Variable | Groups | Time frame | W | χ2 | Pѱ | |||
---|---|---|---|---|---|---|---|---|
Week 0 | Week 4 | Week 8 | Week 12 | Â | Â | Â | ||
Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Â | Â | Â | ||
LBP disability scores | GAMWG | 9.0 (3.5)a | 7.0 (3.0)b | 5.0 (3.0)c | 4.0 (1.5)d | 0.93 | 69.8 | < 0.001* |
GAG | 9.5 (6.5)a | 8.0 (5.3)b | 7.0 (4.0)c | 5.0(3.0)d | 0.74 | 58.0 | < 0.001* | |
Pain-self-efficacy | GAMWG | 38 (9.5)a | 42 (6.0)b | 44.0 (6.0)c | 50 (8.0)d | 0.90 | 67.6 | < 0.001* |
GAG | 37.0 (6.5)a | 38.0 (5.0)b | 40.0 (8.5)c | 45.0 (6.5)d | 0.87 | 68.2 | < 0.001* | |
Fear-avoidance beliefs | GAMWG | 38.0 (9.0)a | 37.0 (9.5)b | 27.0 (6.0)c | 22.0 (6.0)d | 0.96 | 72.0 | < 0.001* |
GAG | 37.0 (11.5)a | 37.0 (9.0)b | 30.50 (4.8)c | 24.0 (7.0)d | 0.98 | 76.0 | < 0.001* | |
Back-pain beliefs | GAMWG | 28.0 (7.5)a | 30.0 (7.5)b | 32.0 (2.5)c | 35.0 (3.5)d | 0.96 | 72.0 | < 0.001* |
GAG | 28.5 (6.5)a | 30.0 (6.3)b | 30.5 (4.0)c | 33.0 (4.0)d | 0.93 | 72.3 | < 0.001* |