Helen Keller's coverage surveys, methods and results [2022] [public]

	A	B
1	Summary of all results through 2021 and some results from 2022
2	Percentage of all surveys finding coverage rates above 80% target	62%
3	Percentage of all surveys from door-to-door distributions finding coverage rates above 80% target	70%
4	Percentage of all surveys from fixed + outreach distributions finding coverage rates above 80% target	31%
5	Percentage of HKI's 2021 coverage surveys of GiveWell-supported campaigns finding coverage rates above 80% target	75%
6	Percentage of HKI's 2018-2022 programs with surveys finding coverage rates at or above 80% target	66%
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8	Simple average of coverage rates from all surveys	80%
9	Simple average of coverage rates from surveys of door-to-door distributions	83%
10	Simple average of coverage rates from fixed + outreach distributions	64%
11	Simple average of coverage rates from distributions with mixed method (door-to-door, fixed+outreach, etc)	85%
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13	Median coverage rate from all surveys	85%
14	Median coverage rate from HKI's coverage surveys of GiveWell-supported campaigns	85%
15	Median coverage rate from HKI's 2021 coverage surveys of GiveWell-supported campaigns	85%
16	Minimum coverage rate from HKI's 2021 coverage surveys of GiveWell-supported campaigns	65%
17	Maximum coverage rate from HKI's 2021 coverage surveys of GiveWell-supported campaigns	90%
18	Mean program-level coverage rate from HKI's 2018-2022 coverage surveys of GiveWell-supported campaigns	81%
19	Median program-level coverage rate from HKI's 2018-2022 coverage surveys of GiveWell-supported campaigns	85%
20	Minimum program-level coverage rate from HKI's 2018-2022 coverage surveys of GiveWell-supported campaigns	61%
21	Maximum program-level coverage rate from HKI's 2018-2022 coverage surveys of GiveWell-supported campaigns	94%
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23	Median adjustment factor, based on all coverage survey results	0.83
24	Median adjustment factor, based on 2021 coverage survey results	0.87
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26	Percentage of total supplements monitored through coverage surveys, 2013-2021	66%
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