Table 1 Participants’ characteristics at the 15th Month, stratified by residence
| Â | No (%). of participants | |||
|---|---|---|---|---|
Characteristics | Total | Wenchuan | Mao | P |
Demographics | ||||
 Age, y | ||||
  8-12 | 307 (51.5) | 134 (54.7) | 173 (49.3) | 0.19 |
  13-16 | 289 (48.5) | 111(45.3) | 178 (50.7) |  |
 Sex | ||||
  Boys | 297 (49.8) | 114 (46.5) | 183 (52.1) | 0.18 |
  Girls | 299 (50.2) | 131 (53.5) | 168 (47.9) |  |
 Ethnicity | ||||
  Han | 227 (38.1) | 146 (59.6) | 81 (23.1) | < 0.001 |
  Ethnic minoritiesa | 369 (61.9) | 99 (40.4) | 270 (76.9) |  |
Earthquake-related experiences | ||||
 Having been in serious danger (Eq1) | 297 (49.8) | 104 (42.4) | 193 (55.0) | 0.003 |
 Having been seriously injured (Eq2) | 58 (9.7) | 29 (11.8) | 29 (8.3) | 0.15 |
 Having family members or friends seriously injured (Eq3) | 101 (16.9) | 41 (16.7) | 60 (17.1) | 0.91 |
 Having witnessed someone being killed or seriously injured (Eq4) | 244 (40.9) | 108 (44.1) | 136 (38.7) | 0.19 |
 Having lost family members (Eq5) | 68 (11.4) | 32 (13.1) | 36 (10.3) | 0.29 |
 Having lost significant others (Eq6) | 145 (24.3) | 58 (23.7) | 87 (24.8) | 0.76 |
 Having one’s house seriously damaged (Eq7) | 425 (71.3) | 150 (61.2) | 275 (78.3) | < 0.001 |
 Having lost important belongings (Eq8)b | 244 (40.9) | 97 (39.6) | 147 (41.9) | 0.58 |
 Having felt extremely anxious about one’s own life (Eq9) | 439 (73.7) | 157 (64.1) | 282 (80.3) | < 0.001 |
 Having felt scared that family members or significant others would die or be seriously injured (Eq10) | 473 (79.4) | 170 (69.4) | 303 (86.3) | < 0.001 |
 Having felt guilt concerning someone’s death or injury (Eq11) | 220 (36.9) | 80 (32.7) | 140 (39.9) | .07 |