ABCDEFGHIJKLMNOPQRSTUVWXYZ
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Distance (average effect and coefficient on distance)
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Minimum detectable effect (MDE), Average effectMDE, Distance coefficient (per km)
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Outcomes97 bridges50 bridges% change97 bridges50 bridges% change
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Total consumed1649.051869.26-12%116.66132.21-12%
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Total income1967.672177.27-10%139.17153.98-10%
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Visit clinic0.01850.021-12%0.00130.0015-13%
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mid-upper arm circumference (MUAC)0.080.1-20%0.00570.0071-20%
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Drop off over years (MDE, Years 1 and 2 vs. Years 3 and 4)
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Outcomes97 bridges50 bridges% changePooled effect (97 bridges)% pooled effect (97 bridges)
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Total consumed2923.753770.95-22%1,649177%
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Total income3170.194363.55-27%1,968161%
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Visit clinic0.03280.0423-22%0.0185177%
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MUAC0.150.19-21%0.08188%
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Source:
Wyatt Brooks, Arizona State University, response to questions from GiveWell, May 10, 2022
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Effects over time (MDE, Year 1 vs. Year 3)
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Outcomes97 bridges50 bridges% changePooled effect (97 bridges)% pooled effect (97 bridges)
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Total consumed6,52414,551-55%1,649396%
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Total income5,67012,646-55%1,968288%
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Visit clinic0.07320.1632-55%0.0185396%
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MUAC0.40490.9033-55%0.08506%
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Source:
Bridges to Prosperity, Response for GiveWell, May 5, 2022
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