Starters | DNS | RD (%) versus control* | p Value† |
PRR versus control‡ (95% CI) | p Value§ | |||
N | % | N | % | % | ||||
Control group (n=53,734) | 43 425 | 80.8 | 10 309 | 19.2 | — | |||
Illness group (n=172) | 134 | 77.9 | 38 | 22.1 | −3.5 (−9.5 to 2.7) | 0.2630 | 1.16 (0.89 to 1.52) | 0.2693 |
Information (n=143) | 119 | 83.2 | 24 | 16.8 | −1.9 (−8.1 to 4.3) | 0.5493 | 0.88 (0.62 to 1.25) | 0.4679 |
Advised not to run (n=23) | 10 | 43.5 | 13 | 56.5 | 40.0 (19.7–60.3) | 0.0001 | 3.07 (2.18 to 4.32) | <0.0001 |
Other advice (n=6) | 5 | 83.3 | 1 | 16.7 | — | — | 0.94 (0.19 to 4.54) | 0.9387 |
*RD—adjusted for demographic variables: year of race, race type (21.1 km and 56 km), gender.
†p value: pairwise versus control group for RD.
‡PRR—adjusted for demographic variables: year of race, race type (21.1 km and 56 km), gender.
§p Value: pairwise versus control group for PRR.
DNS, did-not-start; PRR, prevalence risk ratio; RD, risk difference.