Table 1. Demographic characteristics of the study population compared with the general population in asthma morbidity study, Germany, 2016.
| Characteristic | No. (%) |
|
|---|---|---|
| Study population (n = 70 416 019) | General populationa (n = 82 521 653) | |
| Sex | ||
| Male | 32 084 893 (45.56) | 40 697 118 (49.32) |
| Female | 38 331 126 (54.44) | 41 824 535 (50.68) |
| Age, years | ||
| 0–4 | 3 448 313 (4.90) | 3 756 446 (4.55) |
| 5–9 | 3 047 833 (4.33) | 3 613 927 (4.38) |
| 10–14 | 2 959 581 (4.20) | 3 678 195 (4.46) |
| 15–19 | 3 468 684 (4.93) | 4 172 869 (5.06) |
| 20–24 | 3 863 057 (5.49) | 4 574 031 (5.54) |
| 25–29 | 4 625 031 (6.57) | 5 366 756 (6.50) |
| 30–34 | 4 455 886 (6.33) | 5 221 075 (6.33) |
| 35–39 | 4 241 230 (6.02) | 5 058 038 (6.13) |
| 40–44 | 3 901 754 (5.54) | 4 821 986 (5.84) |
| 45–49 | 5 034 735 (7.15) | 6 259 912 (7.59) |
| 50–54 | 5 741 805 (8.15) | 6 984 307 (8.46) |
| 55–59 | 5 174 370 (7.35) | 6 223 126 (7.54) |
| 60–64 | 4 396 917 (6.24) | 5 281 280 (6.40) |
| 65–69 | 3 846 002 (5.46) | 4 563 301 (5.53) |
| 70–74 | 3 173 507 (4.51) | 3 654 937 (4.43) |
| ≥ 75 | 9 037 314 (12.83) | 9 291 467 (11.26) |
| Type of residenceb | ||
| Rural areas with low population density | 10 219 972 (14.51) | 11 857 274 (14.37) |
| Rural areas with population concentrations | 12 297 829 (17.46) | 14 028 047 (17.00) |
| Urban districts | 27 732 448 (39.38) | 32 400 372 (39.26) |
| Large urban municipalities | 20 165 770 (28.64) | 24 235 960 (29.37) |
| Federal state | ||
| Baden-Württemberg | 8 944 264 (12.70) | 10 951 893 (13.27) |
| Bavaria | 10 742 300 (15.26) | 12 930 751 (15.67) |
| Berlin | 3 005 218 (4.27) | 3 574 830 (4.33) |
| Brandenburg | 2 167 116 (3.08) | 2 494 648 (3.02) |
| Bremen | 597 995 (0.85) | 678 753 (0.82) |
| Hamburg | 1 552 606 (2.20) | 1 810 438 (2.19) |
| Hesse | 5 264 256 (7.48) | 6 213 088 (7.53) |
| Mecklenburg–Western Pomerania | 1 438 593 (2.04) | 1 610 674 (1.95) |
| Lower Saxony | 6 884 645 (9.78) | 7 945 685 (9.63) |
| North Rhine–Westphalia | 15 547 745 (22.08) | 17 890 100 (21.68) |
| Rhineland–Palatinate | 3 358 821 (4.77) | 4 066 053 (4.93) |
| Saarland | 856 620 (1.22) | 996 651 (1.21) |
| Saxony | 3 648 621 (5.18) | 4 081 783 (4.95) |
| Saxony–Anhalt | 2 020 774 (2.87) | 2 236 252 (2.71) |
| Schleswig–Holstein | 2 445 762 (3.47) | 2 881 926 (3.49) |
| Thuringia | 1 940 683 (2.76) | 2 158 128 (2.62) |
a German population data for the year 2016 were obtained from the Federal Statistical Office.19
b Rural areas with a population density lower than 100 inhabitants per km2 were categorized as low population density, rural areas with a population density less than 150 inhabitants per km2 were categorized as rural areas with population concentrations, urban districts were defined as districts with a population density over 150 inhabitants per km2 and large urban municipalities had a population above 100 000 inhabitants.21