Table 6.

Predictors of year 3 cigarette use.

	Standardized B	SEB
Model 1: Prediction of Year 3 Cigarette Use from Year 1 Cigarette Use and PEP Reward (N=95)
Zero-Inflated: Contribution to Zero-Inflation/Abstinence
Intercept	0.99***	0.16
Year 1 Cigarette Use	−0.74***	0.08
PEP Reward	0.26	0.11
Continuous: Frequency of Use
Intercept	13.69***	3.28
Year 1 Cigarette Use	0.88***	0.14
PEP Reward	−0.32	0.27
Model 2: Prediction of Year 3 Cigarette Use from Year 1 Cigarette Use and PEP Extinction (N=95)
Zero-Inflated: Contribution to Zero-Inflation/Abstinence
Intercept	1.04***	0.15
Year 1 Cigarette Use	−0.71***	0.08
PEP Extinction	0.38**	0.12
Continuous: Frequency of Use
Intercept	14.78***	3.48
Year 1 Cigarette Use	0.96***	0.09
PEP Extinction	−0.12	0.28
Model 3: Prediction of Year 3 Cigarette Use from Year 1 Cigarette Use and EDR Extinction (N=90)
Zero-Inflated: Contribution to Zero-Inflation/Abstinence
Intercept	1.01***	0.19
Year 1 Cigarette Use	−0.79***	0.08
EDR Extinction	−0.05	0.14
Continuous: Frequency of Use
Intercept	15.05***	3.01
Year 1 Cigarette Use	1.00***	0.02
EDR Extinction	−0.13	0.26

Note. PEP = Cardiac pre-ejection period response (change from baseline scores), reverse-coded such that higher numbers indicate greater sympathetic activity. EDR = Electrodermal response (change from baseline scores). Significant coefficients presented in bold type.

^**p < .01;

^***p < .001.