Fig. 4
Maps were created using ArcGIS® software by Esri version 10.3 [22] (http://www.esri.com/)
Areas with high HIV prevalence (≥ 80th percentile) in A kriging model for the estimated HIV prevalence in the Africa Centre Demographic Information System study area using population-based data, B kriging model for the estimated HIV prevalence in the Africa Centre Demographic Information System study area using clinic-based data, C cokriging model for the estimated HIV prevalence in the Africa Centre Demographic Information System study area using clinic-based data, D kriging model for the estimated HIV prevalence in Tanzania using population-based data, E kriging model for the estimated HIV prevalence in Tanzania using clinic-based data, F cokriging model for the estimated HIV prevalence in Tanzania using clinic-based data.