Table 2.
Changes in back pain scores from baseline values in intervention and control groups at 6 weeks, 6 months, and 1 year follow up
| Outcome measure | Mean change in scores*
|
Difference (95% CI) | P value | |
|---|---|---|---|---|
| Control group |
Intervention group | |||
| At 6 weeks | (n=94) | (n=85) | ||
| Roland disability questionnaire | −1.94 | −2.86 | 0.92 (−0.02 to 1.87) | 0.06 |
| Aberdeen back pain scale | −8.99 | −11.58 | 2.59 (−0.37 to 5.55) | 0.09 |
| Pain diary: | (n=89) | (n=82) | ||
| Strength | −9.4 | −12.2 | 2.8 (−1.67 to 7.30) | 0.22 |
| Distress | −5.0 | −10.2 | 5.13 (0.41 to 9.85) | 0.03 |
| Fear and avoidance beliefs questionnaire: | ||||
| Work | −1.26 | −2.98 | 1.72 (−0.34 to 3.78) | 0.10 |
| Physical activities | −2.02 | −3.26 | 1.24 (−0.27 to 2.74) | 0.11 |
| EuroQoL health index | 0.022 | 0.030 | −0.01 (−0.09 to 0.07) | 0.84 |
| Mean (range) number of visits to general practitioner | 0.41 (0-6) | 0.20 (0-3) | NA | 0.09 |
| At 6 months | (n=86) | (n=77) | ||
| Roland disability questionnaire | −1.64 | −2.99 | 1.35 (0.13 to 2.57) | 0.03 |
| Aberdeen back pain scale | −8.11 | −10.26 | 2.15 (−1.63 to 5.93) | 0.26 |
| EuroQoL health index | 0.067 | 0.080 | −0.01 (0.06 to 0.04 | 0.60 |
| Mean (range) number of visits to general practitioner | 0.89 (0-8) | 0.49 (0-4) | NA | |
| At 1 year | (n=88) | (n=83) | ||
| Roland disability questionnaire | −1.77 | −3.19 | 1.42 (0.29 to 2.56) | 0.02 |
| Aberdeen back pain scale | −8.48 | −12.92 | 4.44 (1.01 to 7.87) | 0.01 |
| EuroQoL health index | 0.089 | 0.111 | −0.02 (−0.08 to 0.04) | 0.47 |
*
Adjusted for baseline scores. NA=Not applicable.