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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Psychol Addict Behav. 2017 Jan 16;31(1):46–53. doi: 10.1037/adb0000241

Table 1.

Descriptive statistics and zero-order correlations between variables (N = 568).

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
1. Female gender --
2. Age −.05 --
3. White race −.08 .03 --
4. Fraternity/sorority affiliation −.04 .03 −.01 --
5. Average sleep time −.08 −. 02 −.01 .05 --
6. Sleep adequacy −.09 .10 .13 −. 01 .21 --
7. Urgency (UPPS) −.03 −.06 −.01 .01 .05 −.16 --
8. Premeditation (UPPS) .06 −.05 −.08 −.03 −.04 .02 −.23 --
9. Perseverance (UPPS) .08 −.03 .02 −.08 .08 .13 −.24 .41 --
10. Sensation-seeking (UPPS) −.13 .07 .10 .01 −.03 .01 .11 −.12 .25 --
11. Drinks per week −.28 .14 .20 .18 .07 .06 .18 −.24 −. 11 .18 --
12. Alcohol-related consequences .04 .04 .02 .09 .00 −.14 .42 −.17 −.17 .08 .43 --
N or mean 40 19.2 475 94 8.27 2.2 12.6 23.12 20.9 29.6 12.5 5.4
% or SD 71.7 1.2 83.6 16.5 1.02 0.9 9.3 7.0 5.5 7.0 9.2 4.3

Note. Bold print indicates p < .05. Bold italicized indicates p < .01. Bold italicized with underline indicates p < .001.

UPPS = UPPS Impulsive Behavior Scale.