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. Author manuscript; available in PMC: 2014 Dec 6.

Published in final edited form as: Subst Use Misuse. 2014 Jul 17;49(14):1908–1919. doi: 10.3109/10826084.2014.935792

TABLE 6.

Parent support latent class growth analysis with distal outcome and covariates

	Past 30 Day Alcohol Use				Binge Drinking in Past 2 Weeks				Past 30 Day Marijuana Use
	Low	LI	HD	HI	Low	LI	HD	HI	Low	LI	HD	HI
Parameter
α₀	2.28 (.21)^**	2.23 (.23)^**	3.67 (.16)^**	4.26 (.16)^**	2.27 (.21)^**	2.22 (.23)	^ 3.67 (.16)^	4.26 (.16)^**	2.36 (.38)^**	2.25 (.23)^**	3.70 (.17)^**	4.29 (.17)^**
α₁	−.09 (.10)	.64 (.11)^**	−.16 (.07)^*	.08 (.06)	−.09 (.09)	.65 (.11)	^** −.16 (.07)^*	.08 (.20)	−.12 (.18)	.63 (.12)^**	−.16 (.08)⁺	.07 (.08)
ζ₀	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00
ζ₁	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00	.00
τ \|	−.60	−.21	−.31	−.37	.70	−.66	−.52	−.18	.63	.25	.33	.86
Shared Coefficients
γ₀ \| Sex	.02 (.06)				.01 (.06)				.01 (.07)
γ₀ \| SES	.00 (.00)				.00 (.00)				.00 (.00)
γ₀ \| Black	.21 (.09)^*				.22 (.08)^**				.21 (.09)^*
γ₀ \| Mixed	−.12 (.31)				−.12 (.26)				.05 (.80)
γ₁ \| Sex	−.01 (.03)				−.01 (.03)				.00 (.03)
γ₁ \| SES	.00 (.00)				.00 (.00)				.00 (.00)
γ₁ \| Black	−.08 (.04)^*				−.08 (.04)^*				−.08 (.04)
γ₁ \| Mixed	−.01 (.10)				−.01 (.09)				.00 (.09)
Comparison	Odds Ratio				Odds Ratio				Odds Ratio
Low vs. LI	1.26				.26				.68^*
Low vs. HD	1.34^*				.30				.74^*
Low vs. HI	1.26^*				.42				1.26^**
LI vs. HD	.90⁺				1.15⁺				1.08^*
LI vs. HI	.85^*				1.62				1.85^**
HD vs. HI	.94^***				1.41^*				1.71^***
Number of subjects (%)	61 (8.2%)	78 (10.4%)	177 (23.6%)	433 (57.7%)	61 (8.1%)	76 (10.3%)	178 (23.7%)	433 (57.8%)	64 (8.6%)	76 (10.1%)	180 (24.1%)	428 (57.2%)
Entropy	.83				.84				.83
Fit Indices
Log likelihood	−3484.82				−3379.11				−3645.85
Bayesian (BIC)	7227.82				7016.41				7549.89

Note: Standard errors in parentheses.

^*

p < .05,

^**

p < .01,

^***

p < .001.

⁺

p = .06.