Table 5.

Predictors of year 3 marijuana use.

	Standardized B	SEB
Model 1: Prediction of Year 3 Marijuana Use from Year 1 Marijuana Use and PEP Reward (N=94)
Zero-Inflated: Contribution to Zero-Inflation/Abstinence
Intercept	0.43***	0.09
Year 1 Marijuana Use	−0.67***	0.11
PEP - Reward	0.08	0.10
Continuous: Frequency of Use
Intercept	5.26***	0.71
Year 1 Marijuana Use	0.46***	0.10
PEP - Reward	−0.54***	0.12
Model 2: Prediction of Year 3 Marijuana Use from Year 1 Marijuana Use and PEP Extinction (N=94)
Zero-Inflated: Contribution to Zero-Inflation/Abstinence
Intercept	0.43***	0.09
Year 1 Marijuana Use	−0.64***	0.12
PEP – Extinction	0.11	0.10
Continuous: Frequency of Use
Intercept	2.81***	0.40
Year 1 Marijuana Use	0.38***	0.06
PEP - Extinction	−0.82***	0.04
Model 3: Prediction of Year 3 Marijuana Use from Year 1 Marijuana Use and EDR Extinction (N=89)
Zero-Inflated: Contribution to Zero-Inflation/Abstinence
Intercept	4.92***	0.62
Year 1 Marijuana Use	−0.68***	0.11
EDR – Extinction	−0.02	0.10
Continuous: Frequency of Use
Intercept	0.45***	0.12
Year 1 Marijuana Use	0.90***	0.05
EDR - Extinction	0.44***	0.08

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.