Table 1 Comparison of included and excluded participants
|  | Included (n = 5888) | Excluded (n = 839) | P-value |
|---|---|---|---|
Gender, n(%) | |||
 Male | 2006 (34.1) | 316 (37.7) | 0.038 |
 Female | 3882 (65.9) | 522 (62.3) | |
Age at admission, median (IQR) | 86 (81–90) | 86 (80–90) | 0.352 |
Age at admission, mean (SD) | 84.9 (7.7) | 84.6 (8.2) | |
Age category in year, n (%) | |||
 65–74 | 617 (10.5) | 107 (12.7) | 0.215 |
 75–84 | 1822 (30.9) | 259 (30.9) | |
 85–94 | 2993 (50.8) | 415 (49.5) | |
 ≥ 95 | 456 (7.8) | 58 (6.9) | |
Country of birth, n (%) | |||
 Australia | 3737 (63.5) | 437 (52.1) | < 0.001 |
 Other country | 2151 (36.5) | 402 (47.9) | |
Resident status at the end of the studya, n (%) | |||
 Active | 2390 (40.6) | 591 (70.4) | < 0.001 |
 Deceased | 3498 (59.4) | 248 (29.6) | |
Resident type, n (%) | |||
 Permanent admissionb | 4794 (81.4) | 331 (39.5) | < 0.001 |
 Respite admission only | 1094 (18.6) | 508 (60.5) | |
Selected health status, n (%) | |||
 Dementia | 3044 (51.7) | 234 (27.9) | < 0.001 |
 Depression, mood and affective disorders | 2479 (42.1) | 177 (21.1) | < 0.001 |
 Cognitive impairment | 1980 (33.6) | 178 (21.2) | < 0.001 |
 Anxiety and stress-related disorders | 1893 (32.2) | 100 (11.9) | < 0.001 |
 Cerebrovascular accident | 1494 (25.4) | 129 (15.4) | < 0.001 |
 Diabetes mellitus | 1331 (22.6) | 159 (19.0) | 0.017 |
 Visual impairment | 984 (16.7) | 74 (8.8) | < 0.001 |
 Delirium | 593 (10.1) | 33 (3.9) | < 0.001 |
 Parkinson’s disease | 442 (7.5) | 40 (4.8) | 0.004 |