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. 2012 Aug 21;7(8):e43081. doi: 10.1371/journal.pone.0043081

Table 2. Descriptive statistics of PTSD, quality of life, and physical diseases among participants from hard-hit and less-hit areas.

Variable Hard-hit area Less-hit area p-value
PTSD symptom
Re-experiencing, mean (SD) 9.1(3.4) 5.9(1.8) <0.001
Avoiding/numb, mean (SD) 9.0(2.9) 7.6(1.9) <0.001
Hyper-arousal, mean (SD) 7.9(3.0) 5.5(1.4) <0.001
Total score, mean (SD) 26.0(7.8) 19.1(4.5) <0.001
Quality of life
Physical functioning, mean (SD) 51.3(9.7) 53.3(8.0) <0.001
Role physical, mean (SD) 50.5(11.2) 53.8(8.0) <0.001
Bodily pain, mean (SD) 50.8(10.9) 52.6(7.7) <0.001
General health, mean (SD) 38.5(12.5) 42.8(11.7) <0.001
Vitality, mean (SD) 54.7(7.0) 57.1(6.5) <0.001
Social functioning, mean (SD) 54.5(6.3) 54.0(8.7) 0.119
Role emotional, mean (SD) 45.3(9.6) 48.9(7.9) <0.001
Mental health, mean (SD) 49.6(7.8) 51.8(7.0) <0.001
Mental component summary, mean (SD) 49.8(8.2) 51.8(7.7) <0.001
Physical component summary, mean (SD) 49.3(12.2) 51.8(9.2) <0.001
Physical diseases
Chronic diseases, No. (%) 473(39.2) 292(22.1) <0.001
Two-week prevalence rate, No. (%) 300(24.9) 168(12.7) <0.001