Fig. 2

Map of remote health facilities, less/more developed districts, and urban/rural villages in the provinces of Bengkulu and South Sumatera. Illustrates the locations of the three rural area definitions in Bengkulu and South Sumatera—provinces located in Sumatera Island. The proportion of less developed districts and rural villages varies across provinces. For example, 10% of districts in Bengkulu and 12% in South Sumatra are less developed, compared to 90% in Papua and 0% in Central Java. And 89–90% of villages in Bengkulu and South Sumatera are rural, compared to 97% and 67% in Papua and Central Java (Additional file 1: Table 3A)