Table 3.
Negative Binomial Regressions for the Association Between Peritraumatic Reactions and Confounding Variables with PTSD Symptoms
| Association with PTSD Symptoms | IRR | 95% CI | p-value |
|---|---|---|---|
| Bivariate analysis | |||
| Tonic immobility | 1.029 | 1.026–1.032 | 0.000 |
| Dissociation | 1.027 | 1.025–1.029 | 0.000 |
| Panic reactions | 1.035 | 1.031–1.038 | 0.000 |
| Multivariate analysis | |||
| Tonic immobility (Dissociation + Panic) | 1.009 | 1.006–1.013 | 0.000 |
| Tonic immobility (Dissociation + Panic + Age + Gender + Time since trauma) | 1.009 | 1.005–1.012 | 0.000 |