Table 6.

Log Odds Coefficients and Odds Ratio for Cigarette Use Initiation Groups with Gender, Family SES, and Risk Factors

		Model 1			Model 2			Model 3
		Early Adolescent Risk			Mid Adolescent Risk			Late Adolescent Risk
Initiation Groups	Effect	Logit	Odds ratio	95% CI	Logit	Odds ratio	95% CI	Logit	Odds ratio	95% CI
Early Adolescent Initiators (21.2%)	Male	0.698**	2.010	1.225, 3.297
	Family SES	−0.029	0.972	0.804, 1.175
	Social	−0.008	0.934	0.820, 1.200
	Attitudinal	0.180*	1.197	1.030, 1.390
	Intrapersonal	0.242**	1.274	1.104, 1.470
Mid Adolescent Initiators (21.4%)	Male	0.600*	1.822	1.131, 2.933	0.757**	2.131	1.286, 3.532
	Family SES	0.004	1.004	0.838, 1.204	0.158	1.172	0.962, 1.428
	Social	−0.071	0.932	0.773, 1.124	0.216**	1.241	1.072, 1.437
	Attitudinal	0.050	1.052	0.901, 1.227	0.047	1.049	0.941, 1.168
	Intrapersonal	0.189**	1.208	1.048, 1.392	0.067	1.069	0.953, 1.199
	Racial	--	--	--	0.074	1.076	0.984, 1.177
	Discrimination
Late Adolescent Initiators (10.0%)	Male	1.289***	3.628	1.885,6.982	1.309***	3.702	1.914, 7.157	1.510***	4.526	2.264, 9.046
	Family SES	0.177	1.193	0.937, 1.519	0.156	1.169	0.907, 1.505	0.260*	1.297	1.037, 1.622
	Social	−0.126	0.882	0.679, 1.144	0.106	1.111	0.909, 1.359	0.126	1.135	0.913, 1.410
	Attitudinal	0.031	1.031	0.836, 1.272	0.066	1.068	0.921, 1.239	−0.200	0.819	0.671, 1.001
	Intrapersonal	0.078	1.081	0.889, 1.315	−0.046	0.955	0.816, 1.117	0.118	1.125	0.971, 1.304
	Racial	--	--	--	0.044	1.045	0.928, 1.176	0.040	1.041	0.923, 1.174
	Discrimination
	Nagelkerke R2	.157			.189			.157

Note: reference group is abstainers. Model based on early adolescent risk factors (N = 500); Model based on mid adolescent risk factors (N=394); Model based on late adolescent risk factors (N=287)

^*p < .05.

^**p < .01.

^***p < .001.CI: confidence interval.