Fig. 3

One-way sensitivity analysis of average annual economic cost per capita (USD, 2014) at reference implementation. Tornado plots show top 10 model inputs with the highest impact on intervention unit cost when varied over its’ minimum and maximum while keeping all other inputs at reference values (Additional file 1: Table S11). Bar lengths indicate the value of unit cost at highest—darker shade, and lowest—lighter shade, value of the respective parameter. Bar colour highlights input category. Red dashed lines give the reference estimate. Inputs describing scale of implementation (number of people reached) dominate the unit cost defined in terms of cost per capita; tabulations are thus shown only for parameters related to intervention (green), setting (blue), price (brown), and methods (red). Equivalent tabulations for cost per output are presented in Additional file 1: Table S2. Impact of scale parameters on estimated unit costs is explored in Fig. 4, and Additional file 1: Fig. S3. Reference implementation detailed in Table 1, further details in Additional file 1: Table S3 and Additional file 2. RR rapid reporting, RACD reactive case detection, MDA Mass Drug Administration, IRS indoor residual spraying