Ā | Assessment only | 1 or more group sessions | 2 or more group sessions | ||||||
---|---|---|---|---|---|---|---|---|---|
Ā | Mean treatment difference (95% CI)* | p value | Standardised effect at 12 monthsā” | Mean treatment difference (95% CI)* | p value | Standardised effect at 12 monthsā” | Mean treatment difference (95% CI)* | p value | Standardised effect at 12 monthsā” |
Roland Morris Questionnaire (points) ā | Ā | Ā | Ā | Ā | Ā | ||||
3Ā months | 1.1 (0.30, 1.86) | 0.007 | .. | 0.8 (-0.10, 1.72) | 0.079 | .. | 1.1 (0.07, 2.09) | 0.035 | .. |
6Ā months | 1.4 (0.59, 2.18) | 0.001 | .. | 1.7 (0.80, 2.60) | <0.001 | .. | 1.8 (0.78, 2.74) | <0.001 | .. |
12Ā months | 1.4 (0.61, 2.25) | 0.001 | 0.34 | 1.5 (0.55, 2.43) | 0.002 | 0.38 | 1.5 (0.48, 2.56) | 0.004 | 0.40 |
Modified Von Korff disability (%) ā | Ā | Ā | Ā | Ā | Ā | ||||
3Ā months | 4.9 (0.61, 9.14) | 0.025 | .. | 4.6 (-0.27, 9.43) | 0.064 | .. | 5.1 (-0.24, 10.38) | 0.061 | .. |
6Ā months | 8.7 (4.34, 13.07) | <0.001 | .. | 9.6 (4.71, 14.53) | <0.001 | .. | 10.3 (4.97, 15.65) | <0.001 | .. |
12Ā months | 9.4 (4.93, 13.78) | <0.001 | 0.46 | 10.3 (5.19, 15.35) | <0.001 | 0.52 | 11.1 (5.57, 16.71) | <0.001 | 0.56 |
Modified Von Korff pain (%) ā | Ā | Ā | Ā | Ā | Ā | ||||
3Ā months | 7.2 (3.53, 10.93) | <0.001 | .. | 7.5 (3.37, 11.73) | <0.001 | .. | 8.2 (3.57, 12.78) | <0.001 | .. |
6Ā months | 8.7 (4.59, 12.76) | <0.001 | .. | 9.7 (5.10, 14.29) | <0.001 | .. | 10.4 (5.43, 15.40) | <0.001 | .. |
12Ā months | 7.9 (3.69, 12.03) | <0.001 | 0.43 | 8.8 (3.99, 13.58) | <0.001 | 0.50 | 9.4 (4.08, 14.66) | 0.001 | 0.53 |
EQ-5D ā | Ā | Ā | Ā | Ā | Ā | Ā | |||
3Ā months | 0.1 (0.01, 0.11) | 0.015 | .. | 0.1 (0.02, 0.14) | 0.014 | .. | 0.1 (0.01, 0.14) | 0.024 | .. |
6Ā months | 0.04 (-0.01, 0.09) | 0.12 | .. | 0.04 (-0.01, 1.00) | 0.128 | .. | 0.1 (-0.01, 0.11) | 0.102 | .. |
12Ā months | 0.1 (0.04, 0.13) | <0.001 | 0.40 | 0.1 (0.01, 0.12) | 0.022 | 0.32 | 0.1 (0.01, 0.13) | 0.023 | 0.36 |