Table 3 Characteristics of age groups and participant's average age
| minimum age intended | maximum age intended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | n.l. | |
| % | 68 | 16.8 | 14.4 | 0.8 | 4.8 | 11.2 | 2.4 | 16 | 1.6 | 64 |
| n | 85 | 21 | 18 | 1 | 6 | 14 | 3 | 20 | 2 | 80 |
| mean ± SD participants' age | 72.23 ± 1.54 | |||||||||