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The water security index is based on the premise that households manage their water resources and services in such a way as to satisfy sanitary and water requirements (ADB, 2016).
How to operationalize the metric
Method of data collection and data needed to compute the method:
The three key sub-indices used to compute the overall water security index at the household level are: 1) percent of households with access to piped water supply, 2) percent of households with access to improved sanitation, and 3) hygiene (age-standardized disability-adjusted life years per 100,000 people for the incidence of diarrhea) (ADB, 2016).
Unit of analysis:
Limitations regarding estimating and interpreting: