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Table 2 Individual prior estimates contributing to three scenarios of the SQUEAC conjugate Bayesian analysis

From: Estimating program coverage in the treatment of severe acute malnutrition: a comparative analysis of the validity and operational feasibility of two methods

Method

Source

Barriers score

Boosters score

Calculation

Prior estimate

Scenario 1

Scenario 2

Scenario 3

Simple scoring

–

45

33

\( \frac{33+\left(100-45\right)}{2} \)

56%

✓

✓

 

Weighted scoring

Caregivers

43

20

\( \frac{20+\left(100-43\right)}{2} \)

62%

✓

  

Weighted scoring

Program staff

37.5

21

\( \frac{21+\left(100-37.5\right)}{2} \)

58%

✓

  

Weighted scoring

External support team

23

27

\( \frac{27+\left(100-23\right)}{2} \)

48%

  

✓

Histogram of belief

Program staff

–

–

–

45%

✓

✓

 

Histogram of belief

External support team

–

–

–

35%

  

✓

Product of program performance

Stage 1 data

–

–

100 %  × 72.5 %  × 45.4 %  × 86 %  × 88 %  × 99%

24%

✓

✓

 

Previous assessment

SQUEAC report 2013

–

–

–

84%

✓

✓