Estimates from logistic regression with linkage success as dependent variable.
| Independent variables | OR (95% CI) |
| Sex | |
| Female | Ref. |
| Male | 1.50 (1.46 to 1.54) |
| Care level | |
| 1 | Ref. |
| 2 | 1.25 (1.21 to 1.28) |
| 3 | 0.92 (0.88 to 0.97) |
| Region | |
| North Rhine-Westphalia | |
| Berlin | 1.21 (1.16 to 1.26) |
| Baden-Wuerttemberg | 0.00 (0.00 to 0.00) |
| Bavaria | 0.01 (0.01 to 0.01) |
| Bremen | 2.60 (2.31 to 2.93) |
| Hesse | 1.28 (1.23 to 1.34) |
| Hamburg | 0.21 (0.2 to 0.23) |
| Mecklenburg-West Pomerania | 1.75 (1.65 to 1.85) |
| Lower Saxony | 0.78 (0.7 to 0.87) |
| Rhineland-Palatinate | 1.98 (1.88 to 2.09) |
| Saarland | 2.63 (2.38 to 2.91) |
| Saxony | 1.25 (1.2 to 1.31) |
| Saxony-Anhalt | 1.63 (1.55 to 1.71) |
| Thuringia | 1.39 (1.33 to 1.46) |
| Age group | |
| 80–84 | Ref. |
| 65–69 | 1.83 (1.75 to 1.92) |
| 70–74 | 1.57 (1.51 to 1.64) |
| 75–79 | 1.26 (1.22 to 1.3) |
| 85–89 | 0.98 (0.95 to 1.02) |
| 90–94 | 1.46 (1.39 to 1.53) |
| 95–99 | 2.21 (2.02 to 2.41) |
| 100–104 | 5.43 (3.47 to 8.49) |
| 105–109 | 85.07 (0.13 to Inf.) |
Data: study cohort defined through SHI claims data (n=158 069).
Ref., reference category; SHI, Statutory Health Insurance.