Table 1.
Cluster (care home) characteristics
| All care homes* |
Study care homes |
||||
|---|---|---|---|---|---|
| Total | Intervention | Control | |||
| Number | 323 | 78 | 35 | 43 | |
| Type† | |||||
| Nursing | 81 (25%) | 18 (23%) | 9 (26%) | 9 (21%) | |
| Residential | 242 (75%) | 60 (77%) | 26 (74%) | 34 (79%) | |
| Ownership | |||||
| Private | 262 (81%) | 61 (78%) | 28 (80%) | 33 (77%) | |
| Voluntary or charity | 36 (11%) | 16 (21%) | 7 (20%) | 9 (21%) | |
| Local authority | 25 (8%) | 1 (1%) | 0 | 1 (2%) | |
| Size | |||||
| <32 beds | 158 | 43 | 20 | 23 | |
| ≥32 beds | 165 | 35 | 15 | 20 | |
| Mean number of beds (SD) | 34·89 (19·62) | 31·41 (11·49) | 31·54 (12·15) | 31·30 (11·08) | |
| Median cohort participants per home (IQR) | .. | 11 (8–15) | 11 (7–15) | 11 (9–15) | |
Data are n or n (%) unless otherwise specified.
*
All care homes registered on the Care Quality Commission website within the two geographical regions of the trial (northeast London, and Coventry and Warwickshire) during development of the trial (in 2008).
†
Minimisation factors were type of home (local authority, voluntary, private and care home, private and nursing home) and size of home (32 beds or fewer, or more than 32 beds).