Group | n | Baseline | 1st week (%) | 2nd week (%) | 4th week (%) | 8th week (%) | 12th week (%) | P time | P group | P time*group |
---|---|---|---|---|---|---|---|---|---|---|
Young (18–40) | 52 | 46.2 | 57.7 | 53.8 | 71.2 | 84.6 | 90.4 | < 0.001 | 0.037 | 0.566 |
Middle-aged (40–65) | 267 | 32.6 | 46.8 | 50.9 | 74.9 | 79.0 | 82.8 | |||
Elderly (> 65) | 105 | 29.5 | 36.2 | 39.0 | 62.9 | 66.7 | 73.3a |