Table III.
Associations between potential predictive variables and change in shoulder pain (NRS)
| Predictors | Univariate |
Multivariable model |
||||
|---|---|---|---|---|---|---|
| Regression coeff (b) | 95% CI | p-value | Regression coeff (b) | 95% CI | p-value | |
| Sex (female) | –0.20 | –0.52, 0.11 | 0.208 | 0.10 | –0.20, 0.39 | 0.530 |
| Age | 0.01 | –0.01, 0.02 | 0.268 | 0.01 | –0.001, 0.03 | 0.081 |
| Education (college or university) | –0.32 | –0.62, –0.02 | 0.039 | –0.37 | –0.65, –0.10 | 0.008 |
| BMI | –0.02 | –0.06, 0.02 | 0.276 | –0.3 | –0.06, 0.01 | 0.128 |
| Symptom durationa, months 6–12 >12 |
0.33 0.71 |
–0.11, 0.77 0.36, 1.06 |
0.138 < 0.001 |
0.31 0.57 |
–0.08, 0.70 0.25, 0.89 |
0.120 < 0.001 |
| Pain other joints | 0.22 | –0.11, 0.55 | 0.188 | 0.26 | –0.05, 0.57 | 0.095 |
| PA WHOb | –0.06 | –0.36, 0.25 | 0.719 | –0.12 | –0.40, 0.17 | 0.417 |
| Adherence ≥ 80% | –0.59 | –0.90, –0.29 | < 0.001 | –0.69 | –0.98, –0.39 | < 0.001 |
| Baseline pain (NRS) | –0.45 | –0.52, –0.38 | < 0.001 | –0.44 | –0.51, –0.36 | < 0.001 |
a
Reference = symptom duration < 6 months.
b
Dichotomized to either fulfilling WHO’s physical activity recommendations or not.
NRS: numerical rating scale (range 0–10); BMI: body mass index; PA: physical activity; WHO: World Health Organization.