Sociodemographic characteristics of multimorbidity cohort, compared with remainder of registered population aged ≥18 years
| Demographic characteristic | Multimorbidity cohort: frequency (valid %) n=5597 | Non-multimorbidity cohort: frequency (valid %) n=326 756 |
| Female gender | 3042 (54.4) | 161 445 (49.4) |
| Age <65 years | 1899 (33.9) | 299 742 (91.7) |
| Age ≥65–74 years | 1249 (22.3) | 15 992 (4.9) |
| Age ≥75–84 years | 1479 (26.4) | 8038 (2.5) |
| Age ≥85 years | 970 (17.3) | 2884 (0.9) |
| White | 3022 (54.0) | 179 859 (55.0) |
| Black | 1553 (27.7) | 58 939 (18.0) |
| South Asian | 469 (8.4) | 22 323 (6.8) |
| Mixed | 197 (3.5) | 15 177 (4.6) |
| Other | 100 (1.8) | 9804 (3.0) |
| Unknown | 256 (4.6) | 40 654 (12.4) |
| Country of origin: UK* | 1413 (46.0) | 69 675 (45.2) |
| Language preference: English* | 3755 (84.0) | 240 287 (73.8) |
| Social deprivation: first quintile (most deprived)* | 1500 (26.8) | 63 374 (19.4) |
| Social deprivation: second quintile* | 1232 (22.0) | 63 073 (19.3) |
| Social deprivation: third quintile* | 995 (17.8) | 66 409 (20.3) |
| Social deprivation: fourth quintile* | 1013 (18.1) | 66 334 (20.3) |
| Social deprivation: fifth quintile (least deprived)* | 828 (14.8) | 64 306 (19.7) |
*Missing data with reduction in denominator number.