Comparison between the observed (O) and expected (E) number of patients with a new sexually transmitted infection (STI) diagnosis at sexual health clinics in London and Weymouth during the Olympic–Paralympic period
| 2012 Olympic–Paralympic period | Estimated average change from E at each clinic each week N (95% CI) | p Value | Estimated overall change from E in each period N (95% CI) | Difference between E and O (%) (95% CI) |
|---|---|---|---|---|
| Olympic Games (3 weeks) | −2.7 (−5.0 to −0.5) | 0.018 | −267.3 (−495.0 to −49.5) | −4.8 (−8.6 to −0.9) |
| Paralympic Games (2 weeks) | −2.1 (−4.7 to 0.6) | 0.126 | −138.6 (−310.2 to 39.6) | −4.0 (−8.5 to 1.2) |
| 1 week pre-Olympics | 0.3 (−3.2 to 3.9) | 0.854 | 9.9 (−105.6 to 128.7) | 0.5 (−5.4 to 7.5) |
| 2 weeks between Games | −1.0 (−3.6 to 1.7) | 0.476 | −66 (−237.6 to 112.2) | −1.8 (−6.0 to 3.1) |
| 1 week post-Paralympic | −0.9 (−4.4 to 2.6) | 0.625 | −29.7 (−145.2 to 85.8) | −1.6 (−7.2 to 4.8) |