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Baseline characteristics
| Attendees (n=3917) | Non-attendees (n=1947) | ||
|---|---|---|---|
| Age | 28 (24–35) | 28 (24–35) | |
| Sex | |||
| Female, | 2312 (59·0%) | 1137 (58·4) | |
| Male | 1605 (41·0%) | 810 (41·6%) | |
| Declared COVID-19 history | 681 (17·4%) | 343 (17·6%) | |
| Vaccinated | |||
| No | 1943 (49·6%) | 970 (49·8%) | |
| One dose | 1684 (43·0%) | 844 (43·3%) | |
| Two doses | 290 (7·4%) | 133 (6·8%) | |
| Inclusion-to-first-dose interval, days | 14 (8–26) | 14 (7–25) | |
| Inclusion-to-second-dose interval, days | 26 (15–42) | 27 (17–56) | |
Data are n (%) or median IQR.
