Table 2 Summary measures from the reaction self-test (RST) data, including pre- and post-flight observations.
From: Dynamic ensemble prediction of cognitive performance in spaceflight
Total number of observations | (N = 2968) |
|---|---|
Period, n (%) | |
 Pre-flight | 506 (17.0) |
 In-flight | 2109 (71.1) |
 Post-flight | 353 (11.9) |
Time of day, n (%) | |
 Morning | 1568 (52.8) |
 Evening | 1379 (46.5) |
 Other | 21 (0.71) |
Alertness | |
 LRM-50 | − 33.0 (12.7) |
Sleep | |
 Time in bed sleeping, hours | 6.61 (1.30) |
 Time in bed not sleeping, hours | 0.61 (0.77) |
Self-report 11-point ratings | |
 Low workload (0–10) | 4.47 (2.18) |
 Very stressed (0–10) | 3.87 (2.01) |
 Poor sleep quality (0–10) | 3.60 (1.87) |
Medication use | |
 Caffeine, doses | 2.05 (1.50) |
 Sleep aid flag, n (%) | 131 (4.41) |
 Decongestant flag, n (%) | 25 (0.84) |
 Antihistamine flag, n (%) | 36 (1.21) |
 Pain medication flag, n (%) | 143 (4.82) |
Extravehicular activity (EVA) | |
 EVA today flag, n (%) | 8 (0.27) |
 EVA tomorrow flag, n (%) | 23 (0.77) |
