Table 1.
Baseline characteristics of the cohort.
| Characteristics | IMD1 (most deprived) (N = 9,483) | IMD10 (least deprived) (N = 27,113) | Overall(N = 201,799) |
|---|---|---|---|
| Age (years), mean (SD) | 43.8 (13.0) | 46.3 (12.7) | 45.1 (12.9) |
| Age (years), median (IQR) | 45.0 (33.0–55.0) | 48.0 (39.0–57.0) | 47.0 (36.0–56.0) |
| Sex, n (%) | |||
| Male | 4048 (42.7) | 12,234 (45.1) | 89,116 (44.2) |
| Female | 5435 (57.3) | 14,879 (54.9) | 112,683 (55.8) |
| Ethnicity, n (%) | |||
| White | 8600 (90.7) | 25,679 (94.7) | 186,547 (92.4) |
| Non-White | 883 (9.3) | 1434 (5.3) | 15,252 (7.6) |
| Rural/urban, n (%) | |||
| Urban | 9211 (97.1) | 22,462 (82.8) | 160,623 (79.6) |
| Rural | 272 (2.9) | 4651 (17.2) | 41,176 (20.4) |
| Household size in persons, n (%) | |||
| 1 | 2081 (21.9) | 2299 (8.5) | 26,539 (13.2) |
| 2 | 3252 (34.3) | 8968 (33.1) | 74,264 (36.8) |
| ≥3 | 4150 (43.8) | 15,846 (58.4) | 100,996 (50.0) |
| Any co-morbid conditions, n (%) | |||
| No | 5484 (57.8) | 20,855 (76.9) | 145,886 (72.3) |
| Yes | 3999 (42.2) | 6258 (23.1) | 55,913 (27.7) |
| Country, n (%) | |||
| England | 7989 (84.2) | 22,668 (83.6) | 171,602 (85.0) |
| Scotland | 777 (8.2) | 2272 (8.4) | 15,253 (7.6) |
| Wales | 498 (5.3) | 1233 (4.5) | 9232 (4.6) |
| Northern Ireland | 219 (2.3) | 940 (3.5) | 5712 (2.8) |
| Occupational role | |||
| Non-healthcare patient/client facing | 1943 (20.5) | 5324 (19.6) | 42,013 (20.8) |
| Healthcare non-patient/client facing | 326 (3.4) | 1081 (4.0) | 7417 (3.7) |
| Healthcare patient/client facing | 624 (6.6) | 1675 (6.2) | 12,934 (6.4) |
| Other or unknown | 6590 (69.5) | 19,033 (70.2) | 139,435 (69.1) |
IMD: index of multiple deprivation; SD: standard deviation; IQR: interquartile range.