Table 1.
Demographic characteristics of study participants.
| Site 1 | Site 2 | Site 3 | Total | |
|---|---|---|---|---|
| N | 47 | 28 | 33 | 108 |
| Age (years old) | 25 (SD = 3.8) | 33 (5.2) | 31 (4.9) | 29 (5.9) |
| Prior head injury (yes/no) | 23% (of sample) | 41% | 42% | 34% |
| Prior blast exposure (yes/no) | 75% (of sample) | 65% | 79% | 74% |
| Prior breaching exposurea | 40–99 | 100–199 | 40–99 | 40–99 |
aHistory of breaching exposure was assessed by a 7-level ordinal scale item with the following response levels for number of explosive breaches experienced: 0, 1–9, 10–39, 40–99, 100–199, 200–399, or 400+. Responses were scored as values 0–6 and the descriptor in the table represents the level that corresponded to the average of scores.