Table 1 Study characteristics across six population-based cohort studies in Germany 1997-2006
West Germany | East Germany | |||||
|---|---|---|---|---|---|---|
KORA-S4 study | KORA-F3 study | HNR study | DHS study | CARLA study | SHIP-0 study | |
Study region | Augsburg | Augsburg | Essen, Mülheim, Bochum | Dortmund | Halle (Saale) | West Pomerania |
Inhabitants per km2 of the regions | 107 | 107 | 2,571 | 2,107 | 1,756 | 52 |
Federal State of Germany | Bavaria | Bavaria | North Rhine-Westphalia | North Rhine-Westphalia | Saxony-Anhalt | Mecklenburg-West Vorpomerania |
Population-based hysterectomy rate (per 100,000)1 | 347 | 347 | 369 | 369 | 382 | 436 |
Recruitment period | 1999-2001 | 2004-2005 | 2000-2003 | 2003-2004 | 2002-2006 | 1997-2001 |
Baseline response (%) | 66.8 | 76 | 55.8 | 66.9 | 64.1 | 68.8 |
Participating women (N) | 2,171 | 1,639 | 2,038 | 694 | 810 | 2,184 |
Age range (years) | 25-74 | 35-84 | 45-75 | 25-74 | 45-83 | 20-81 |
Highest school degree (%)2 | ||||||
Low | 53.3 | 59.1 | 64.1 | 50.4 | 32.0 | 37.4 |
Middle | 27.6 | 26.6 | 20.0 | 22.2 | 51.9 | 47.8 |
High | 18.9 | 13.9 | 15.7 | 26.4 | 16.1 | 14.4 |
Missing | 0.2 | 0.4 | 0.2 | 1.0 | 0.1 | 0.4 |
Highest professional degree (%)2 | ||||||
Low | 19.6 | 21.3 | 18.7 | 18.6 | 10.6 | 8.8 |
Middle | 69.3 | 69.5 | 70.6 | 63.0 | 76.3 | 75.8 |
High | 11.2 | 8.8 | 10.5 | 15.3 | 7.2 | 12.9 |
Missing3 | 0.2 | 0.4 | 0.3 | 3.2 | 5.9 | 2.5 |
Educational qualification (two-dimensional score) | ||||||
1 (=lowest) | 0.0 | 0.0 | 1.6 | 2.3 | 1.7 | 0.9 |
2 | 15.4 | 16.2 | 14.7 | 12.7 | 5.3 | 7.2 |
3 | 36.2 | 43.5 | 47.4 | 37.3 | 23.5 | 26.5 |
4 | 21.6 | 19.2 | 17.8 | 19.9 | 39.5 | 32.1 |
5 | 7.6 | 6.6 | 1.9 | 0.9 | 8.3 | 14.8 |
6 | 7.8 | 5.2 | 5.9 | 10.7 | 8.6 | 3.4 |
7 | 11.2 | 8.8 | 2.8 | 0.4 | 2.0 | 4.3 |
8 (=highest) 4 | 0.0 | 0.0 | 7.7 | 15.3 | 5.3 | 8.6 |
Missing | 0.2 | 0.4 | 0.3 | 0.6 | 5.8 | 2.2 |
Median (P10; P90) | 3 (2; 7) | 3 (2; 6) | 3 (2; 7) | 3 (2; 7.5) | 4 (3; 6) | 4 (3; 7) |