Table 1 Descriptive characteristics of the study sample at KiGGS0
Characteristics | Girls (n = 1705) | Boys (n = 1766) | Total (n = 3471) |
|---|---|---|---|
Age in years (mean) | 8.4 | 8.5 | 8.5 |
Parental education (%) | |||
 Low | 12.3 | 11.2 | 11.8 |
 Intermediate | 55.7 | 55.3 | 55.5 |
 High | 32.0 | 33.4 | 32.8 |
Household income (%) | |||
 Low | 31.5 | 32.1 | 31.8 |
 Middle | 37.4 | 37.9 | 37.6 |
 High | 31.1 | 30.0 | 30.5 |
Migrant background (% yes) | 8.8 | 9.8 | 9.3 |
Family form (% single parent) | 9.3 | 8.8 | 9.1 |
Overweight/obesity (% yes) | 12.4 | 13.3 | 12.8 |
General health status (% not very good) * | 54.6 | 60.1 | 57.4 |
Special health care needs (% yes) * | 11.6 | 20.1 | 15.9 |
Psychopathological problems (% yes) * | 17.9 | 10.1 | 14.1 |
Motor fitness (%) | |||
 Below-average | 16.2 | 17.3 | 16.8 |
 Average | 65.6 | 63.6 | 64.6 |
 Above-average | 18.3 | 19.0 | 18.7 |
Screen-based media use (%) * | |||
 Low | 42.9 | 31.7 | 37.2 |
 Middle | 34.3 | 35.2 | 34.8 |
 High | 22.8 | 33.1 | 28.0 |
Residential area size (%) | |||
 Rural | 22.4 | 21.8 | 22.1 |
 Small-sized city | 27.9 | 29.0 | 28.4 |
 Medium-sized city | 29.9 | 28.5 | 29.2 |
 Metropolitan city | 19.9 | 20.7 | 20.3 |