Table 3

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

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. "Doubling" is a 100% increase in output from the first quartile output value.

2. Needle exchange programs/Rehabilitation-focused programs

Marseille et al. BMC Health Services Research 2007 7:108   doi:10.1186/1472-6963-7-108

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