Table 3.
Linear Regression Models of Recent Drinking
| Current Alcohol Dependence Model1 | |||
|---|---|---|---|
| b | 95% Confidence Interval | p-value | |
| Constant | 5.56 | 4.97, 6.15 | <0.001 |
| Delay Discounting (In (k)) | 0.02 | −0.03, 0.07 | 0.459 |
| Male Sex | 0.29 | 0.12, 0.46 | 0.001 |
| Age (years) | 0.00 | 0.00, 0.01 | 0.426 |
| Education | −0.09 | −0.16, −0.02 | 0.017 |
| Income | −0.02 | −0.05, 0.01 | 0.166 |
| Nicotine Dependence Severity2 | 0.06 | 0.03, 0.09 | <0.001 |
| Anxiety (STAI score)3 | 0.01 | 0.00, 0.02 | 0.010 |
| Depression (MADRS score)4 | 0.01 | −0.01, 0.02 | 0.334 |
| Cocaine or Cannabis Use Disorder5 | 0.11 | −0.10, 0.31 | 0.322 |
| Healthy Control Model | |||
| b | 95% Confidence Interval | p-value | |
| Constant | 1.08 | −0.40, 2.57 | 0.153 |
| Delay Discounting (In (k)) | 0.07 | −0.06, 0.19 | 0.322 |
| Male Sex | 0.35 | −0.01, 0.71 | 0.054 |
| Age (years) | −0.05 | −0.06, −0.03 | <0.001 |
| Education | 0.55 | 0.37, 0.74 | <0.001 |
| Income | 0.05 | −0.03, 0.13 | 0.189 |
| Anxiety (STAI score)3 | 0.02 | −0.01, 0.05 | 0.186 |
| Depression (MADRS score)4 | 0.07 | −0.05, 0.18 | 0.263 |
1
This model imputed missing values for Anxiety and Depression ratings
2
Nicotine dependence was assessed via Fagerström Test for Nicotine Dependence.
3
The STAI, or State-Trait Anxiety Inventory, was used to assess anxiety symptoms.
4
The MADRS, or Montgomery Asberg Depression Rating Scale, was used to assess depressive symptoms.
5
Cocaine or cannabis diagnosis included current abuse or dependence as assessed by the SCID-IV-TR.