In the WHO recommended EPI Cluster sampling for assessing primary immunization coverage, the age group of children to be surveyed is:-
Correct Answer: 12-23 months
Description: Cluster random sampling: Used for immunization coverage evaluation Error rate for immunization coverage evaluation - +- 5% WHO recommended technique - 30 x 7 Total sample size - 210 Intercluster disparity - even the cluster are not comparable to each other; To remove intercluster disparity, we use DESIGN effect 30 clusters selected by systematic random sampling
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Social & Preventive Medicine
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