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Table 3 Strength of the relationship and coefficient of determination between unit cost and program scale

From: HIV prevention costs and program scale: data from the PANCEA project in five low and middle-income countries

  VCT SW PMTCT
  Unit cost decrease associated with doubling of scale 1 p-value of regression Coefficient of determination (R2) Unit cost decrease associated with doubling of scale 1 p-value of regression Coefficient of determination (R2) Unit cost decrease associated with doubling of scale 1 p-value of regression Coefficient of determination (R2)
India 32.5% < 0.001 0.83 41.8% < 0.001 0.88 23.0% 0.038 0.42
Mexico 15.3% 0.066 0.20       
Russia 27.2% 0.021 0.28 41.0% < 0.001 0.84    
South Africa 2.4% 0.033 0.33 31.2% 0.015 0.38    
Uganda 27.5% 0.045 0.29       
  STI IEC RR
India 52.4% 0.050 0.42       
Mexico 32.3% 0.038 0.70 46.3% < 0.001 0.91    
Russia 58.0% 0.385 0.26     34.5%/47.9% 2 0.004/0.022 0.45/0.962
South Africa          
Uganda          
  1. 1. "Doubling" is a 100% increase in output from the first quartile output value.
  2. 2. Needle exchange programs/Rehabilitation-focused programs