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Demographic characteristics.
| Demographic variable | With history of head injury (n = 302) |
Without history of head injury (n = 2499) |
|---|---|---|
| Age (M, SD) | 48.25 (8.52) | 48.03 (9.33) |
| Sex (% male) | 62 | 41 |
| Race (% Caucasian) | 57 | 58 |
| Poverty status (% below 125% poverty line) | 51 | 40 |
