Table 2 Primary and secondary outcomes
Measure by assessment Mean (SD) | Follow-up time | Main effect of time | Main effect of group | Interaction effects | |||||
|---|---|---|---|---|---|---|---|---|---|
Baseline | 6-week follow-up | 18-week follow-up | Ftime | Ptime | Fgroup | Pgroup | FGroup × Time | PGroup × Time | |
RMDQ | |||||||||
Intervention group | 4.8 (2.7) | 4.0 (3.1) | 3.1 (2.8) | 14.256 | 0.000 | 0.813 | 0.313 | 0.043 | 0.952 |
Control group | 4.1 (2.5) | 3.3 (2.1) | 2.5 (1.7) | ||||||
Average (NRS) | |||||||||
Intervention group | 4.7 (1.8) | 3.4 (1.5) | 3.4 (2.0) | 6.394 | 0.004 | 0.515 | 0.478 | 0.477 | 0.624 |
Control group | 4.1 (1.7) | 3.3 (1.2) | 3.2 (1.1) | ||||||
Current (NRS) | |||||||||
Intervention group | 3.4 (1.8) | 2.9 (1.5) | 2.8 (1.8) | 3.034 | 0.061 | 0.187 | 0.668 | 0.065 | 0.937 |
Control group | 3.3 (1.8) | 2.6 (1.6) | 2.5 (1.3) | ||||||
Most severe (NRS) | |||||||||
Intervention group | 6.6 (2.0) | 5.5 (1.8) | 4.3 (2.0) | 27.163 | 0.000 | 0.457 | 0.503 | 0.089 | 0.891 |
Control group | 6.2 (1.8) | 5.2 (1.5) | 4.1 (2.6) | ||||||
SDS | |||||||||
Intervention group | 47.9 (11.5) | 46.3 (11.7) | 46.7 (9.7) | 1.179 | 0.313 | 2.580 | 0.117 | 2.670 | 0.078 |
Control group | 41.0 (7.3) | 45.0 (12.4) | 40.5 (9.9) | ||||||
GAD-7 | |||||||||
Intervention group | 4.7 (2.8) | 4.2 (2.7) | 4.2 (2.9) | 1.529 | 0.224 | 0.104 | 0.749 | 3.106 | 0.052 |
Control group | 3.3 (3.3) | 5.2 (4.5) | 3.7 (4.5) | ||||||
PCS (SF-36) | |||||||||
Intervention group | 39.5 (6.4) | 43.6 (8.0) | 45.8 (8.1) | 15.459 | 0.000 | 2.456 | 0.126 | 1.283 | 0.282 |
Control group | 44.2 (7.9) | 45.1 (6.7) | 49.7 (8.7) | ||||||
MCS (SF-36) | |||||||||
Intervention group | 48.3 (10.2) | 47.0 (11.4) | 48.0 (10.6) | 0.860 | 0.420 | 0.790 | 0.380 | 0.115 | 0.877 |
Control group | 51.4 (10.2) | 48.7 (11.2) | 51.2 (13.2) | ||||||