Baseline characteristics of cases and controls
| Baseline characteristics | No | Cases | No | Controls | Significance |
|---|---|---|---|---|---|
| Age (years) | 100 | 79.9 (9.4) | 100 | 75.1 (9.6) | <0.001 |
| Residence (n) | 100 | 100 | |||
| Own home | 71 | 96 | χ2 = 22.7, df = 2, p<0.000 | ||
| Residential home | 14 | 2 | |||
| Nursing home | 15 | 2 | |||
| Comorbidity, No (%) | 96 | 94 | |||
| None | 17 (18) | 40 (43) | χ2 = 22.4, df = 2, p<0.001 | ||
| <3 | 32 (33) | 36 (38) | |||
| ⩾3 | 47 (49) | 18 (19) | |||
| Physical component score, mean (SD) | |||||
| Baseline | 81 | 38.9 (11.8) | 100 | 46 (10) | <0.001 |
| Health assessment score, mean (SD) | |||||
| Baseline | 91 | 0.83 (0.85) | 99 | 0.27 (0.51) | <0.001 |
| Mental component score, mean (SD) | |||||
| Baseline | 81 | 50.1 (12.6) | 100 | 56.6 (8.1) | <0.001 |