Table 4.

Regression of Key Variables on Positive Mood Change

	β	SE	t	p
Baseline predictors, full sample (n = 234)
Gender	.05	.20	.80	.42
NA expectancies	.20	.15	2.09	.04*
Nicotine dependence	.12	.21	1.01	.31
No. of biological parent ever-smokers	.02	.14	.27	.79
No. of days smoked in last 30 days	−.22	.01	−2.19	.03*
6-Month predictors, extended-smoking sample (n = 128)
Gender	.22	.20	2.50	.01**
NA expectancies	.34	.15	3.27	.001***
Nicotine dependence	.01	.19	.07	.94
No. of biological parent ever-smokers	−.06	.14	−.71	.48
No. of days smoked in last 30 days	−.20	.01	−1.60	.11

Note. Gender is coded as female = 1, male = 2; NA = negative affect; *p < .05; **p < .01; ***p < .001.