Table 1.
Descriptive statistics for alcohol use and drinking-and-driving variables stratified by gender
| Variable | Men (n = 377) % | Women (n = 437) % | χ2 |
| Drinking frequency | 22.96*** | ||
| Never had a drink of alcohol | 5.3 | 7.6 | |
| 1, 2, 3, or 4 times in life | 4.8 | 6.9 | |
| 3 or 4 times per year | 6.7 | 6.7 | |
| Once a month | 15.5 | 22.8 | |
| Once or twice a week | 63.7 | 55.5 | |
| Almost daily | 4.0 | 0.5 | |
| Drinking quantity | 103.87*** | ||
| Does not drink alcohol | 7.0 | 9.0 | |
| ≤1 drink | 6.2 | 7.8 | |
| 2–3 drinks | 15.5 | 32.6 | |
| 4–8 drinks | 44.8 | 47.4 | |
| ≥9 drinks | 26.5 | 3.2 | |
| Drinking-and-driving frequency | 37.66*** | ||
| Never driven after drinking | 24.4 | 36.6 | |
| 1, 2, 3, or 4 times in life | 26.3 | 34.3 | |
| 3 or 4 times per year | 18.5 | 11.0 | |
| Once a month | 21.2 | 13.7 | |
| Once or twice a week | 9.1 | 4.3 | |
| Almost daily | 0.5 | 0.0 | |
| Drinking-and-driving quantity | 57.61*** | ||
| Never driven after drinking | 24.4 | 36.5 | |
| ≤1 drink | 16.1 | 24.8 | |
| 2–3 drinks | 28.7 | 27.8 | |
| 4–8 drinks | 25.7 | 10.1 | |
| ≥9 drinks | 5.1 | 0.9 |
***
p <.001.