. Author manuscript; available in PMC: 2012 Aug 17.

Published in final edited form as: Cultur Divers Ethnic Minor Psychol. 2011 Oct;17(4):357–365. doi: 10.1037/a0025437

Table A1.

Fitted Longitudinal Model of Primary Substance Use Across 16 Study Weeks

Effect	Coefficient	SE	p
Intercept	2.552	0.159	<.001
TRT	−0.174	0.244	.475
TIMEMIN	−2.336	0.119	<.001
TIMEMAX	0.0246	0.00948	.0096
POST8	0.127	0.0960	.188
TRT*TIMEMIN	0.738	0.174	<.001
TRT*POST	−0.495	0.089	<.001

Note. TRT (1:MET, 0:CAU); TIMEMIN = min(1, time), time measured in weeks; TIMEMAX = max(1, time); POST8 indicator for long-term follow-up (1: time > 8 weeks, 0: time ≤ 8 weeks).