Table 2 Univariate linear regression for the dependent variable SPADI after 1 year and coefficients with CI for Beta
SPADI total | ||||
|---|---|---|---|---|
| Â | R2 | Beta | 95% CI (for B) | p-value |
n = 104 | Â | Â | Â | Â |
Socio-demographic variables: | Â | Â | Â | Â |
   Gender (1,2) | 0.7% | 4.05 | (-6.2 to 14.3) | p = 0.44 |
   Age | 0.9% | -0.24 | (-0.75 to 0.27) | p = 0.35 |
   Education (0,1) | 14.4% | -18.9 | (-28.4 to -9.4) | p < 0.01 |
   Work status (0,1) | 8.0% | 14.7 | (4.1 to 25.3) | p = 0.007 |
Variables from self-reported questionnaire: | Â | Â | Â | Â |
Duration of pain (0-2) | 4.5% | Â | Â | Â |
3-6 monthsb | Â | Â | Â | Â |
6-12 months | Â | 4.0 | (-9.1 to 17.2) | p = 0.54 |
> 12 months | Â | 9.7 | (-0.62 to 20.1) | p = 0.065 |
   Medication (0,1) | 0.7% | 4.1 | (-6.2 to 14.4) | p = 0.43 |
   Distress (HSCL 25) | 3.4% | 10.3 | (-1 to 21.6) | p = 0.073 |
   Health stat (EQ-VAS) | 7.5% | -0.4 | (-0.7 to -0.1) | p = 0.008 |
   Pain at rest | 11.9% | 4.3 | (1.9 to 6.7) | p = 0.001 |
   Self-eff for pain(sum) | 8.9% | 6.0 | (2.0 to 9.9) | p = 0.004 |
   Baseline SPADI | 14.3% | 0.46 | (0.22 to 0.67) | p < 0.001 |
   Prev should pain(0,1) | 5.2% | 11.5 | (1.3 to 21.8) | p = 0.028 |
   Neck pain (0,1) | 2.0% | 7.0 | (-3.3 to 17.3) | p = 0.18 |
   Prev physiot(0,1) | 2.6% | 8.0 | (-2.2 to 18.2) | p = 0.12 |
Active range of motions affected side (impairments): | Â | Â | Â | Â |
   Flexion | 3.3% | -0.18 | (-0.39 to 0.21) | p = 0.078 |
   Hand-Behind -Back | 4.1% | -1.75 | (-3.5 to -0.004) | p = 0.05 |