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Table 1 Demographic characteristics of the analytic sample

From: Comparison of prevalence and exposure-disease associations using self-report and hospitalization data among enrollees of the world trade center health registry

Characteristic N %
Gender
 Male 10,910 60.5
 Female 7116 39.5
Race
 White non-Hispanic 12,586 69.8
 Black non-Hispanic 1858 10.3
 Hispanic 2081 11.5
 Asian 1011 5.6
 Other 490 2.6
Age at 9/11
 0–17 223 1.2
 18–24 578 3.2
 25–44 9185 51.0
 45–64 7625 42.3
 65+ 414 2.3
Education
 High School Diploma or less 3989 22.2
 Some College 4570 25.4
 College Degree/Post grad 9431 52.4
PTSD at Wave 1
 Yes 2666 14.9
 No 15,201 85.1
Exposed to Dust Cloud
 Yes 10,262 57.2
 No 7675 42.8
Injured on 9/11
 Yes 2641 14.8
 No 15,261 85.2
Witnessed Traumatic Events on 9/11
 Yes 6823 38.6
 No 10,855 61.4