Comparison of variables with total scores on the standardised measures (n = 45)
| Variable | Yes | No | Mann-Whitney U test (corrected for ties) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean rank | (No) | Mean rank | (No) | z | p Value (two tailed) | ||||||
| GHQ-28 total score | |||||||||||
| Predisposition to mood swings | 28.60 | (21) | 18.10 | (24) | −2.82 | 0.005 | |||||
| Predisposition to worry | 29.57 | (23) | 16.14 | (22) | −3.62 | 0.000 | |||||
| Psychiatric history | 34.50 | (6) | 21.23 | (39) | −2.43 | 0.015 | |||||
| Peritraumatic dissociation | 28.90 | (15) | 20.05 | (30) | −2.25 | 0.024 | |||||
| Experienced fright immediately after the accident | 27.15 | (24) | 18.26 | (21) | −2.40 | 0.017 | |||||
| Injury caused by tools/machinery | 20.16 | (31) | 29.29 | (14) | −2.28 | 0.023 | |||||
| IES-R total score | |||||||||||
| Predisposition to mood swings | 29.40 | (21) | 17.40 | (24) | −3.52 | 0.000 | |||||
| Psychiatric history | 33.83 | (6) | 21.33 | (39) | −2.19 | 0.029 | |||||
| Experience of a previous accident | 33.69 | (8) | 20.69 | (37) | −2.56 | 0.010 | |||||
| Peritraumatic dissociation | 28.50 | (15) | 20.25 | (30) | −2.00 | 0.045 | |||||
| Still upset by the memory of the accident | 28.79 | (14) | 20.39 | (31) | −2.00 | 0.045 | |||||
| SAS-M total score | |||||||||||
| Predisposition to mood swings | 32.10 | (21) | 15.04 | (24) | −4.37 | 0.000 | |||||
| Predisposition to worry | 29.76 | (23) | 15.93 | (22) | −3.55 | 0.000 | |||||
| Psychiatric history | 39.25 | (6) | 20.50 | (39) | −3.27 | 0.001 | |||||
| Peritraumatic dissociation | 29.07 | (15) | 19.97 | (30) | −2.23 | 0.028 | |||||
| Experienced fright immediately after the accident | 27.54 | (24) | 17.81 | (21) | −2.49 | 0.013 | |||||
| Injury caused by tools/machinery | 18.40 | (31) | 33.18 | (14) | −3.51 | 0.000 | |||||