Table 2.
Incidence of hypertension by intervention group and dose-response to intervention 5 years after randomization.
|
New cases of hypertension during follow-up | Regression modela RR (95% CI) | P value | ||||
|
No (n=142) | Yes (n=50) | |||||
Intention-to-treat analysis | |||||||
|
Control | 69 (70.4%) | 29 (29.6%) | 1 (Reference) | — | ||
|
Intervention | 73 (77.7%) | 21 (22.3%) | 0.76 (0.45-1.28) | .30 | ||
Dose-response analysis | |||||||
|
Control | 69 (70.4%) | 29 (29.6%) | 1 (Reference) | — | ||
|
<50% (<6 calls) | 20 (66.7%) | 10 (33.3%) | 1.33 (0.64-2.75) | .44 | ||
|
≥50% (≥6 calls) | 53 (82.8%) | 11 (17.2%) | 0.55 (0.29-1.04) | .07 |
aModels were adjusted by age and sex, as randomization was stratified for these variables.