Estimates of domestic IID prevalence	Wave 1 27 Aug-17 Sep 2020 (A)	Wave 2 2-18 Dec 2020 (B)	Wave 3 15 Feb-3 Mar 2021 (C)	Wave 4 26 Aug-20 Sep 2021 (D)	Wave 5 9 Dec 2021-5 Jan 2022 (E)
England: Base sizes (n)	7187	7588	7522	7564	7676
England: domestic IID prevalence	5.6%	5.4%	5.0%	7.6% (ABCE)	6.4% (ABC)
Indicative Confidence Intervals	+/-0.5ppts	+/-0.5ppts	+/-0.5ppts	+/-0.6ppts	+/-0.5ppts
Wales: Base sizes (n)	432	426	456	469	397
Wales: domestic IID prevalence	4.4%	6.4%	5.1%	7.3%	6.3%
Indicative Confidence Intervals	+/-1.9ppts	+/-2.3ppts	+/-2.0ppts	+/-2.4ppts	+/-2.4ppts
Scotland: Base sizes (n)	736	784	736	798	718
Scotland: domestic IID prevalence	5.1%	6.8%	6.7%	9.3% (A)	8.4% (A)
Indicative Confidence Intervals	+/-1.6ppts	+/-1.7ppts	+/-1.8ppts	+/-2.0ppts	+/-2.0ppts
Northern Ireland: Base sizes (n)	190	195	202	169	142
Northern Ireland: domestic IID prevalence	8.9%	10.3% (E)	7.2%	9.6%	4.5%
Indicative Confidence Intervals	+/-4.0ppts	+/-4.3ppts	+/-3.6ppts	+/-4.4ppts	+/-3.4ppts