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Table 2 Proportionate to Facility Size Sample Calculation

From: Assessing health system factors affecting access and delivery of IPTp-SP and ITN to pregnant women attending ANC clinics in Ghana

Districts Health facilities Yearly, ANC registrants (Ni) Proportion of registrants wi = Ni / N Sample per facility
ni = wi*n
South Tongu Sogakope District Hospital 944 0.41 153
Richard Novarti Catholic Hospital 931 0.41 151
Dabala Health Centre 257 0.11 42
Agbakope CHPS Compound 160 0.07 26
Total (N) 2292 1 372
Agortime Ziope Kpetoe Health Centre 544 0.58 180
Ziope Health Centre 336 0.36 112
Akpokope CHPS Compound 51 0.05 16
Total (N) 931 1 308