Variables | All participants (N = 1593) | Positive PTSD (n = 401) | Negative PTSD (n = 1192) | df | χ2 | p value |
---|---|---|---|---|---|---|
N(%) | n(%) | n(%) | ||||
Sex | ||||||
 Female | 976 (61.3) | 222 (22.7) | 754 (77.3) | 1 | 7.878 | 0.005 |
 Male | 617 (38.7) | 179 (29.0) | 438 (71.0) |  |  |  |
Age group (years) | ||||||
  < 30 | 749 (47.0) | 221 (29.5) | 528 (70.5) | 3 | 23.076 | <0.001 |
 30 ~ 39 | 479 (30.1) | 119 (24.8) | 360 (75.2) |  |  |  |
 40 ~ 49 | 257 (16.1) | 38 (14.8) | 219 (85.2) |  |  |  |
  ≥ 50 | 108 (6.8) | 23 (21.3) | 85 (78.7) |  |  |  |
Education level | ||||||
 Junior, middle school and below | 109 (6.8) | 24 (22.0) | 85 (78.0) | 2 | 9.062 | 0.011 |
 High school | 199 (12.5) | 34 (17.1) | 165 (82.9) |  |  |  |
 University-level | 1285 (80.7) | 343 (26.7) | 942 (73.3) |  |  |  |
Marital status | ||||||
 Single | 651 (40.9) | 182 (28.0) | 469 (72.0) | 2 | 4.928 | 0.085 |
 Married/cohabiting | 898 (56.4) | 207 (23.1) | 691 (76.9) |  |  |  |
 Divorced/widowed | 44 (2.8) | 12 (27.3) | 32 (72.7) |  |  |  |
Occupational status | ||||||
 Student | 226 (14.2) | 62 (27.4) | 164 (72.6) | 8 | 16.199 | 0.040 |
 Agriculture, forestry, fishery and animal husbandry | 38 (2.4) | 8 (21.1) | 30 (78.9) |  |  |  |
 Health care workers | 251 (15.8) | 83 (33.1) | 168 (66.9) |  |  |  |
 Police, firefighters, soldiers | 35 (2.2) | 12 (34.3) | 23 (65.7) |  |  |  |
 Accommodation, catering, entertainment, tourism | 83 (5.2) | 21 (25.3) | 62 (74.7) |  |  |  |
 Manufacturing, construction industry, transportation industry | 257 (16.1) | 53 (20.6) | 204 (79.4) |  |  |  |
 Financial industry | 246 (15.4) | 56 (22.8) | 190 (77.2) |  |  |  |
 Technical service industry | 210 (13.2) | 53 (25.2) | 157 (74.8) |  |  |  |
 Others | 247 (15.5) | 53 (21.5) | 194 (78.5) |  |  |  |
Region | ||||||
 Rural | 231 (14.5) | 54 (23.4) | 177 (76.6) | 1 | 0.463 | 0.566 |
 Urban | 1362 (85.5) | 347 (25.5) | 1015 (74.5) |  |  |  |
Area | ||||||
 Sichuan Province | 966 (60.6) | 226 (23.4) | 740 (76.6) | 3 | 7.114 | 0.068 |
 Chongqing City | 211 (13.3) | 50 (23.7) | 161 (76.3) |  |  |  |
 Guizhou Province | 206 (12.9) | 62 (30.1) | 144 (69.9) |  |  |  |
 Yunnan Province | 210 (13.2) | 63 (30.0) | 147 (70.0) |  |  |  |
Average income | ||||||
  < 1500 | 89 (5.6) | 26 (29.2) | 63 (70.8) | 4 | 9.143 | 0.058 |
 1500 ~ 2999 | 259 (16.3) | 54 (20.8) | 205 (79.2) |  |  |  |
 3000 ~ 5999 | 585 (36.7) | 152 (26.0) | 433 (74.0) |  |  |  |
 6000 ~ 8999 | 347 (21.8) | 89 (25.6) | 258 (74.4) |  |  |  |
  ≥ 9000 | 313 (19.6) | 80 (25.6) | 233 (74.4) |  |  |  |