Table 1.
Baseline characteristics of study participants
| Characteristic | All (n=948) | Female (575, 61%) | Male (373, 39%) |
|---|---|---|---|
| Age (mean, SD) | 35 (13) | 35 (13) | 35 (13) |
| Education (n, %) | |||
| Secondary school | 283 (30) | 150 (26) | 133 (36) |
| Some college | 312 (33) | 172 (30) | 140 (38) |
| College graduate/post-graduate | 351 (37) | 252 (44) | 99 (27) |
| Income (n, %) | |||
| $0–$19,999 | 117 (12) | 84 (16) | 33 (10) |
| $20,000–$39,999 | 176 (19) | 115 (22) | 61 (19) |
| $40,000–$79,999 | 277 (29) | 178 (35) | 99 (30) |
| $80,000 or higher | 273 (29) | 139 (36) | 131 (41) |
| Collision type (n, %) | |||
| Front end | 439 (46) | 262 (46) | 177 (48) |
| Rear end | 340 (36) | 206 (36) | 134 (36) |
| Relationship (n, %) | |||
| No serious relationship | 297 (31) | 178 (31) | 119 (32) |
| In a serious relationship | 267 (29) | 171 (30) | 96 (26) |
| Married | 371 (39) | 217 (38) | 154 (42) |
| Peritraumatic Distress (n, %) | 355 (37) | 256 (47) | 99 (28) |
| Genotype (n, %) | |||
| AA | 732 (77) | 442 (77) | 290 (78) |
| AG | 197 (21) | 123 (21) | 74 (20) |
| GG | 17 (2) | 9 (2) | 8 (2) |