Table 1.
Participants’ Demographic and Flight Experience Information by Level of Expertise
| Pilot expertise level | |||
|---|---|---|---|
| Least (n = 62) | Moderate (n =127) | High (n = 47) | |
| Age in years, M (SD) | 56.2 (7.3) | 59.1 (6.4) | 55.7 (6.5) |
| Years of education, M (SD) | 16.5 (2.2) | 17.2 (2.0) | 17.2 (1.9) |
| Women, n (%) | 5 (8.5) | 21 (16.5) | 4 (8.6) |
| White, non-Hispanic, % | 57 | 126 | 43 |
| Total log hours, M (SD) | 1030 (1357) | 1999 (2008) | 5245 (2785) |
| Log hours in past month, mean (SD) | 6.1 (7.4) | 9.0 (10.8) | 14.7 (15.6) |
| Family history of dementia, %: “no/yes/not sure” | 79/21/0 | 60/32/9 | 79/21/0 |
Note. Log hours are the flight hours pilots document in their log books; that is, log hours are a measure of expertise.