Baseline care home characteristics after matching (figures show per cent of care homes unless otherwise specified)
| Residential care homes | Nursing homes | |||
| Principia | Matched controls | Principia | Matched controls | |
| Number of residents (residencies) | 203 | 203 | 365 | 365 |
| Number of care homes | 13 | 47 | 10 | 27 |
| Number of beds per care home, mean (SD) | 38.25 (20.03) | 38.89 (17.54) | 52.05 (16.81) | 54.51 (25.49) |
| Care home registered as caring for older people only | 100.0% | 100.0% | 78.4% | 78.4% |
| Rural setting | 56.2% | 52.7% | 55.3% | 39.5% |
| Index of Multiple Deprivation (IMD) quintile | ||||
| 1 (most deprived) | N/A | 0%–5% | N/A | 0%–5% |
| 2 | N/A | 0%–5% | N/A | 0%–5% |
| 3 | 25%–30% | 15%–20% | N/A | 0%–5% |
| 4 | 0%–5% | 25%–30% | 55%–60% | 55%–60% |
| 5 (least deprived) | 65%–70% | 50%–55% | 40%–45% | 40%–45% |
| Care home location (local authority) | ||||
| Principia* | 100.0% | 0.0% | 100.0% | 0.0% |
| Harborough | N/A | 18.7% | N/A | 3.0% |
| Blaby | N/A | 15.3% | N/A | 7.4% |
| Test Valley | N/A | 8.4% | N/A | 37.3% |
| South Cambridgeshire | N/A | 22.2% | N/A | 27.1% |
| Chelmsford | N/A | 19.2% | N/A | 13.2% |
| Brentwood | N/A | 16.3% | N/A | 12.1% |
All percentages are based on number of residents (residencies). For IMD quintiles, ranges are provided to ensure that the percentages are not disclosive. See online supplementary file 3 for an assessment of the balance between Principia and the matched control groups.
*Includes Rushcliffe and one care home in a neighbouring area receiving Principia enhanced support.
N/A, not applicable.