A self-controlled case series study to measure the risk of SARS-CoV-2 infection associated with attendance at sporting and cultural events: the UK Events Research Programme events

Table 3 Association between event attendance and testing positive for COVID-19

Event type People testing positive N	Positive test during baseline	Positive test during high risk period	Crude rate ratio	Adjusted rate ratio^a (95% CI)
Indoor seated (Piccadilly Theatre, Leeds Grand, The Grange)
30	15	15	1.29 (0.63–2.63)	1.16 (0.53–2.57)
Outdoor unstructured (Tramlines, Latitude, Goodwood)
2012	469	1543	3.31 (2.97–3.68)	1.70 (1.52–1.89)
Outdoor seated (Cricket, RFL Challenge Cup, Grosvenor Park, Silverstone, Wimbledon)
783	380	403	1.35 (1.17–1.55)	1.12 (0.95–1.30)
Outdoor partially structured (Open Golf)
532	285	247	1.07 (0.90–1.27)	0.65 (0.51–0.83)

Abbreviations: RFL Rugby Football League
^aAdjusted for regional prevalence and accounting for trends in testing over the observation period by dividing the rate ratio for positive tests by the rate ratio for negative tests over the same period

ISSN: 1741-7015