Table 6

Fur Baranga: decision rules, alpha and beta errors for the 33 × 6 and 67 × 3 designs for the 10%, 15% and 20% GAM thresholds, using actual sample size available for analysis

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







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

33 × 6 design
16
192
≤ 13 (α = 0.07, β = 0.10)
≤ 22* (α = 0.09, β = 0.21)
≤ 32* (α = 0.14, β = 0.22)
67 × 3 design
12
194
≤ 13 (α = 0.07, β = 0.10)
≤ 22* (α = 0.08, β = 0.22)
≤ 32* (α = 0.13, β = 0.24)

* Adjusted decision rule due to reduced sample size

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