Table 2. Association Between Demographic and Clinical Characteristics and Posttraumatic Stress Disorder Based on Multivariate Analysisa.
| Predictors | B | S.E. | Wald | df | P value | EXP(B) | 95% CI |
|---|---|---|---|---|---|---|---|
| Age, y | 0.040 | 0.010 | 15.949 | 1 | <0.001 | 1.040 | 1.020-1.061 |
| Number of children | 0.195 | 0.100 | 3.781 | 1 | 0.051 | 1.216 | 0.998-1.481 |
| Hospital stay, d | 0.037 | 0.031 | 1.449 | 1 | 0.229 | 1.038 | 0.977-1.102 |
| Employment status (unemployed) | 1.100 | 0.297 | 13.718 | 1 | <0.001 | 3.004 | 1.678-5.375 |
| Marital status (single) | 1.659 | 0.810 | 4.199 | 1 | 0.040 | 5.254 | 1.075-25.687 |
| Mechanical ventilation (yes) | 1.249 | 0.326 | 14.704 | 1 | <0.001 | 3.487 | 1.842-6.603 |
| Additional comorbidities (yes) | 1.173 | 0.310 | 14.334 | 1 | <0.001 | 3.230 | 1.760-5.927 |
| Drugs abuse (yes) | 0.678 | 0.422 | 2.585 | 1 | 0.108 | 1.970 | 0.862-4.500 |
aAge, number of children and hospital stay were included in model as continuous variables and others were included as categorical variables. References categories defined as: employment status (employed), marital status (married), mechanical ventilation (no), additional comorbidities (no) and drugs abuse (no).