Table 2.

Generalized Structural Equation Regression Mixture Model Results of HRQoL

	Characteristic Responsive			Pharmacotherapy Responsive
Variables	β	se	p-value	β	se	p-value
Shape Parameters
Constant	2.642	0.847	0.002	0.820	0.102	<0.001
Linear Trend	−0.055	0.048	0.251	0.018	0.008	0.039
Quadratic Term	0.001	0.004	0.740	−0.001	0.001	0.172
Pharmacotherapy received
Buprenorphine-Naloxone	−0.041	0.196	0.835	0.058	0.022	0.009
Extended-Release Naltrexone	0.091	0.180	0.613	0.067	0.022	0.003
Preference for Received Pharmacotherapy
Preferred	−0.307	0.167	0.066	−0.021	0.023	0.363
Neutral	−0.106	0.234	0.650	0.008	0.021	0.702
Baseline Variables
Intravenous Drug Use	−0.188	0.231	0.415	0.013	0.022	0.556
Average Age	−0.022	0.008	0.008	0.000	0.001	0.953
Female	0.098	0.131	0.454	−0.009	0.019	0.629
White Race	0.611	0.161	<0.001	−0.026	0.019	0.176
Medicaid	1.323	0.191	<0.001	−0.039	0.019	0.040
High School Education	−0.384	0.262	0.143	0.031	0.020	0.115
Married	1.132	0.125	<0.001	−0.066	0.040	0.099
Initial HRQoL Value	0.564	0.195	0.004	0.173	0.063	0.006
Motivation Index	−0.449	0.092	<0.001	0.007	0.010	0.469
Addiction Severity Index Measures
Medical	−0.063	0.176	0.718	−0.080	0.033	0.015
Employment	0.185	0.196	0.346	−0.069	0.029	0.016
Alcohol	−0.244	0.191	0.202	0.004	0.041	0.931
Drug	1.269	0.885	0.152	−0.294	0.105	0.005
Legal	0.662	0.378	0.080	−0.022	0.041	0.586
Family/Social	−0.656	0.228	0.004	0.037	0.030	0.229
Psychiatric	−0.183	0.038	<0.001	−0.157	0.045	0.001
N (total)	2,622
N(censored)	1,508
N (uncensored)	1,114

HRQoL = Health Related Quality-of-life

Notes: Site fixed effects included in model but not reported in table. Standard errors are clustered at the participant level. Pharmacotherapy received is dichotomous and refers to the past 30 days.