. Author manuscript; available in PMC: 2012 Jun 1.

Published in final edited form as: Psychol Addict Behav. 2011 Jun;25(2):352–357. doi: 10.1037/a0023614

Table 1.

Descriptive Statistics

Variables	Range	Mean	SD	1	2	3	4	5	6
1. Gender	0 – 1	0.35	0.48
2. Alcohol-related infractions at Time 1	0 – 1	0.14	0.35	0.10^*
3. Grade point average at Time 2	0.8 – 4	3.15	0.54	−0.09^*	−0.09^*
4. Sensitivity to reward	0 – 17	8.72	3.67	0.22^*	0.11^*	−0.02
5. Sensitivity to punishment	0 – 18	8.77	4.50	−0.17^*	−0.07^*	0.03	0.05
6. Alcohol use (drinks per week) at Time 1	0 – 100	14.96	13.61	0.34^*	0.26^*	−0.21^*	0.27^*	−0.15^*
7. Alcohol use (drinks per week) at Time 2	0 – 121	14.35	13.28	0.37^*	0.25^*	−0.15^*	0.24^*	−0.14^*	0.69^*

Note. Gender was coded 1=male, 0=female. Alcohol-related infractions is coded 1 = infraction, 0 = no infraction.

p <.01.