Age (years) | < 20 | 0 | 1.9 | 0.273 | 0 | 2.0 | 0.188 | 2.7 | 1.6 | 0.428 |
| 20–29 | 77.8 | 54.1 | | 72.4 | 53.5 | | 64.9 | 54.2 | |
| 30–39 | 11.1 | 29.2 | | 24.1 | 28.3 | | 24.3 | 28.4 | |
| > 40 | 11.1 | 14.8 | | 3.5 | 16.2 | | 8.1 | 15.8 | |
Country of birth | Germany | 0 | 11.5 | 0.229 | 6.9 | 11.1 | 0.747 | 2.7 | 12.1 | 0.140 |
| Abroad | 100 | 88.5 | | 93.1 | 88.9 | | 97.3 | 87.9 | |
German language skills (only foreigners) | Fluent/Basic | 16.7 | 63.2 | 0.000 | 59.3 | 59.1 | 0.987 | 47.2 | 61.7 | 0.110 |
| None | 83.3 | 36.8 | | 40.7 | 40.9 | | 52.8 | 38.3 | |
Ever attended LPHA? | Yes | 16.7 | 37.3 | 0.122 | 24.1 | 37.4 | 0.165 | 37.8 | 35.3 | 0.765 |
| No/not sure | 83.3 | 62.7 | | 75.9 | 62.6 | | 62.2 | 64.7 | |
Health insurance valid for Germany? | Yes | 5.6 | 27.8 | 0.048 | 13.8 | 27.8 | 0.119 | 16.2 | 27.9 | 0.138 |
| No/not sure | 94.4 | 72.2 | | 86.2 | 72.8 | | 83.8 | 72.1 | |