highly significantP < 0.01
Effective coverage rates were 87.4% in urban cluster and 95.3% in rural clusters, and the difference was highly significant ( z = 3.57, P < 0.01).
Effective coverage rates were 87.4% in urban cluster and 95.3% in rural clusters, and the difference was highly significant ( z = 3.57, P < 0.01).