Table 1.
Participant's demographics and PET parameters.
| Characteristic | Overall (N = 20) | |||
|---|---|---|---|---|
| Age at scan (years) | 56.00 ± 4.72 | |||
| Age at 9/11 (years) | 39.35 ± 4.85 | |||
| Sex | ||||
| Male | 18 (90%) | |||
| Female | 20 (10%) | |||
| Race | ||||
| White | 18 (90%) | |||
| Black | 20 (10%) | |||
| Ethnicity | ||||
| Non-Hispanic | 18 (90%) | |||
| Hispanic | 20 (10%) | |||
| Educational attainment | ||||
| High School | 1 (5%) | |||
| Some College | 13 (65%) | |||
| Bachelor's degree | 6 (30%) | |||
| Occupation at 9/11 | ||||
| Police | 15 (75%) | |||
| Other | 5 (25%) | |||
| BMI (kg/m2) | 30.66 ± 3.55 | |||
| AUDIT | 2.90 ± 1.92 | |||
| Smoking Status | ||||
| Never | 18 (90%) | |||
| Former | 1 (5%) | |||
| Current | 1 (5%) | |||
| TSPO polymorphism | ||||
| HAB | 9 (45%) | |||
| MAB | 11 (55%) | |||
| FEPPA dose (MBq) | 157.14 ± 10.77 | |||
| Specific activity (MBq/μg) | 321 ± 151.2 | |||
| eTIV (cm3) | 1632.0 ± 178.1 |
Note: Means (±Standard Deviations) or percentages (%) reported.
Abbreviations: BMI = body mass index; AUDIT = Alcohol Use Disorder Identification Test; HAB = high affinity binder; MAB = mixed affinity binder; MBq = Megabecquerel; eTIV = estimated total intracranial volume.