Table 4.
Comparison of primary and secondary outcomes at six and 12 month follow-up assessments
| Outcome by follow-up | Intervention | Control | Difference in adjusted means (95% CI)† | P value† | Group×time interaction | |||
|---|---|---|---|---|---|---|---|---|
| Adjusted mean* (SE) | No | Adjusted mean* (SE) | No | |||||
| Primary | ||||||||
| Barthel index‡: | ||||||||
| 6 months | 4.78 (0.20) | 525 | 4.78 (0.22) | 448 | 0.004 (−0.52 to 0.53) | 0.99 | 0.35 | |
| 12 months | 3.93 (0.21) | 512 | 3.77 (0.22) | 430 | 0.16 (−0.40 to 0.72) | 0.58 | ||
| Secondary | ||||||||
| Rivermead mobility index: | ||||||||
| 6 months | 2.64 (0.11) | 421 | 2.67 (0.12) | 346 | −0.03 (−0.33 to 0.27) | 0.84 | 0.23 | |
| 12 months | 2.19 (0.13) | 354 | 2.46 (0.14) | 271 | −0.26 (−0.62 to 0.09) | 0.15 | ||
| Geriatric depression scale-15: | ||||||||
| 6 months | 6.20 (0.21) | 338 | 6.68 (0.22) | 284 | −0.48 (−1.04 to 0.09) | 0.10 | 0.57 | |
| 12 months | 6.22 (0.22) | 297 | 6.40 (0.25) | 219 | −0.18 (−0.80 to 0.43) | 0.56 | ||
| EQ-5D-3L§: | ||||||||
| 6 months | 0.22 (0.02) | 363 | 0.23 (0.02) | 315 | −0.01 (−0.05 to 0.04) | 0.72 | 0.56 | |
| 12 months | 0.20 (0.02) | 316 | 0.18 (0.02) | 244 | 0.02 (−0.03 to 0.07) | 0.48 | ||
*Adjusted by care home as a random effect, and baseline score, type of care home and centre as fixed effects.
†Tukey-Kramer adjusted confidence intervals and P values.
‡Participants who died before follow-up are given a Barthel score of zero.
§EuroQol group 5-dimension self report questionnaire (three levels).