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Psychological stress assessed by the Impact of Event Scale-Revised
| Variable | Value |
|---|---|
| Categories (range of score) | |
| Minimal (0–23) | 239 (97.2) |
| Mild (24–32) | 3 (1.2) |
| Moderate (33–36) | 3 (1.2) |
| Severe (>36) | 1 (0.4) |
| Subscale (range of score) | |
| Intrusion subscale (0–32) (item Q 1,2,3,6,9,14,16,20) | 3.1±3.4 |
| Avoidance subscale (0–32) (item Q 5,7,8,11,12,13,17,22) | 2.0±2.6 |
| Hyperarousal subscale (0–24) (item Q 4,10,15,18,19,21) | 1.3±2.1 |
Values are presented as number (%) or mean±standard deviation.
