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. 2007 Jun 1;4:8. doi: 10.1186/1742-7622-4-8

Table 1.

Vaccination coverage estimates using the three second-stage sampling methods

Central quartier Peripheral quartier
N* Vaccine coverage (95% CI) N Vaccine coverage (95% CI)

Spin-the-pen 82 90.2 (81.2, 95.4) 76 75.0 (63.5, 83.9)
GPS 114 85.9 (77.9, 91.5) 84 77.4 (66.7, 85.5)
Sample grid 85 87.1 (77.6, 93.1) 84 78.6 (68.0, 86.5)

*Estimates include all household members.