Table 7.

Self-reported abstinence between groups and with the corresponding logistic regression.

Abstinence at follow-up	beta	SE	t	P	ORa (95% CI)
(Intercept)	0.04	0.02	1.88	.06
Arm 1 vs arm 3	0.76	0.61	1.25	.21	2.14 (0.86-5.30)
Arm 2 vs arm 3	-0.80	0.88	-0.91	.36	0.45 (0.11-1.78)
(Intercept)	-2.34	0.33	-7.07	<.001
Arm 2 vs arm 1	-1.56	0.79	-1.98	.05 b	0.21(0.02-2.33)

^aOdds ratio (OR).

^bBorderline significant difference is shown in italics.