Table 2 Bivariate and multivariate analysis of PTSD symptoms among the adult survivors
| Â | PTSD, No. (%) | Bivariate OR (95% CI) | PValue | Multivariate OR (95% CI) | PValue | |
|---|---|---|---|---|---|---|
Overall | 42 (15.2) | Â | Â | Â | Â | |
Demographics | Â | Â | Â | Â | Â | |
   Age group |  |  |  |  |  | |
Younger adults (< 60 y) Elders (≥ 60 y) | 11 (8.0) 31 (22.5) | 1.00 3.35 (1.61-6.97) | 0.001 | 1.00 3.56 (1.57-8.06) | 0.002 | |
   Sex |  |  |  |  |  | |
Male Female | 17 (11.5) 25 (19.5) | 1.00 1.87 (0.96-3.65) | 0.07 | Â | Â | |
   Ethnicity |  |  |  |  |  | |
Han | 17 (15.5) | 1.03 (0.53-2.01) | Â | Â | Â | |
Ethnic minorities | 25 (15.1) | 1.00 | 0.93 | Â | Â | |
   Marital status |  |  |  |  |  | |
Married or living together Others (unmarried, divorced, etc.) | 32 (16.0) 10 (13.2) | 1.26 (0.59-2.70) 1.00 | 0.56 | Â | Â | |
   Education level |  |  |  |  |  | |
Primary school or lower Higher than primary school | 26 (18.7) 16 (11.7) | 1.74 (0.89-3.41) 1.00 | 0.11 | Â | Â | |
Earthquake-related experiences | Â | Â | Â | Â | Â | |
   Having been in serious danger |  |  |  |  |  | |
Yes No | 33 (19.8) 9 (8.3) | 2.74 (1.25-5.98) 1.00 | 0.01 | 3.12 (1.32-7.37) 1.00 | 0.009 | |
   Having been seriously injured |  |  |  |  |  | |
Yes No | 10 (30.3) 32 (13.2) | 2.87 (1.25-6.58) 1.00 | 0.01 | NA | Â | |
   Having family members or friends seriously injured |  |  |  |  |  | |
Yes No | 11 (22.4) 31 (13.7) | 1.83 (0.85-3.96) 1.00 | 0.12 | Â | Â | |
   Having witnessed someone being killed or seriously injured |  |  |  |  |  | |
Yes | 27 (19.3) | 1.93 (0.98-3.81) | Â | Â | Â | |
Yes No | 27 (19.3) 15 (11.0) | 1.93 (0.98-3.81) 1.00 | 0.06 | Â | Â | |
   Having Lost family members |  |  |  |  |  | |
Yes No | 15 (39.5) 27 (11.3) | 5.10 (2.37-10.94) 1.00 | <0.001 | 3.43 (1.46-8.02) 1.00 | 0.005 | |
   Having Lost significant others |  |  |  |  |  | |
Yes No | 23 (23.0) 19 (10.8) | 2.47 (1.27-4.80) 1.00 | 0.008 | NA | Â | |
   Having one's house seriously damaged |  |  |  |  |  | |
Yes 1.00 | 36 (15.9) 6 (12.2) | 1.35 (0.54-3.41) 1.00 | 0.52 | Â | Â | |
   Having Lost important belongings |  |  |  |  |  | |
Yes No | 21 (18.6) 21 (12.9) | 1.54 (0.80-2.98) 1.00 | 0.20 | Â | Â | |
   Having felt extremely anxious about one's own life |  |  |  |  |  | |
Yes No | 34 (15.0) 8 (16.0) | 1.00 1.08 (0.47-2.49) | 0.87 | Â | Â | |
Having felt scared that family members or significant others would die or be seriously injured | Â | Â | Â | Â | Â | |
Yes No | 40 (15.8) 2 (8.7) | 1.97 (0.45-8.74) 1.00 | 0.37 | Â | Â | |
   Having felt guilt concerning someone's death or injury |  |  |  |  |  | |
Yes No | 31 (25.6) 11 (7.1) | 4.51 (2.16-9.42) 1.00 | <0.001 | 5.22 (2.32-11.75) 1.00 | <0.001 | |
   Utilization of mental health services |  |  |  |  |  | |
Yes No | 1 (2.3) 41 (17.7) | 1.00 9.23 (1.24-68.97) | 0.03 | 1.00 7.31 (0.93-57.23) | 0.06 | |