Table 1.
CARLA | DHS | KORA | HNR | SHIP | |
---|---|---|---|---|---|
Study period | 12/2002–01/2006 | 09/2003–06/2004 | 10/1999–04/2001 | 12/2000–06/2003 | 10/1997–03/2001 |
Federal state (region) | Saxony-Anhalt (east) | North Rhine-Westphalia (west) | Bavaria (south) | North Rhine-Westphalia (west) | Mecklenburg-West Pomerania (northeast) |
Sampling | Stratified random sampling | Stratified random sampling | Two-stage cluster sampling | Stratified random sampling | Two-stage cluster sampling |
Cities | Halle (Saale) | Dortmund | Augsburg | Bochum, Essen, Mülheim | Greifswald, Stralsund |
Neighbourhoods (n)/types | 43/city districts | 62/statistical administrative units | 17/planning regions | 108/ statistical administrative units | 6/clusters of city districts |
Total regional population (neighbourhood range) | 238 078 (18–19 210) | 587 607 (476–25 686) | 252 725 (2730–37 246) | 1 142 112 (262–32 466) | 115 962 (5230–31 154) |
Unemployment rate (%; neighbourhood range)* | 14.1 (3.9–22.5) | 15.3 (5.0–27.7) | 4.8 (1.9–7.6) | 7.5 (1.7–13.5) | 13.1 (9.9–14.9) |
*Data on neighbourhood unemployment were collected in the year 1999 in SHIP, in 2000 in KORA, in the year 2001 in HNR and in 2003 in CARLA and DHS.
CARLA, Cardiovascular Disease, Living and Ageing in Halle Study; DHS, Dortmund Health Study; HNR, Heinz Nixdorf Recall Study; KORA, Cooperative Health Research in the Region of Augsburg; SHIP, S4 Study and the Study of Health in Pomerania.