SARS-CoV-2 incidence among teaching staff in primary and secondary schools—Wales, 2020–2021

BMC Public Health

Table 1 Denominator and case data with estimated incidence by school sector, age group and term

Term	Population	Setting	Age Group	Denominator	Cases	Incidence (per 100,000 person days)	95% UCI	95% LCI
Autumn	Teaching Staff	Primary School	19 to 24	1480	100	76.78	93.39	62.47
			25 to 29	2875	178	70.36	81.49	60.40
			30 to 39	7745	338	49.59	55.17	44.45
			40 to 49	9460	377	45.29	50.10	40.83
			50 to 59	7540	193	29.09	33.49	25.13
			60 to 65	1930	33	19.43	27.29	13.37
		Secondary School	19 to 24	805	43	60.70	81.77	43.92
			25 to 29	1820	74	46.20	58.01	36.28
			30 to 39	4555	123	30.69	36.61	25.50
			40 to 49	5345	164	34.87	40.63	29.73
			50 to 59	4035	103	29.01	35.18	23.68
			60 to 65	1005	9	10.18	19.32	4.64
	General Population	Community	19 to 24	240,130	10,481	49.60	50.56	48.65
			25 to 29	208,260	7106	38.77	39.69	37.88
			30 to 39	377,874	13,065	39.29	39.97	38.62
			40 to 49	368,628	12,217	37.66	38.34	37.00
			50 to 59	437,960	12,677	32.89	33.47	32.32
			60 to 65	230,003	4944	24.43	25.12	23.75
Summer	Teaching Staff	Primary School	19 to 24	1480	41	29.16	39.56	20.92
			25 to 29	2875	30	10.98	15.68	7.41
			30 to 39	7745	51	6.93	9.11	5.16
			40 to 49	9460	68	7.57	9.59	5.88
			50 to 59	7540	27	3.77	5.48	2.48
			60 to 65	1930	4	2.18	5.59	0.59
		Secondary School	19 to 24	805	18	23.54	37.20	13.94
			25 to 29	1820	19	10.99	17.16	6.61
			30 to 39	4555	28	6.47	9.35	4.30
			40 to 49	5345	32	6.30	8.90	4.31
			50 to 59	4035	18	4.70	7.42	2.78
			60 to 65	1005	1	1.05	5.83	0.01
	General Population	Community	19 to 24	240,130	3908	17.13	17.68	16.60
			25 to 29	208,260	1945	9.83	10.28	9.40
			30 to 39	377,874	3013	8.39	8.70	8.10
			40 to 49	368,628	2182	6.23	6.50	5.97
			50 to 59	437,960	1767	4.25	4.45	4.05
			60 to 65	230,003	615	2.81	3.05	2.60

ISSN: 1471-2458