Table 2.
Selected Characteristics at Baseline for the Participants in the World Trade Center Study (n = 2,282), New York, New York, 2002–2006
| Total (n = 2,282) | No History of PTSD (n = 1,865) | History of PTSD (n = 417) | ||||
|---|---|---|---|---|---|---|
| Characteristic | No. | % | No. | % | No. | % |
| Sex | ||||||
| Male | 1,034 | 45.3 | 874 | 46.9 | 160 | 38.4 |
| Female | 1,248 | 54.7 | 991 | 53.1 | 257 | 61.6 |
| Race | ||||||
| White | 1,363 | 59.7 | 1,133 | 61.7 | 230 | 55.7 |
| Black | 317 | 13.9 | 257 | 14.0 | 60 | 14.5 |
| Hispanic | 364 | 16.0 | 276 | 15.0 | 88 | 21.3 |
| Other | 204 | 9.1 | 169 | 9.2 | 35 | 8.5 |
| Age, yearsa | 44.7 (16.2) | 45.3 (16.6) | 42.4 (13.8) | |||
| Income, $ | ||||||
| <50,000 | 924 | 48.5 | 726 | 47.1 | 198 | 54.4 |
| 50,000—99,999 | 569 | 29.9 | 462 | 30.0 | 107 | 29.4 |
| ≥100,000 | 412 | 21.6 | 353 | 22.9 | 59 | 16.2 |
| Alcohol consumption | ||||||
| Abstinent | 1139 | 51.3 | 938 | 51.7 | 201 | 49.6 |
| Light Drinker | 834 | 37.6 | 689 | 38.0 | 145 | 35.8 |
| Heavy Drinker | 247 | 11.1 | 188 | 10.4 | 59 | 14.6 |
| Any lifetime violent victimization | 118 | 10.5 | 81 | 9.7 | 37 | 12.8 |
Abbreviation: PTSD, posttraumatic stress disorder.
a Values are expressed as mean (standard deviation).