Table 3.
Linear regression results for behavioral economic variables of relative reinforcing value of alcohol-related activities (reinforcement ratio), alcohol demand composite variables of persistence and amplitude, and impulsive choice ratio (ICR) as a measure of delay discounting.
| SFAS M (SD) | HE M (SD) | B (SE) | [95% CI] | p | Between Group (d) | |
|---|---|---|---|---|---|---|
| Reinforcement Ratio | ||||||
| Treatment (HE = 0; SFAS = 1) | 0.28 (.33) | 0.45 (.25) | −0.61 (.29) | [−1.08, −0.14] | .032* | 0.58 |
| Baseline reinforcement ratio | 1.36 (.52) | [−0.51, 2.22] | ||||
| Persistence | ||||||
| Treatment (HE = 0, SFAS = 1) | −0.31 (.78) | 0.33 (.93) | −0.77 (.28) | [−1.23, −0.31] | .006** | 0.74 |
| Baseline persistence | 0.06 (.20) | [−0.27, 0.38] | ||||
| Amplitude | ||||||
| Treatment (HE = 0, SFAS = 1) | −0.23 (.91) | 0.29 (.80) | −0.60 (.30) | [−1.10, −0.11] | .046* | 0.61 |
| Baseline amplitude | 0.03 (.20) | [−0.31, 0.36] | ||||
| Delay Discounting | ||||||
| Treatment (HE = 0; SFAS = 1) | 0.58 (.24) | 0.51 (.28) | 0.26 (.30) | [−0.24, 0.76] | .397 | 0.27 |
| Baseline ICR | 1.86 (.54) | [0.98, 2.75] |
Note. AUD = Alcohol Use Disorder. SFAS = Substance-Free Activity Session condition. HE = Health Education condition.
p <.05.
<.01