Experience with Lipid-based Nutrient ... - The iLiNS Project
Experience with Lipid-based Nutrient ... - The iLiNS Project
Experience with Lipid-based Nutrient ... - The iLiNS Project
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Assessment of effect of LNS supplementation<br />
• Effect size*= Mean for intervention – Mean for Control<br />
Pooled SD<br />
– Used largest of effect sizes when >1 for linear growth<br />
– Calculated mean (range) <strong>with</strong>in groups of studies (Stunted<br />
children vs. Non stunted children).<br />
• % Point diff. = % for Intervention - % for Control<br />
* Effect size (ES):<br />
� Can be categorized as small (~0.2), medium (~0.5) or large (> ~0.8).<br />
� <strong>The</strong> larger the ES, the larger the difference between Intervention vs Control.<br />
� Positive value indicates intervention group has greater value of the indicator.<br />
� Negative value indicates Control group has greater value of the indicator.<br />
S Adu-Afarwuah, PhD<br />
October 2010<br />
4
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