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Table 1 Fit of seroprevalence data to seroprevalence model under different force of infection (FOI) functions

From: A review of data needed to parameterize a dynamic model of measles in developing countries

Africa

FOI

Function

Best-fit k1

Best-fit k2

Best-fit k3

Least sum-of-squares

F ratio

Constant

0.315

--*

3.59

0.042

--

Linear

0.377

0.055

3.56

0.036

0.33

Exponential

0.427

0.108

3.58

0.034

0.48

Unimodal

0.532

0.452

2.88

0.044

-- **

India

FOI

Function

Best-fit k 1

Best-fit k 2

Best-fit k 3

Least sum-of-squares

F ratio

Constant

0.275

--*

2.97

0.0185

--

Linear

0.410

0.103

3.16

0.0058

4.33

Exponential

0.468

0.199

3.26

0.0059

4.25

Unimodal

0.598

0.568

2.81

0.0077

2.76

  1. *No k2 parameter in function.
  2. ** An F ratio was not computed because least sum-of-squares was greater than the constant case.
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BMC Research Notes

ISSN: 1756-0500

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