Table 2 Factors associated with bike and car use as mode of transport to school during 1994-2005
| Â | Â | Bike use | Car use | ||
|---|---|---|---|---|---|
| Â | Â | Model adjusted for socio-demographic factors | Model adjusted for socio-demographic +environmental factors | Model adjusted for socio-demographic factors | Model adjusted for socio-demographic +environmental factors |
Factor | Â | ORwt (95% CIwt) | ORwt (95% CIwt) | ORwt (95% CIwt) | ORwt (95% CIwt) |
Survey year: | 1994 | 1.0 | 1.0 | 1.0 | 1.0 |
| Â | 2000 | 0.79 (0.61-1.03) | 0.83 (0.63-1.09) | 1.53 (1.13-2.07) | 1.45 (1.06-1.99) |
| Â | 2005 | 0.75 (0.57-0.98) | 0.81 (0.61-1.07) | 1.40 (1.03-1.89) | 1.30 (0.94-1.79) |
Sex: | girls | 1.0 | 1.0 | 1.0 | 1.0 |
| Â | Boys | 1.19 (0.96-1.48) | 1.17 (0.94-1.46) | 0.95 (0.76-1.18) | 0.96 (0.76-1.21) |
Age: | 6 to 9 | 1.0 | 1.0 | 1.0 | 1.0 |
| Â | 10 to 12 | 4.54 (3.37-6.10) | 4.26 (3.15-5.75) | 0.58 (0.45-0.75) | 0.51 (0.39-0.67) |
| Â | 13 to 14 | 9.67 (7.16-13.10) | 9.84 (7.21-13.42) | 0.56 (0.42-0.75) | 0.33 (0.22-0.47) |
Nationality: | non-Swiss | 1.0 | 1.0 | 1.0 | 1.0 |
| Â | Swiss | 1.16 (0.82-1.64) | 1.06 (0.74-1.51) | 1.22 (0.89-1.67) | 1.12 (0.81-1.54) |
Region: | non-urban | 1.0 | 1.0 | 1.0 | 1.0 |
| Â | urban | 0.69 (0.55-0.86) | 0.70 (0.56-0.87) | 1.09 (0.87-1.38) | 1.18 (0.92-1.51) |
Language: | German | 1.0 | 1.0 | 1.0 | 1.0 |
| Â | French | 0.18 (0.12-0.25) | 0.19 (0.13-0.270) | 2.51 (1.99-3.17) | 2.18 (1.71-2.79) |
| Â | Italian | 0.42 (0.21-0.82) | 0.45 (0.23-0.86) | 3.42 (2.24-5.22) | 3.20 (2.05-5.00) |
Distance to school (Km): | Â | - | 0.93 (0.89-0.96) | - | 1.16 (1.12-1.21) |
Cars at home: | None or 1 car | - | 1.0 | - | 1.0 |
| Â | 2 or more cars | - | 1.10 (0.87-1.39) | - | 1.72 (1.35-2.18) |
Bike availability: | always | - | 1.0 | - | 1.0 |
| Â | not always | - | 0.13 (0.07-0.23) | - | 1.09 (0.77-1.53) |