Table 3

Sample demographics and comparison with the English national populationa
Sample Population   χ²   P
n % n %
Age, years
 18 to 29 815 21.0 8623299 24.2
 30 to 39 772 19.9 7051522 19.8
 40 to 49 795 20.5 7773559 21.8
 50 to 59 699 18.0 6426080 18.1
 60 to 69 804 20.7 5719911 16.1 72.016 <0.001
Sex
 Male 1749 45.0 17685329 49.7
 Female 2136 55.0 17909042 50.3 33.837 <0.001
Ethnicity
 Whiteb 3354 86.3 30499391 85.7
 Asianc 308 7.9 2912044 8.2
 Otherd 223 5.7 2182936 6.1 1.471 0.479
Deprivation quintile
 1e 782 20.1 7149675 20.1
 2 758 19.5 7305972 20.5
 3 766 19.7 7199331 20.2
 4 773 19.9 7054694 19.8
 5 806 20.7 6884699 19.3 6.423 0.170

aPopulation data obtained from Office for National Statistics, Lower Super Output Area population estimates mid-2012 [21].

bIncluding White British, White Irish, White Gypsy or Irish Traveller, White Other.

cIncluding Indian, Pakistani, Bangladeshi, Chinese, Other Asian.

dIncluding Mixed/Multiple ethnic group, Black/African/Caribbean/Black British, Other ethnic group.

eFrom 1 (least deprived) to 5 (most deprived).

Bellis et al.

Bellis et al. BMC Medicine 2014 12:72   doi:10.1186/1741-7015-12-72

Open Data