Characteristic | Cohort 1 (n = 1924) | Cohort 2 (n = 1781) |
---|---|---|
Age (years, mean (SD))a | 75.0 (6.1) | 75.3 (6.1) |
Female sex (n (%)) | 1052 (54.7) | 977 (54.9) |
Education level (n (%))b | ||
 Primary | 994 (51.7) | 939 (52.8) |
 Secondary | 602 (31.3) | 553 (31.1) |
 Tertiary | 326 (17.0) | 287 (16.1) |
Living alone (n (%)) | 679 (35.3) | 652 (36.6) |
Polypharmacy (n (%))c | 774 (40.6) | 728 (41.3) |
No. of chronic diseases (n (%))d | ||
 0 | 181 (9.4) | 154 (8.6) |
 1 | 387 (20.1) | 361 (20.3) |
 2 | 475 (24.7) | 435 (24.4) |
 3+ | 881 (45.8) | 831 (46.7) |
Depression (n (%))e | ||
 None/mild | 1087 (57.5) | 985 (56.4) |
 Moderate | 579 (30.7) | 547 (31.3) |
 Severe | 223 (11.8) | 215 (12.3) |
Cognitive impairment (n (%))f | 178 (9.3) | 173 (9.7) |
Disability (n (%))g | 397 (20.6) | 382 (21.5) |
Drug Burden Index score | ||
 Mean (SD) | 0.63 (0.71) | 0.64 (0.70) |
 Median (IQR) | 0.44 (0.07–0.88) | 0.46 (0.08–0.91) |
Drug Burden Index groups (n (%)) | Â | Â |
 0 | 727 (37.8) | 706 (39.6) |
  > 0 to < 1 | 934 (48.5) | 850 (47.7) |
  ≥ 1 | 263 (13.7) | 225 (12.6) |