Table 1 Summary characteristics of the astronauts with reaction self-test (RST) data.
From: Dynamic ensemble prediction of cognitive performance in spaceflight
|  | (N = 24) |
|---|---|
Sex, n (%) | |
 Male | 19 (79.2) |
 Female | 5 (20.8) |
Age at dock, years | 48.2 (4.78) |
Prior days in space | 53.5 (72.7) |
Prior missions | 1.29 (0.86) |
Highest educational attainment, n (%) | |
 Master's | 14 (58.3) |
 MD/PhD | 10 (41.7) |
Nationality/agency, n (%) | |
 USA/NASA | 16 (66.7) |
 Non-USA/non-NASA | 8 (33.3) |
Average pre-flight overall performance score (OPS) | 0.95 (0.02) |
Number of in-flight RST observations | 87.2 (18.8) |