Table 2.
Regression analysis for pain intensity after four weeks.
| Independent variables | Univariate regression |
Multivariate regression (Final Model) |
Constant: 1.87 | ||||
|---|---|---|---|---|---|---|---|
| Beta (95% CI) | p | R2 (%) | F | R2: 4.6% | F: 14.59 | ||
| Beta (95% CI) | p | ||||||
| Age | 0.02 (0.00–0.03) | 0.00a | 1.3 | 7.90 | 0.01 (0.00–0.03) | 0.03b | |
| Gender | −0.13 (−0.62–0.35) | 0.58 | 0 | 0.29 | – | – | |
| Marital status | 1 | 1.46 | – | – | |||
| Married vs. single | 0.33 (−0.15–0.82) | 0.18a | – | – | – | – | |
| Married vs. divorced | 0.33 (−0.39–1.07) | 0.36 | – | – | – | – | |
| Married vs. widowed | 0.85 (0.01–1.69) | 0.04a | – | – | – | – | |
| Married vs. other | 1.09 (−1.04–3.22) | 0.31 | – | – | – | – | |
| Body mass index | −0.00 (−0.04–0.04) | 0.93 | 0 | 0.00 | – | – | |
| Duration of LBP (months) | 0.00 (−0.00–0.00) | 0.54 | 0.1 | 0.37 | – | – | |
| Pain intensity at baseline | 0.25 (0.15–0.35) | 0.00a | 3.8 | 24.40 | 0.23 (0.13–0.33) | 0.00b | |
| Disability at baseline | 0.05 (0.02–0.09) | 0.00a | 1.5 | 9.11 | – | – | |
Univariate regression:
a
Values with p ≤ 0.20; Multivariate regression.
b
Statistically significant values; LBP, low back pain.