Table 5.

Differences among substance use latent classes on risk factors

	Mean	SE	Comparison	Chi-square	p value*
SF-12 MCS
Class 1	36.567	1.770	Overall test	21.813	< .001
Class 2	43.441	1.410	1 vs 2	8.662	0.018
Class 3	45.322	0.607	1 vs 3	21.303	< .001
			2 vs 3	1.424	0.932
PHQ-9 depression
Class 1	12.601	1.302	Overall test	13.946	0.001
Class 2	7.743	0.728	1 vs 2	9.978	0.014
Class 3	7.530	0.323	1 vs 3	13.945	< .001
			2 vs 3	0.068	0.932
GAD-7 anxiety
Class 1	8.148	0.797	Overall test	17.781	< .001
Class 2	4.326	0.455	1 vs 2	16.332	< .001
Class 3	4.754	0.234	1 vs 3	16.266	< .001
			2 vs 3	0.664	0.932
PTSD
Class 1	0.542	0.086	Overall test	19.606	< .001
Class 2	0.420	0.058	1 vs 2	1.312	0.932
Class 3	0.231	0.023	1 vs 3	12.000	0.008
			2 vs 3	8.843	0.018
Financial hardship
Class 1	0.601	0.086	Overall test	8.610	0.014
Class 2	0.528	0.059	1 vs 2	0.463	0.496
Class 3	0.393	0.026	1 vs 3	5.236	0.066
			2 vs 3	4.154	0.084
Current homelessness
Class 1	0.586	0.085	Overall test	12.180	0.002
Class 2	0.536	0.058	1 vs 2	0.219	0.640
Class 3	0.362	0.026	1 vs 3	6.204	0.026
			2 vs 3	7.056	0.024
Recent incarceration
Class 1	0.180	0.065	Overall test	4.600	0.100
Class 2	0.158	0.043	1 vs 2	0.072	0.788
Class 3	0.082	0.015	1 vs 3	2.109	0.306
			2 vs 3	2.676	0.306

*Pairwise comparison p values were adjusted for multiple comparisons using the Holm [52] method