Table 4.
Odds ratios (OR) and 95% confidence intervals (CI) for alcohol and meal intake stratified by potential effect modifiers.
| Possible modifier | Exposure | |||
| Alcohol consumption | Meal intake | |||
| ORa | 95%CI | ORa | 95%CI | |
| Gender | ||||
| Male (N = 175) | 1.83 | 0.77-4.35 | 1.72 | 0.63-4.66 |
| Female (N = 151) | 4.58 | 0.81-25.93 | 0.63 | 0.20-1.96 |
| Age | ||||
| <25 years (N = 57) | 5.00 | 0.43-57.31 | 0.55 | 0.08-3.59 |
| ≥ 25 years (N = 269) | 2.10 | 0.99-4.44 | 0.98 | 0.45-2.11 |
| Level of education (high school or higher) | ||||
| No (N = 110) | 5.99 | 1.04-34.57 | 2.09 | 0.41-10.60 |
| Yes (N = 216) | 2.16 | 0.91-5.14 | 0.64 | 0.28-1.47 |
| Vehicle | ||||
| Car, van, truck (N = 234) | 2.55 | 1.04-6.25 | 0.81 | 0.36-1.82 |
| Motorcycle (N = 64) | 2.68 | 0.50-14.26 | 1.02 | 0.15-6.82 |
| Bicycle (N = 28) | 2.99 | 0.09-99.06 | 0.83 | 0.02-31.40 |
| Driving license held for (only motor-vehicle drivers) | ||||
| <5 years (N = 41) | 9.99 | 0.46-217.78 | 0.61 | 0.05-7.34 |
| ≥ 5 years (N = 257) | 1.96 | 0.89-4.29 | 0.79 | 0.36-1.73 |
| Driver at fault | ||||
| Yes (N = 80) | 21.22 | 2.31-194.79 | 0.82 | 0.16-4.18 |
| Yes or partially (N = 110) | 10.25 | 2.42-43.33 | 0.95 | 0.24-3.77 |
| No (N = 214) | 1.12 | 0.47-2.69 | 0.82 | 0.36-1.85 |
| Habitual consumption of 12 or more drinks a month | ||||
| No (N = 211) | 4.17 | 0.72-24.16 | 0.77 | 0.29-2.05 |
| Yes (N = 115) | 1.63 | 0.67-3.96 | 1.31 | 0.47-3.64 |
a From conditional logistic regression models including alcohol consumption, meal intake and time-of-day.