Table 3 Descriptive overview of the two samples, AOK data
|  | Sample 1 2010 | Sample 2 2011–2013 | |
|---|---|---|---|
Total mean age (SD) | at the beginning of the first quarter of the starting year | 65.9 (11.8) | 66.2 (11.6) |
Male mean age (SD) | 63.9 (10.8) | 64.2 (10.6) | |
Female mean age (SD) | 67.5 (12.3) | 67.7 (12.1) | |
% male | 44.3 | 44.4 | |
% female | 55.7 | 55.6 | |