| INT (N = 31) | CONT (N = 30) |
---|---|---|
Age (mean ± SD) | 72.84 ± 3.45 | 72.03 ± 2.72 |
Sex (males: females) | 16: 15 | 13: 17 |
Educational level (≥ 13 years: <  13 years) | 20: 11 | 17: 13 |
Amount of talking time in group conversations during the intervention period** (sec) (mean ± SD) | 5000.52 ± 800.63 | 7627.19 ± 3377.06 |
PVFT score at the pre-intervention (mean ± SD) | 12.03 ± 3.61 | 11.13 ± 4.07 |
PVFT score at the post-intervention** (mean ± SD) | 13.71 ± 3.55 | 11.07 ± 2.95 |