| Characteristics | All participants (N = 240) | Test group (N = 120) | Control group (N = 120) | P-value |
| Sex, N (%) | ||||
| Female | 182 (75.83) | 87 (72.50) | 95 (79.17) | 0.2912 |
| Male | 58 (24.17) | 33 (27.50) | 25 (20.83) | |
| Mean age (SD, range), years | 64.24 (8.58, 39 - 80) | 63.61 (8.37, 39 - 80) | 64.88 (8.78, 39 - 80) | 0.2526 |
| Mean age female (SD), years | 64.54 (8.87) | 64.13 (8.54) | 64.92 (9.19) | 0.5498 |
| Mean age male (SD), years | 63.29 (7.62) | 62.24 (7.88) | 64.68 (7.17) | 0.2301 |
| Age group participants, N female + male |
| |||
| 39 to 50 years old | 14 + 6 | 5 + 5 | 9 + 1 | 0.1409 |
| 51 to 60 years old | 47 + 10 | 28 + 3 | 19 + 7 | 0.1602 |
| 61 to 70 years old | 72 + 33 | 35 + 23 | 37 + 10 | 0.0574 |
| 71 to 80 years old | 49 + 9 | 19 + 2 | 30 + 7 | 0.4647 |