Table 4.

Comparison of unweighted (RCT sample effect) and weighted (population effect) regression coefficients of treatment effect on self-reported days of abstinence in the past 30 day

Abstinence
	OR	95%CI		p	Comparison of the effect estimates from the unweighted and weighted models
CTN1
Unweighted	6.47	1.60	11.35	.01
Weighted	0.58	−3.82	4.98	.79	F(1, 225)=2.67, p=.10
CTN2
Unweighted	3.07	−1.77	7.90	.21
Weighted	13.10	5.82	20.37	<.01	F(1, 459)=4.95, p=.03
CTN3
Unweighted	0.63	−1.75	3.00	.61
Weighted	3.92	−1.31	9.15	.14	F(1, 1031)=1.28, p=.26
CTN4
Unweighted	−2.52	−4.26	−0.79	<.01
Weighted	−3.02	−6.98	0.94	.14	F(1, 921)=0.05, p=.82
CTN5
Unweighted	−0.84	−2.88	1.20	.42
Weighted	1.31	−5.57	8.20	.71	F(1, 845)=0.35, p=.55
CTN6
Unweighted	0.16	−1.36	1.68	.83
Weighted	2.53	−0.34	5.41	.08	F(1, 907)=2.07, p=.15
CTN7
Unweighted	0.26	−1.34	1.87	.75
Weighted	−0.12	−1.89	1.66	.90	F(1, 788)=0.10, p=.75
CTN10
Unweighted	−0.94	−5.44	3.57	.68
Weighted	−3.38	−5.57	−1.19	<.01	F(1, 307)=0.96, p=.33
CTN13
Unweighted	0.72	−2.35	3.78	.64
Weighted	1.70	−4.06	7.46	.56	F(1, 399)=0.09, p=.77
CTN30
Unweighted	−1.79	−3.37	−0.20	.03
Weighted	0.85	−4.08	5.78	.74	F(1, 1305)=1.00, p=.32