Table 1.
Descriptive statistics
| Indicators | Measures | All participants (N = 110,027) |
|
|---|---|---|---|
| Mean(S.D.) | % per category | ||
| Dependent variables | |||
| Cycling duration (in minutes) | ≥0 min per day | 12.8 (32.6) | |
| Individual and household variables | |||
| Gender | Male | 48.3% | |
| Female | 51.7% | ||
| Age | 20–29 | 12.8% | |
| 30–39 | 16.0% | ||
| 40–49 | 21.5% | ||
| 50–59 | 20.8% | ||
| 60–69 | 17.1% | ||
| 70–79 | 9.1% | ||
| 80–89 | 2.7% | ||
| Household structure | Single-person household | 17.1% | |
| Couple without children | 36.8% | ||
| Couple with children | 40.4% | ||
| Single parent with children | 4.5% | ||
| Net household income | < €20,000 | 13.1% | |
| €20,000–40,000 | 42.8% | ||
| >€40,000 | 44.2% | ||
| Education | Low | 27.4% | |
| Medium | 37.6% | ||
| High | 35.1% | ||
| Ethnicity | Dutch | 94.4% | |
| Non-Dutch | 5.6% | ||
| Car ownership | No car | 10.8% | |
| 1 car | 52.6% | ||
| 2 or more cars | 36.6% | ||
| Built environment variables | |||
| Address density (1000 addresses per km2) | 1.31 (1.54) | ||
| Land use diversity | 0.62 (0.21) | ||
| Street density (km/km2) | 16.30 (8.83) | ||
| Number of bus stops | 13 (10.58) | ||
| Distance to train station (km) | 6.79 (7.29) | ||
| Natural environment variables | |||
| Green space (%) | 61.59 (23.34) | ||
| Water bodies (%) | 4.18 (6.52) | ||
| Daily max. Air temperature (°C) | 14.6 (7.2) | ||
| Daily precipitation sum (mm) | 4.1 (1.96) | ||
| Daily average wind speed (m/s) | 2.01 (4.33) | ||
| Percentage of respondents in each municipality size | Four largest cities | 8.6% | |
| Medium-sized cities | 21.3% | ||
| Small urban areas | 17.3% | ||
| Suburban/rural areas | 52.7% | ||