Description between caregivers with ZBI ≥17 and ZBI <17
| Patient demographics | Number of patients (n=80) | Number of caregivers with ZBI ≥17 (n=24) | Number of caregivers with ZBI <17 (n=56) | P value |
| Age (years) | 0.616 | |||
| 80 (%) | 45 (56.3%) | 13 (54.2%) | 32 (57.1%) | |
| 61–80 (%) | 29 (36.3%) | 8 (33.3%) | 21 (37.5%) | |
| 41–60 (%) | 5 (6.3%) | 3 (12.5%) | 2 (3.6%) | |
| <40 (%) | 1 (1.3%) | 0 (0.0%) | 1 (1.8%) | |
| Gender | 0.207 | |||
| Female (%) | 52 (65.0%) | 18 (75.0%) | 34 (60.7%) | |
| Male (%) | 28 (35.0%) | 6 (25.0%) | 22 (39.7%) | |
| Race | 0.582 | |||
| Chinese (%) | 70 (87.5%) | 22 (91.7%) | 48 (85.7%) | |
| Malay (%) | 8 (10.0%) | 2 (8.3%) | 6 (10.7%) | |
| Indian (%) | 2 (2.5%) | 0 (0.0%) | 2 (3.6%) | |
| Modified Barthel Index | 0.340 | |||
| <15 (moderate disability) (%) | 44 (55.0%) | 15 (62.5%) | 29 (51.8%) | |
| >16 (independent) (%) | 26 (32.5%) | 6 (25.0%) | 20 (35.7%) | |
| <10 (severe disability) (%) | 10 (12.5%) | 3 (12.5%) | 7 (12.5%) | |
| Number of comorbidities | 0.799 | |||
| >5 (%) | 39 (48.8%) | 12 (50.0%) | 27 (48.2%) | |
| 2–5 (%) | 33 (41.3%) | 10 (41.7%) | 23 (41.1%) | |
| <2 (%) | 8 (10.0%) | 2 (8.3%) | 6 (10.7%) | |
| Abbreviated Mental Test | 0.289 | |||
| >6 (mild/no impairment) (%) | 48 (60.0%) | 13 (54.2%) | 35 (62.5%) | |
| 0–3 (severe impairment) (%) | 19 (23.8%) | 8 (33.3%) | 11 (19.6%) | |
| 4–6 (moderate impairment) (%) | 13 (16.3%) | 3 (12.5%) | 10 (17.9%) | |
| Number of medications | 0.731 | |||
| 5–10 (%) | 39 (48.8%) | 10 (41.7%) | 30 (53.6%) | |
| >10 (%) | 29 (36.3%) | 9 (37.5%) | 19 (33.9%) | |
| <5 (%) | 12 (15.0%) | 5 (20.8%) | 7 (12.5%) | |
| Clinical frailty score | 0.036 | |||
| Very fit (%) | 1 (1.3%) | 0 (0.0%) | 1 (1.8%) | |
| Well (%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | |
| Managing well (%) | 2 (2.5%) | 0 (0.0%) | 2 (3.6%) | |
| Vulnerable (%) | 9 (11.3%) | 0 (0.0%) | 9 (16.1%) | |
| Mildly frail (%) | 20 (25.0%) | 6 (25.0%) | 14 (25.0%) | |
| Moderately frail (%) | 8 (10.0%) | 2 (8.3%) | 6 (10.7%) | |
| Severely frail (%) | 23 (28.8%) | 11 (45.8%) | 12 (21.4%) | |
| Very severely frail (%) | 12 (15.0%) | 4 (16.7%) | 8 (14.3%) | |
| Terminally ill (%) | 5 (6.3%) | 1 (4.2%) | 4 (7.1%) |