. Author manuscript; available in PMC: 2014 Sep 19.

Published in final edited form as: Psychol Med. 2009 Jul 23;40(3):441–449. doi: 10.1017/S0033291709990560

Table 2.

Final logistic regression for major depressive episodes assessed concurrently with abstinence at 1 month in an online sample of smokers attempting to quit

Variable	7-day abstinence
Variable	Odds ratio (95 % CI)	Wald (df=1)	p
CES-D at baseline	1.06 (1.04–1.07)	69.28	<0.001
Sex, female	1.14 (0.89–1.47)	1.11	0.29
Language, Spanish	1.51 (1.15–1.98)	8.76	<0.01
Fagerstrom score	1.10 (1.04–1.15)	13.05	<0.001
History of depression	1.71 (1.29–2.27)	14.13	<0.001
Abstinence status, still smoking	1.36 (1.04–1.78)	5.14	0.02

CI, Confidence interval; df, degrees of freedom; CES-D, Center for Epidemiological Studies – Depression Scale.