Table 1.

Proportion of those with positive anti-N result, grouped by age, sex and vaccination status

	Anti-N Positive (n / N)	Percentage Positive (%)	95% CI
Age category
18-34	58 / 79	73∙42%	(63∙68, 83∙16)
35-49	121 / 143	84∙62%	(78∙7, 90∙53)
50-64	151 / 193	78∙24%	(72∙42, 84∙06)
65-79	100 / 120	83∙33%	(76∙66, 90)
80+	2 / 2	100%	(100, 100)
Sex
Female	253 / 324	78∙09%	(73∙58, 82∙59)
Male	177 / 211	83∙89%	(78∙93, 88∙85)
Missing data	2 / 2	100%	(100, 100)
Vaccinated
No	101 / 116	87∙07%	(80∙96, 93∙18)
Yes	308 / 396	77∙78%	(73∙68, 81∙87)
Missing data	23 / 25	92%	(81∙37, 102∙63)