. Author manuscript; available in PMC: 2018 Aug 1.

Published in final edited form as: Exp Clin Psychopharmacol. 2017 Jun 19;25(4):273–280. doi: 10.1037/pha0000129

Table 3.

Linear regression for demographics and intention with delay discounting rates for study 2

Variable	Unadjusted coef. (95% CI)	Adjusted coef. (95% CI)^a	P value^b
Intention to quit smoking	−0.250 (−0.420 −0.079)^*	−0.210 (−0.378 −0.042)^*	0.015
Education	−0.350 (−0.562 −0.138)^**	−0.222 (−0.450 0.007)	0.057
Number of cigarettes per day	0.030 (−0.011 0.072)	0.018 (−0.022 0.058)	0.367
Monthly Income	−0.001 (−0.001 0.000)^*	0.000 (−0.001 0.000)	0.180
Gender	−0.108 (−0.930 0.715)	−0.120 (−0.660 0.901)	0.761
Race	0.262 (−0.148 0.672)	0.190 (−0.224 0.604)	0.365
Ethnicity	−1.677 (−3.890 0.537)	−1.378 (−3.604 0.848)	0.223
Age	0.011 (−0.048 0.026)	0.015 (−0.022 0.051)	0.431

Note: Cl= confidence interval

Adjusted to all variables with unadjusted odds ratio with p<0.2

For the adjusted values

p<0.05,

^**

p<0.01