. Author manuscript; available in PMC: 2015 Jun 10.

Published in final edited form as: Alcohol Clin Exp Res. 2011 May 20;35(9):1607–1613. doi: 10.1111/j.1530-0277.2011.01507.x

Table 2.

Delay Discounting (Mean k Value) Correlations

Variable	r	p
CPI	−0.23	<0.0001
SES	−0.17	0.005
Education (years)	−0.02	0.79
AUDIT	−0.01	0.87
Race (Caucasion/other)^a	0.21	0.0004
BDI	0.14	0.02
Shipley mental age	−0.23	<0.0001
FH density	0.15	0.01
Life adversity	0.09	0.12
EPI-neuroticism	0.04	0.51
EPI-impulsivity	0.10	0.10
EPI-extraversion	0.06	0.30
Alcohol intake (oz/month)	0.04	0.52
Tobacco (% using weekly)^a	0.08	0.15

CPI-So, California Personality Inventory Sociability Scale; SES, Hollingshead & Redlich Socioeconomic Status Score; AUDIT, Alcohol Use Disorders Identification Test; BDI, Beck Depression Inventory; Shipley mental age, Shipley Institute of Living Mental Age Score; FH density; number of parents and grandparents meeting criteria for alcohol and/or drug use disorders; EPI, Eysenck Personality Inventory.

Point biserial correlation reported as tobacco and race are binary outcome variables.