Multivariate logistic regression analysis. Risk of BAC positivity in subjects involved in a crash, in relation to human variables, crash time, and vehicle type
| Odds ratio* | 95% confidence intervals | p Value | |
|---|---|---|---|
| *Odds ratio was calculated considering night time, sex, and weekend night by dichotomous variables, age by decades. | |||
| All cases | |||
| Night time | 3.48 | 2.46 to 4.91 | <0.001 |
| Male gender | 3.08 | 2.36 to 4.01 | <0.001 |
| Weekend night | 1.21 | 1.05 to 1.41 | 0.009 |
| Age | 0.92 | 0.86 to 0.99 | 0.034 |
| Men | |||
| Night time | 3.41 | 2.31 to 5.04 | <0.001 |
| Weekend night | 3.08 | 1.08 to 1.51 | 0.004 |
| Women | |||
| Night time | 4.45 | 2.78 to 7.14 | <0.001 |
| Age | 0.80 | 0.68 to 0.95 | 0.008 |