Table 1.
Means and Standard Deviations (SDs) of Study Variables
| Variable | N | Mean | SD | Range |
|---|---|---|---|---|
|
Demand Curve Metrics of Alcohol Reward Value
| ||||
| Intensity (number of drinks when drink price = $0) | 205 | 10.236 | 7.407 | 0 – 41.10 |
| Breakpoint (first price at which consumption = 0 drinks) | 206 | 9.290 | 5.247 | 0 – 20.00 |
| Omax(maximum expenditure) | 206 | 18.360 | 11.397 | 0 – 60.00 |
| Pmax(price associated with Omax and price at which demand becomes elastic) | 204 | 3.989 | 2.514 | .25 – 20.00 |
| Elasticity (rate at which demand decreases) | 200 | .006 | .005 | .000 – .054 |
|
| ||||
|
Other Metrics of Alcohol Reward Value
| ||||
| Reinforcement ratio | 199 | .298 | .176 | .00 – .88 |
| Relative discretionary expenditures on alcohol | 194 | .232 | .249 | .00 – 1.00 |
|
| ||||
|
Alcohol Use and Problem Measures
| ||||
| Drinks per week | 207 | 16.064 | 13.435 | 0 – 60.20 |
| Drinking days | 207 | 2.83 | 1.69 | 0 – 7.00 |
| Total problems | 207 | 12.637 | 8.537 | 0 – 40.00 |
|
| ||||
|
Protective and Risk Factors of Alcohol Problems
| ||||
| Protective behaviors | 206 | 51.529 | 12.666 | 11.00 – 88.00 |
| Sensation seeking | 207 | 14.387 | 3.071 | 6.00 – 20.00 |
| Depression symptoms | 193 | 12.860 | 7.415 | 1.00 – 36.00 |