Table 1. Demographic data.
| Variables | Non-trauma group (CROPS < 19) | Trauma group (CROPS ≥ 19) | Statistics | ||
|---|---|---|---|---|---|
| No. | 873 | 83 | |||
| Age, yr | 16.9 ± 0.8 | 17.1 ± 0.8 | T = 1.4, P = 0.151 | ||
| Gender | χ2 = 4.8, P = 0.030 | ||||
| Boys | 424 (48.6) | 26 (31.3) | |||
| Girls | 449 (51.4) | 57 (68.7) | |||
| Parental education | |||||
| Father | χ2 = 22.6, P = 0.000 | ||||
| Graduate school or higher | 42 (4.8) | 6 (7.8) | |||
| University/college graduate | 394 (45.1) | 26 (31.3) | |||
| High school graduate | 392 (44.9) | 44 (53.1) | |||
| Middle school graduate or less | 9 (1.0) | 4 (4.7) | |||
| Nonresponse | 36 (4.1) | 3 (3.1) | |||
| Mother | χ2 = 2.4, P = 0.874 | ||||
| Graduate school or higher | 19 (2.2) | 2 (2.4) | |||
| University/college graduate | 335 (38.3) | 25 (29.7) | |||
| High school graduate | 466 (53.4) | 51 (61.4) | |||
| Middle school graduate or less | 14 (1.6) | 1 (1.2) | |||
| Nonresponse | 39 (4.5) | 4 (4.9) | |||
| SES | χ2 = 11.4, P = 0.079 | ||||
| High | 9 (1.0) | 4 (4.7) | |||
| Middle | 848 (97.1) | 77 (92.2) | |||
| Low | 9 (1.0) | 1 (1.2) | |||
| Nonresponse | 7 (0.8) | 1 (1.2) | |||
Data are presented as means ± standard deviation (range) or number (%).
CROPS = Child Report of Posttraumatic Symptoms, SES = subjective economic status.