47	[0.30, 0.73]*	0.19	.16	0.83	[0.59, 1.14]
Africentric values	0.13	.15	1.14	[0.85, 1.52]	−0.13	.14	0.87	[0.66, 1.14]	−0.21	.14	0.81	[0.61, 1.06]
Ethnic identity exploration	−0.79	.44	0.45	[0.19, 1.07]	−0.23	.39	0.78	[0.36, 1.69]	−0.94	.42	0.39	[0.16, 0.90]
Ethnic identity commitment	0.42	.35	1.52	[0.76, 3.02]	−0.1 1	.32	0.89	[0.47, 1.68]	0.34	.32	1.41	[0.74, 2.69]
Africentric × Exploration	0.03	.01	1.03	[1.00, 1.06]	0.01	.01	1.00	[0.97, 1.01]	0.02	.01	1.03	[1.00, 1.05]*
Africentric × Commitment	0.02	.01	1.01	[0.99, 1.03]	0.00	.01	1.00	[0.98, 1.02]	−0.01	.01	0.98	[0.96, 1.00]
Step 1a pseudo R2	.17, p = <.01, p < .01				.09, p < .01				.01, p = ns
Step 2a pseudo R2	.23, p < .01, ΔR2 = .06, p = .01				.17, p < .02, ΔR2 = .08, p = .01				.07, p < .02, ΔR2 = .06, p = .02
Step 3a pseudo R2	.26, p < .01, ΔR2 = .03, p ≤ .01				.18, p < .01, ΔR2 = .01, p < .01				.12, p = .01, ΔR2 = .05, p = .02

Note: SE = standard error; Cl = confidence interval; OR = odds ratio; ns = nonsignificant.

^aNagelkerke R².

^*p < .02.