Table 1

Demographic distributions in cases and controls. Figures are numbers (percentages) of participants

Cases (n=966)Controls (n=1716)
Region:
Thames regions367 (38.0)630 (36.7)
Southern Scotland152 (15.7)277 (16.1)
Trent199 (20.6)372 (21.7)
West Midlands115 (11.9)207 (12.1)
West Yorkshire133 (13.8)230 (13.4)
Age at reference date (years):
18-29100 (10.4)112 (6.5)
30-39199 (20.6)281 (16.4)
40-49216 (22.4)429 (25.0)
50-59328 (34.0)645 (37.6)
60-69123 (12.7)249 (14.5)
Men604 (62.5)829 (48.3)
Women362 (37.5)887 (51.7)
Deprivation score*:
1 (most affluent)257 (26.6)513 (29.9)
2229 (23.7)386 (22.5)
3178 (18.4)334 (19.5)
4181 (18.7)292 (17.0)
5 (least affluent)121 (12.5)191 (11.1)
  • * Townsend score (area based measure of deprivation) categorised into five equally sized groups based on 2001 census data.

  • † In control group includes seven people aged >69 at reference date.