Table 3.
Regression analysis for disability after four weeks.
| Independent variables | Univariate regression |
Multivariate regression (Final Model) |
Constant: −2.02 | ||||
|---|---|---|---|---|---|---|---|
| Beta (95% CI) | p | R2 | F | R2: 42.1% | F: 222.11 | ||
| Beta (95% CI) | p | ||||||
| Age | 0.08 (0.04–0.11) | 0.00a | 2.9% | 18.45 | 0.03 (0.00–0.06) | 0.01b | |
| Gender | −0.27 (−1.45–0.91) | 0.65 | 0% | 0.20 | – | – | |
| Marital status | 1.1% | 1.72 | – | – | |||
| Married vs. single | −0.25 (−1.45–0.93) | 0.67 | – | – | |||
| Married vs. divorced | 1.72 (−0.06–3.50) | 0.05a | – | – | |||
| Married vs. widowed | 1.74 (−0.31–3.80) | 0.09a | – | – | |||
| Married vs. other | −0.27 (−5.46–4.90) | 0.91 | – | – | |||
| Body mass index | 0.19 (0.08–0.29) | 0.00a | 2% | 12.67 | – | – | |
| Duration of LBP (months) | 0.00 (−0.00–0.01) | 0.12a | 0.4% | 2.40 | – | – | |
| Pain intensity at baseline | 0.77 (0.53–1.01) | 0.00a | 6.2% | 40.35 | – | – | |
| Disability at baseline | 0.73 (0.66–0.80) | 0.00a | 41.5% | 433.48 | 0.71 (0.65–0.78) | 0.00b | |
Univariate regression:
a
Values with p ≤ 0.20; Multivariate regression.
b
Statistically significant values. LBP, low back pain.