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Mission Information for U.S. Astronauts Who Have Transited to the ISS
| Categories | Female | Male |
|---|---|---|
| Number of astronauts who went to/from the ISS regardless of mission duration | 26 (out of 129) | 103 (out of 129) |
| Percentage | 20% | 80% |
| Mean number of ISS missions | 1.5 | 1.8a |
| Mean duration of ISS missions in days | 50.1 | 39.3 |
| U.S. <60 days | 29 (out of 39) | 156 (out of 188) |
| Percentage | 74% | 83% |
| U.S. >60 days | 10 (out of 39) | 32 (out of 188) |
| Percentage | 26% | 17% |
Independent t‐test p<0.05 for females vs. males.
