Table 1

Characteristics of the sample

CharacteristicSummary (n=256 598)
Age (years)45.3 (12.3)
Sex, male115 904 (45)
Ethnicity
 White231 868 (90)
 Asian13 973 (5)
 Black3465 (1)
 Mixed4298 (2)
 Other2982 (1)
 Missing12 (0)
Occupation
 Education12 131 (5)
 Food processing1080 (0)
 Healthcare—office based777 (0)
 Healthcare—patient contact10 970 (4)
 Hospitality2462 (1)
 Manual10 387 (4)
 Other workers—non-office based11 351 (4)
 Other workers—office based70 210 (27)
 Personal care732 (0)
 Police and protective services3076 (1)
 Retail5875 (2)
 Sanitation services1610 (1)
 Social care6533 (3)
 Transport—non-public facing2990 (1)
 Transport—public facing1088 (0)
 Student/not working65 236 (25)
 Missing/incomplete50 090 (20)
Index of multiple deprivation
 140 810 (16)
 262 239 (24)
 373 118 (29)
 480 431 (31)
Urban–rural
 Major urban106 046 (41)
 Urban city town105 716 (41)
 Rural town23 318 (9)
 Rural village21 518 (8)
Household size
 134 764 (14)
 297 856 (38)
 352 013 (20)
 450 666 (20)
 5+21 299 (8)
Health conditions
 Yes44 599 (17)
 Missing3084 (1)
  • Mean (SD) or n (%).