Table 1.
Sociodemographic characteristics of the KiGGS sample (2003–2006) participants aged 12 to 17 years, by sex (n = 5,053). †
| Boys (%) | Girls (%) | Total (%) | |
|---|---|---|---|
| Age in years: Mean (SD) | 14.8 (1.66) | 14.9 (1.72) | 14.8 (1.69) |
| Sex | 2,593 (51.4) | 2,460 (48.6) | 5,053 (100.0) |
| Region of residence | |||
| Newly-formed German states (incl. Berlin) | 845 (19.2) | 846 (19.2) | 1,691 (19.2) |
| Old West German states | 1,748 (80.8) | 1,614 (80.8) | 3,362 (80.8) |
| Immigration background | |||
| Yes | 360 (15.5) | 341 (15.9) | 701 (15.7) |
| No | 2,233 (84.5) | 2,119 (84.1) | 4,352 (84.3) |
| Parental education | |||
| High | 970 (38.5) | 893 (37.6) | 1,863 (38.0) |
| Low | 1,623 (61.5) | 1,567 (62.4) | 3,190 (62.0) |
| Adolescent education | |||
| High | 848 (33.2) | 1,044 (42.1) | 1,892 (37.5) |
| Low | 1,745 (66.8) | 1,416 (57.9) | 3,161 (62.5) |
| Intergenerational educational mobility | |||
| Stable high | 539 (21.4) | 573 (24.2) | 1,112 (22.7) |
| Potentially upwardly mobile | 309 (11.8) | 471 (17.9) | 780 (14.8) |
| Potentially downwardly mobile | 431 (17.1) | 320 (13.4) | 751 (15.3) |
| Stable low | 1,314 (49.8) | 1,096 (44.5) | 2,410 (47.2) |
† Percentages based on weighted data; extrapolated to the residential population of Germany (0–17 years) on 31 December 2004 (without missing data).