| Intervention group (N = 19) | Control group (N = 21) | Group effects | Time effects | Group × time effects | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Mean ± SD | Mean ± SD |  |  |  |  |  |  | ||||
 | Baseline | 3 months | 6 months | Baseline | 3 months | 6 months | p value | Partial η2 | p value | Partial η2 | p value | Partial η2 |
AASE†| 31.01 ± 12.51a | 53.26 ± 9.99b | 61.79 ± 10.84c | 44.52 ± 16.59 | 42.24 ± 13.45 | 46.52 ± 17.70 | 0.004 | 0.201 | 0.074 | 0.068 |  < 0.001 | 0.391 |
 | a < b***, b < c*** | No significant pairwise differences |  |  |  |  |  |  | ||||
EFI-K | 70.53 ± 28.49a | 99.21 ± 32.47b | 120.32 ± 35.61c | 75.38 ± 24.05 | 73.81 ± 22.95 | 74.29 ± 25.65 | 0.012 | 0.154 |  < 0.001 | 0.525 |  < 0.001 | 0.548 |
 | a < b***, b < c*** | No significant pairwise differences |  |  |  |  |  |  | ||||
SAS‡ | 66.05 ± 13.44a | 107.89 ± 20.65b | 120.05 ± 24.90c | 83.90 ± 21.65 | 85.90 ± 20.19 | 81.76 ± 20.76 | 0.003 | 0.213 |  < 0.001 | 0.312 |  < 0.001 | 0.517 |
 | a < b***, b < c*** | No significant pairwise differences |  |  |  |  |  |  |