Table 4 Results of the multivariate analysis (random-effect regression) evaluating potential predictors of the change in reaction time before and after the stay inside the recreational site (dependent variable: time change = time after -time before)
| Â | Regression coefficient | (95% CI) | p |
|---|---|---|---|
Change in BAC before and after the stay inside the recreational site (BAC after -BAC before), 0.1 g/l increase | 0.019 | (0.013; 0.025) | < 0.001 |
Male gender | 0.025 | (-0.001; 0.052) | 0.052 |
BAC change*Male gender | -0.010 | (-0.016; -0.003) | 0.004 |
Drug use | 0.029 | (-0.010; 0.069) | 0.15 |
BAC*drug use | 0.001 | (-0.009; 0.011) | 0.9 |
Age, 1-year increase | 0.001 | (-0.003; 0.005) | 0:6 |
Educational level, ordinal | 0.009 | (-0.006; 0.025) | 0.2 |
Occupation | Â | Â | Â |
Student (ref. category) | 0 | -- | -- |
Employed | -0.009 | (-0.036; 0.018) | 0.5 |
Unemployed | -0.019 | (-0.060; 0.023) | 0.4 |
Driving licence years | Â | Â | Â |
No licence (ref. category) | 0 | -- | -- |
< = 2 | 0.006 | (-0.032; 0.044) | 0.8 |
3-5 | 0.015 | (-0.025; 0.053) | 0.5 |
> 5 | 0.019 | (-0.023; 0.062) | 0.4 |
Arrested because of driving after drinking in the last year | 0.001 | (-0.001; 0.002) | 0.5 |