. Author manuscript; available in PMC: 2019 Jul 1.

Published in final edited form as: Alcohol Clin Exp Res. 2018 Jun 4;42(7):1304–1314. doi: 10.1111/acer.13774

Table 1.

Descriptive Statistics and Correlation Matrix of Study Variables

	N	M (SD)	%	4	5	6	7	8	9	10
1. Age	381	18.77 (1.07)
2. Gender (% female)	393		60.8
3. Race (% White)	393		78.9
4. Alcohol consumption	393	17.03 (13.79)		-
5. Alcohol problems	393	13.07 (7.93)		.36^***	-
6. rratio	392	.34 (.15)		.30^***	.32^***	-
7. CFC	393	30.40 (6.53)		−.07	−.19^***	−.13^**	-
8. Delay discounting	356	.0318 (.0573)		.02	−.04	.04	−.12^**	-
9. Elasticity	384	.0123 (.0104)		−.15	−.14	−.02	.05	.08	-
10. Intensity	388	8.66 (4.25)		.60^***	.32^***	.23^***	−.11^*	.13	−.27^***	-
11. O_max	388	16.76 (9.67)		.27^***	.17^***	.10^*	−.11^*	.04	−.66^***	.43^***

Note. CFC = Consideration of Future Consequences; r-ratio = Proportionate substance-related reinforcement; N = Sample size; M = Mean; SD – Standard Deviation.

^***

p< .001,

^**

p< .01,

p< .05.