Table 4.
Predictors of Oswestry disability indices ≥ 12 via multiple logistic regression
| Variable | Categories | B | SE | Wald | OR | 95% CI | p |
|---|---|---|---|---|---|---|---|
| BMI | Continuous (per kg/m2) | 0.054 | 0.042 | 1.651 | 1.055 | 0.972–1.145 | 0.198 |
| Marital status | Widowed/Divorced | 1.98 | 0.835 | 5.618 | 7.242 | 1.408–37.238 | 0.018 |
| Married | 1.066 | 0.412 | 6.703 | 2.903 | 1.296–6.504 | 0.010 | |
| Single | - | - | - | 1.0 | - | - | |
| Additional body region with pain | Neck/Shoulder | 1.115 | 0.456 | 6.002 | 3.049 | 1.248–7.449 | 0.014 |
| Other | 0.92 | 0.454 | 4.095 | 2.508 | 1.030–6.111 | 0.043 | |
| None | - | - | - | 1.0 | - | - | |
| Clinical training-related stress | Continuous (per point) | 0.568 | 0.191 | 8.863 | 1.765 | 1.213–2.567 | 0.003 |
| Increased back pain with increased frequency of clinical rotation between departments | -0.945 | 0.570 | 2.751 | 0.389 | 0.128–1.177 | 0.097 | |
| Constant | - | -2.963 | 1.432 | 4.287 | 0.052 | - | 0.039 |
BMI, body mass index; CI, confidence interval; OR, odds ratio; SE, standard error of B
The model incorporated background variables, stress, and pain (N = 194)