Table 3 Assumptions, parameters, and sample size estimations for the cross-sectional surveys in Mali, Kenya, and Zambia
From: Attractive targeted sugar bait phase III trials in Kenya, Mali, and Zambia
Mali | Kenya | Zambia | |
|---|---|---|---|
Cluster per arm | 38 | 35 | 35 |
α (2-tailed) | 0.05 | 0.05 | 0.05 |
Power | 90% | 80% | 90% |
Baseline parasite prevalence measured by RDT among participants age 6 months and older | 50% | 29.0%b | 50.0% |
Reduction in baseline prevalence | 30% | 30% | 30% |
ICC = intracluster correlation coefficient (coefficient of variation) | 0.16 (cv = 0.4) | 0.05 | 0.10 |
Non-response | 20% | 20% | 20% |
Sample size per cluster (before non-response) | 25 (32) | 24 (30) | 16 (20) |
Total sample size per survey round/year (before non-response) | 1900 (2432) | 1680 (2100)a | 1120 (1400) |