Table 3.

Discrete-time hazard model for onset of four or more weeks cocaine abstinence.

	Model 1		Model 2
Predictor	Log-odds	Odds Ratio	Log-odds	Odds Ratio
Week 1	−22.57	0.00	−20.28	0.00
Week 2	−24.21	0.00	−21.62	0.00
Week 3	−24.72	0.00	−22.02	0.00
Week 4	−25.39	0.00	−22.70	0.00
Week 5	−24.64	0.00	−21.88	0.00
Week 6	−24.88	0.00	−22.10	0.00
Week 7	−24.84	0.00	−21.96	0.00
Week 8	−25.21	0.00	−22.24	0.00
Week 9	−25.88	0.00	−22.87	0.00
Years of Cocaine Use			0.04*	1.04
Past 30-Day Cocaine Use			−0.11***	0.89
Baseline Cocaine Result			−1.46***	0.23
Clinical Trial
Petry et al. (2007)			1.02**	2.77
Petry et al. (2002)			−0.04	0.97
Treatment Condition			0.93**	2.53
−2LL	430.25		320.22

Note. Reference categories: Baseline Cocaine Result, negative; Clinical Trial, Petry et al. (2005); Treatment Condition, Standard Treatment.

^*p < .05.

^**p < .01.

^***p < .001.