Table 2.

Regression Models

Model 1: Cigarette Dependence
	b	SE	t	P	sr2	R2 Change
Step 1						.13**
Age	.05	.02	3.06	.003	.08
Overall Health	.53	.30	1.7	.08	.03
Step 2						.0004
Pain	.04	.21	.18	.86	.0003
Sex	−.06	.45	−.14	.89	.0002
Step 3						.08**
Pain* Sex	1.18	.39	3.10	.003	.08
Model 2: Barriers to Cessation
	b	SE	t	P	sr2	R2 Change
Step 1						.02
Age	.03	.08	.35	.73	.001
Overall Health	.78	1.50	.52	.61	.003
Cigarette Dependence	.46	.50	.92	.36	.01
Step 2						.07*
Pain	1.03	.98	1.05	.30	.01
Sex	5.34	2.15	2.48	.02	.06
Step 3						.07**
Pain* Sex	5.50	1.93	2.85	.01	.07
Model 3: Past Cessation-related Problems
	b	SE	t	P	sr2	R2 Change
Step 1						.02
Age	.09	.09	.98	.33	.01
Overall Health	1.26	1.75	.72	.47	.01
Cigarette Dependence	.02	.58	.03	.98	00001
Step 2						.17***
Pain	2.83	1.07	2.64	.01	.06
Sex	8.10	2.36	3.44	.001	.10
Step 3						.06**
Pain* Sex	5.97	2.12	2.82	.01	.06

Note. N = 100;

^***p < .001,

^**p < .01,

^*p < .05. 0 = Male, 1 = Female; Overall Health = Short Form Health Survey Item 1 (Ware et al., 1992), Reported Pain = Short Form Health Survey Item 2 (Ware et al., 1992), FTCD = Fagerström Test for Cigarette Dependence (Heatherton et al., 1991), BCS = Barriers to Cessation Scale (Macnee & Talsma, 1995), Past Cessation-related Problems = Cessation-related Problems = Smoking History Questionnaire (Brown et al., 2002).