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Table 1 Expected sample sizes and samples size achieved per zoba

From: A steep decline of malaria morbidity and mortality trends in Eritrea between 2000 and 2004: the effect of combination of control methods

Zone (Zoba)

Number of households

Sick children under five years

Pregnant women

Minimum sample size expected

Sample size reached

Minimum sample size expected

Sample size reached

Anseba

380

71

72

64

Debub

380

48

72

61

Gash-Barka

380

42

72

55

Northern Red Sea

380

35

72

58

TOTAL

1520

196

288

238