Table 3.

Participation at second invitation for prevalent screen women, by age group

		Intervention group	Control group	Absolute difference in attendance	RR (95% CI)	p value
50–52 years
Number invited		2017	2072	..	..	..
Participation in screening
	Within 90 days of first offered appointment	347 (17%)	147 (7%)	10%	2·42 (1·99–2·95)	<0·0001
	Within 180 days of episode opened	369 (18%)	163 (8%)	10%	2·33 (1·93–2·80)	<0·0001
53–70 years
Number invited		4283	4445	..	..	..
Participation in screening
	Within 90 days of first offered appointment	283 (7%)	82 (2%)	5%	3·58 (2·80–4·58)	<0·0001
	Within 180 days of episode opened	307 (7%)	97 (2%)	5%	3·28 (2·61–4·13)	<0·0001

Data are number who participated (%) unless otherwise stated. RR=relative risk. Percentages for the difference in attendance have been rounded up.