Table 5

Decision rules, alpha and beta errors for the 33 × 6 and 67 × 3 designs for the 10%, 15% and 20% GAM thresholds, assuming full sample size available for analysis

Sampling design
n
Decision rule (# of children with acute malnutrition) to reject Ho





10% GAM threshold
15% GAM threshold
20% GAM threshold

33 × 6 design
198
≤ 13 (α = 0.06, β = 0.12)
≤ 23 (α = 0.10, β = 0.18)
≤ 33 (α = 0.13, β = 0.22)
67 × 3 design
201
≤ 13 (α = 0.05, β = 0.13)
≤ 23 (α = 0.09, β = 0.20)
≤ 33 (α = 0.11, β = 0.24)

Deitchler et al. Emerging Themes in Epidemiology 2008 5:6   doi:10.1186/1742-7622-5-6