The incidence (per 1000 player-days) (95% CI in brackets) of all illness, respiratory tract illness, gastrointestinal tract illness and all infective illness during the three time periods (baseline, travel, return)
| Baseline | Travel | Return | |
|---|---|---|---|
| All illness (n=469) | 15.4 (8.7 to 27.0) | 32.6 (19.6 to 53.5)a | 10.6 (6.1 to 18.2) |
| Respiratory tract illness (n=144) | 2.7 (1.4 to 5.1) | 7.8 (4.9 to 12.5)a | 4.2 (2.5 to 7.2) |
| Gastrointestinal illness (n=128) | 3.6 (1.7 to 7.7) | 11.0 (6.8 to 18.9)a | 1.5 (0.7 to 3.2) |
| All infective illness (n=254) | 9.0 (4.9 to 16.4) | 15.8 (9.5 to 26.0)a | 5.2 (2.9 to 9.1) |
ap=0.0001, significantly different from baseline and return.