TABLE 3.

Final Cox Regression Model testing the effect of marijuana use by treatment interaction on treatment retention

Variables	B (SE)	Wald Chi-Square	Sig	HR (95% CI)
Treatment	−0.390 (.36)	1.17	0.761	0.68 (.33; 1.37)
Baseline opioid use (Bags per day)	0.045 (.05)	.83	0.30	1.05 (.95; 1.15)
Cocaine Use during treatment	0.030 (.50)	0.00	0.95	1.03 (.39; 2.72)
Intermittent cannabis use during-treatment	−1.46 (.46)	10.24	0.001	.23 (.09; .57)
Consistent cannabis use during treatment	0.351 (.54)	0.65	0.516	1.42 (.49; 4.1)
Treatment × Consistent Use	−1.32 (.65)	4.1	0.044	–