Table 2. Correlations among Delayed Reward Discounting and Alcohol-Related Variables.
Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
---|---|---|---|---|---|---|---|---|
1. DDT-$100 AUC | – | |||||||
2. DDT-$10 AUC | .85** | – | ||||||
3. DDT-$1 AUC | .58** | .73** | – | |||||
4. MCQ-Large [$80] k | −.65** | −.65** | −.45** | – | ||||
5. MCQ-Med [$55] k | −.71** | −.71** | −.56** | .85** | – | |||
6. MCQ-Small [$30] k | −.70** | −.70** | −.52** | .82** | .86** | – | ||
7. Drinks / week | −.16 | −.16 | .05 | .24** | .16 | .26** | – | |
8. AUDIT | −.10 | −.13 | −.03 | .22* | .18 | .27** | .68** | – |
Note. n=105; AUC, Proportionate area under the discounting curve (maximum = 1.0); AUDIT, Alcohol Use Disorders Identification Test; DDT, Delay discounting task; MCQ, Multiple Choice Questionnaire; Mean reward amounts for each MCQ magnitude are also shown in brackets;
p<.01;
p<.05.