Vulnerability factors for the exposed group
| Symptomatic subjects (n = 76) | Non-symptomatic subjects (n = 124) | p | |
|---|---|---|---|
| Age | 39±7 | 39±6 | NS |
| Family situation (married) | 86% | 83% | NS |
| Number of children | 1.7±1.1 | 1.5±1.1 | NS |
| Medical history | 9% | 7% | NS |
| Surgical history | 26% | 22% | NS |
| Psychiatric history | 5% | 2% | NS |
| Traumatic events | 47% | 32% | p<0.05 |
| Person-train accident | 43% | 52% | NS |
| Family psychol. history | 11% | 6% | NS |
| Acute stress factors | 24% | 11% | p<0.05 |
| Sustained stress situation | 26% | 7% | p<0.001 |
| Abnormal somatic exam | 9% | 3% | NS |
| Psychiatric follow up | 8% | 7% | NS |
| Psychotropic treatment immediately | 13% | 2% | p<0.001 |
| Psychotropic treatment during the study | 34% | 17% | p<0.01 |
| Accident: suicide | 64% | 56% | NS |
| Immediate help | 67% | 74% | NS |
| De-rostered | 43% | 41% | |
| Drove away alone | 12% | 3% | p<0.05 |
| Drove away accompanied | 45% | 56% | |
| Declared as occupational accident | 99% | 99% | NS |
| Number of days of leave | 5.4±3.2 | 3.7±1.6 | p<0.001 |