Table 4.
Binomial regression results for lower back disorder with different study characteristics.
| Variables in the Equation | B | S.E. | Wald | df | Sig. | Exp(B) | 95% C.I. for EXP(B) | |
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Gender (female) | 0.190 | 0.300 | 0.403 | 1 | 0.525 | 1.210 | 0.672 | 2.175 |
| Smoking (yes) | 0.970 | 0.340 | 8.151 | 1 | 0.004 | 2.638 | 1.355 | 5.134 |
| Age | 0.121 | 0.147 | 0.675 | 1 | 0.411 | 1.128 | 0.846 | 1.505 |
| Years of experience | −0.021 | 0.158 | 0.018 | 1 | 0.895 | 0.979 | 0.719 | 1.334 |
| Working hours per day | −0.146 | 0.170 | 0.738 | 1 | 0.390 | 0.864 | 0.619 | 1.206 |
| Sleeping hours per day | −0.048 | 0.176 | 0.075 | 1 | 0.785 | 0.953 | 0.675 | 1.345 |
| Marital status | 0.365 | 0.335 | 1.185 | 1 | 0.276 | 1.440 | 0.747 | 2.778 |
| Constant | −0.684 | 0.827 | 0.684 | 1 | 0.408 | 0.505 | ||