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Table 1 Study sites and sampling methods presented under elected provinces and sub-districts

From: Factors associated with patterns of plural healthcare utilization among patients taking antiretroviral therapy in rural and urban South Africa: a cross-sectional study

Province Western Cape Gauteng Mpumalanga Kwa-Zulu Natal
Site (Sub-district) selected Mitchell’s Plain Soweto Bushbuckridge Hlabisa
Classification Urban Urban Rural Rural
Population 290000 1100000 620000 228000
ART facilities 03 07 02 16
Facility sampling method All Self-weighting Stratified All Probability Proportional to Size
Facilities sampled 03 03 02 05
Participants sampled 323 331 312 300
Participants sampling method Systematic Systematic Systematic Systematic