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Table 9 Haemoglobin: standardised detectable differences and equivalent levels for different designs

From: Evaluation of alternative school feeding models on nutrition, education, agriculture and other social outcomes in Ghana: rationale, randomised design and baseline data

 

Children (in SDs)

Equivalent level

Mothers (in SDs)

Equivalent level

30 clusters

0.44

0.76

0.38

0.65

60 clusters

0.31

0.56

0.26

0.46

120 clusters

0.21

0.36

0.18

0.32

  1. SD standard deviation
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Trials

ISSN: 1745-6215