Table 5.
Detection rates for new cases of dementia pre/post-intervention period by randomization arm
| Period | Rates | Intervention practices | Control practices |
|---|---|---|---|
| Preintervention period |
Combined |
1.12% |
0.63% |
| Minimum |
0.17% |
0% |
|
| Maximum |
3.45% |
4.4% |
|
| Postintervention period | Combined |
0.74% |
0.50% |
| Minimum |
0% |
0% |
|
| Maximum | 1.06% | 4.1% |
Case detection rates were unaffected by the intervention. The estimated incidence rate ratio (IRR) for the intervention versus the control group from the multilevel Poisson regression modeling was 1.03; the P value was 0.927 with 95% confidence intervals 0.57, 1.86.