. Author manuscript; available in PMC: 2012 Mar 1.

Published in final edited form as: Am J Prev Med. 2011 Mar;40(3):286–294. doi: 10.1016/j.amepre.2010.11.016

Table 4.

Multiple regression models including dependence, demographic, contextual variables and treatment

Measure	Failure to Reach Initial Abstinence^a (n=1429)			Lapse^b,^c (n=1259)			Relapse^c,^d (n=930)			Point-Prevalence Abstinence^a (n=1504)

	OR	p	95% CI	HR	P	95% CI	HR	P	95% CI	OR	p	95% CI
FTND	1.11^*	.02	1.02, 1.21	1.03	.08	1.00, 1.06	1.08^*	<.001	1.04, 1.13	1.16^*	<.001	1.10, 1.23
Education	.79	.30	.50, 1.24	.80^*	.01	.67, .94	.91	.41	.73, 1.14	.69^*	.01	.53, .90
Marital Status	1.18	.36	.82, 1.70	.87^*	.05	.76, 1.00	1.02	.81	.86, 1.22	.78^*	.04	.61, 1.00
Gender	1.13	.51	.79, 1.62	1.24^*	.003	1.08, 1.42	1.29^*	.01	1.07, 1.54	1.29^*	.04	1.01, 1.62
Age	1.00	.73	.98, 1.01	1.00	.87	.99, 1.01	1.00	.51	.99, 1.01	.99^*	.02	.98, 1.00
Ethnicity	.41^*	<.001	.28, .62	.80^*	.02	.67, .96	1.00	.98	.79, 1.28	.64	.10	.46, .90
Smoking in the home	2.00^*	<.001	1.34, 2.98	.99	.93	.86, 1.15	.92	.37	.77, 1.10	1.03	.82	.80, 1.32
Smoking at work	1.05	.78	.74, 1.49	1.15^*	.04	1.01, 1.32	.93	.43	.79, 1.11	.99	.91	.78, 1.24
SRRS	1.001	.09	1.000, 1.003	1.00	.65	1.00, 1.00	1.00	.28	1.00, 1.00	1.00	.76	1.00, 1.00
Proportion of Smokers in the Social Network	.98	.73	.88, 1.09	1.05^*	.03	1.01, 1.09	1.02	.35	.97, 1.08	1.05	.17	.98, 1.12
# of supportive individuals in the social network^e	.96	.27	.88, 1.09	.94^*	.<.001	.91, .98	.91^*	.003	.86, .97	.96	.10	.91, 1.01

significant (p<.05)

Conducted using logistic regression

Excludes individuals who did not achieve initial abstinence

Conducted using proportional hazards survival analysis

Excludes individuals who did not lapse

Results do not include interaction with treatment period