Weights for undersampling or oversampling associated with the road-side saliva study
| Characteristics | Distribution among drivers (%) | Distribution in the total population of Oslo (%) | Weight |
|---|---|---|---|
| Age (years) | |||
| 16–24 | 9.4 | 10.6 | 1.13 |
| 25–34 | 18.1 | 20.9 | 1.15 |
| 35–44 | 24.3 | 16.2 | 0.67 |
| 45–54 | 21.4 | 12.2 | 0.57 |
| 55–64 | 16.4 | 10.2 | 0.62 |
| 65+ | 10.4 | 11.7 | 1.13 |
| Total | 100.0 | 81.8 | – |
| Gender | |||
| Female | 29.8 | 50.6 | 1.70 |
| Male | 70.2 | 49.4 | 0.70 |
| Total | 100.0 | 100.0 | – |
| Day of the week | |||
| Mon–Thu | 48.0 | 57.1 | 1.19 |
| Fri | 8.6 | 14.3 | 1.66 |
| Sat | 31.0 | 14.3 | 0.46 |
| Sun | 12.4 | 14.3 | 1.15 |
| Total | 100.0 | 100.0 | – |
| Time of day (h) | |||
| 00.00–05.59 | 3.4 | 25.0 | 7.35 |
| 06.00–11.59 | 30.1 | 25.0 | 0.83 |
| 12.00–17.59 | 43.0 | 25.0 | 0.58 |
| 18.00–23.59 | 23.5 | 25.0 | 1.06 |
| Total | 100.0 | 100.0 | – |