Household presentation of acute gastroenteritis in a primary care sentinel network: retrospective database studies

Table 2 Demographic characteristics of individuals and households: 5 years retrospective cohort study

Category	Variable	N	%
Gender	Female	1,325,157	51.3
Gender	Male	1,258,540	48.7
Ethnicity	White	1,622,038	62.8
	Asian	172,388	6.7
	Black	90,790	3.5
	Other	25,320	0.98
	Mixed	50,162	1.94
	Unknown	622,999	24.1
IMD Quintile	1 (Most deprived)	454,849	17.6
	2	470,726	18.2
	3	475,616	18.4
	4	542,786	21.0
	5 (least deprived)	639,720	24.8
Urban Rural	City and Town	518,210	45.1
	Conurbation	450,528	39.2
	Rural	181,540	15.8
NHS Region	London	257,768	22.4
	Midlands and East	191,617	16.7
	North	349,583	30.4
	South	351,647	30.6
Total		2,583,697	100

There were 2,583,697 individuals in 1,150,278 households in our retrospective cohort study. Within this group were 3967 cases of AGE household incidence. Approximately 27% of households with two or more people had a child under 5 years (though this varies from year to year). The median household size was 3.0 (interquartile range 2.0, maximum 11, mean 3.4)

ISSN: 1471-2458