Impact of MM on 8-year mortality (from recruitment)
| N | py | Deaths (n) | Death rate per 1000 py | Crude HR (95% CI) | Adjusted HR* (95% CI) | |
| Overall | ||||||
| With no MM | 140 605 | 1 093 798 | 9071 | 8.3 | 1 | 1 |
| With MM | 111 084 | 828 231 | 16 820 | 20.3 | 2.47 (2.40 to 2.53) | 1.36 (1.32 to 1.40) |
| Age 45–59† | ||||||
| With no MM | 78 711 | 625 463 | 1219 | 1.9 | 1 | 1 |
| With MM | 37 374 | 294 385 | 1241 | 4.2 | 2.16 (2.00 to 2.34) | 1.59 (1.46 to 1.73) |
| Age 60–74 | ||||||
| With no MM | 46 290 | 361 559 | 2625 | 7.3 | 1 | 1 |
| With MM | 46 770 | 357 454 | 4757 | 13.3 | 1.84 (1.75 to 1.93) | 1.49 (1.41 to 1.57) |
| Age 75+ | ||||||
| With no MM | 15 604 | 106 775 | 5227 | 49.0 | 1 | 1 |
| With MM | 26 940 | 176 392 | 10 822 | 61.4 | 1.27 (1.23 to 1.31) | 1.15 (1.11 to 1.19) |
*Adjusted for sex, current working status, needing help with daily activities and good quality of life.
†P interaction <0.05, age versus MM status.
MM, multimorbidity; py, person-year.