GiveWell, Analysis of self-report bias in vaccine coverage sources for New Incentives, 2024 (public)

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1	What is this? This tab estimates the relationship between vaccine coverage and treatment effect size using data from the New Incentives RCT
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3	Sources:	Endline coverage estimates for each vaccine dose come from IDinsight, Additional RCT data; Further data tables and information on the RCT methodology are available in IDInsight, Impact Evaluation of New Incentives, Final Report, 2020
4	Notes:	We use endline control group data to represent the RCT baseline
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6		Unadjusted endline coverage estimates in the control group
7			BCG	Measles1	PENTA1	PENTA2	PENTA3	PCV1	PCV2	PCV3
8		Jigawa	78%	66%	71%	56%	45%	66%	51%	39%
9		Katsina	60%	64%	53%	38%	28%	50%	35%	26%
10		Zamfara	43%	42%	29%	15%	8%	22%	11%	7%
11		Weighted Average, IDinsight report	63%	59%	54%	40%	30%	50%	36%	27%
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13		Reporting bias adjustment
14		Percent of children reported to be vaccinated against BCG			63%
15		Percent of children with BCG scars detected			41%
16		Percent of children who receive BCG vaccine who are expected to scar			90%
17		Percent of children we would expect to scar in RCT			57%
18		Implied adjustment due to reporting bias			-28%
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