Table 3 Multivariate analysis of overall predictors of Symptom Bothersomeness score
From: Characteristics of patients with chronic back pain who benefit from acupuncture
| Â | Â | Symptom Bothersomeness* | |||
|---|---|---|---|---|---|
| Â | Â | 8-week | 52-week | ||
Variable | Categories | β ** (SE) | P-value | β** (SE) | P-value |
Baseline Roland score | Continuous | 0.02 (0.03) | 0.37 | 0.10 (0.03) | 0.0004 |
Baseline bothersomeness score | Continuous | 0.25 (0.05) | <.0001 | 0.17 (0.05) | 0.001 |
Any disability | Yes vs. No | 0.27 (0.24) | 0.26 | -0.03 (0.25) | 0.90 |
SF-36 Mental Health score | Continuous | -0.01 (0.01) | 0.40 | -0.01 (0.01) | 0.26 |
Age | Continuous | -0.02 (0.01) | 0.06 | 0.02 (0.01) | 0.03 |
Gender | Female vs. Male | -0.14 (0.21) | 0.50 | 0.05 (0.22) | 0.81 |
Education level | College graduate, Yes vs. No | -0.04 (0.21) | 0.87 | -0.31 (0.22) | 0.17 |
Employment | Heavy lifting job vs. Unemployed | 0.12 (0.35) | 0.01 | -0.94 (0.37) | 0.10 |
| Â | Light/Medium lifting job vs. Unemployed | -0.36 (0.29) | Â | -0.54 (0.31) | Â |
| Â | Sedentary job vs. Unemployed | -0.86 (0.30) | Â | -0.67 (0.32) | Â |
| Â | Employment unknown vs. Unemployed | -1.11 (0.94) | Â | -1.37 (0.97) | Â |
Medication use | Narcotics vs. None | -0.10 (0.35) | 0.22 | 0.21 (0.37) | 0.005 |
| Â | Other vs. None | -0.37 (0.22) | Â | -0.63 (0.23) | Â |
Self-efficacy | High vs. Low | 0.07 (0.47) | 0.87 | -1.04 (0.51) | 0.04 |
Expectation of acup. help | Top tertile vs. Lower two tertiles | -0.30 (0.24) | 0.46 | -0.22 (0.25) | 0.55 |
| Â | Could not rate vs. Lower two tertiles | -0.10 (0.27) | Â | 0.11 (0.29) | Â |
Duration of chronic LBP | >= 1 y vs. <1 y | 0.27 (0.23) | 0.24 | 0.32 (0.24) | 0.18 |
Pain travels below knee | Yes vs. No | 0.43 (0.26) | 0.09 | -0.35 (0.28) | 0.21 |
Days of LBP in last 3 mo | Continuous | 0.004 (0.005) | 0.35 | 0.001 (0.005) | 0.91 |
Intense LBP treatment | Yes vs. No | -0.08 (0.32) | 0.81 | 0.23 (0.34) | 0.50 |
Treatment group | Individualized acupuncture vs. Usual care | -1.05 (0.28) | <.0001 | -0.55 (0.30) | 0.13 |
| Â | Standardized acupuncture vs. Usual care | -1.25 (0.28) | Â | -0.66 (0.30) | Â |
| Â | Simulated acupuncture vs. Usual care | -1.39 (0.28) | Â | -0.47 (0.30) | Â |