| Cologne | Valencia | Sydney | Siegen | Overall |
---|---|---|---|---|---|
Participants (n) | n = 15 | n = 20 | n = 15 | n =10 | n = 60 |
Intervention period (months) | 4 | 4 | 4 | 6 | 4 to 6 |
Mean age (years, SD) | 72.1 ± 3.6 | 71.5 ± 3.8 | 76.5 ± 4.6 | 70.9 ± 3.9 | 72.6 ± 4.0 |
Female (n, %) | 9 (60) | 13 (65) | 9 (60) | 6 (60) | 37 (61,7) |