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Updated: Jun 15, 2025

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Self-reported anticipated harm from drinking water across 141 countries.

Joshua D Miller1, Chad Staddon2, Aaron Salzberg3

  • 1Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.

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This summary is machine-generated.

More than half of adults worldwide anticipate harm from drinking water. This perception is linked to factors like gender, location, financial status, education, and trust in water services.

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Area of Science:

  • Public Health
  • Environmental Health
  • Social Science

Background:

  • Perceptions of drinking water safety influence health behaviors but are under-measured.
  • Understanding these perceptions is crucial for effective water resource management.

Purpose of the Study:

  • To characterize self-reported anticipated harm from drinking water globally.
  • To identify individual and national predictors of these perceptions.

Main Methods:

  • Analysis of nationally representative survey data from the World Risk Poll (n=148,585 individuals) across 141 countries.
  • Multivariable modeling at individual and country levels.

Main Results:

  • Over half (52.3%) of adults anticipate serious harm from drinking water.
  • Anticipated harm is more prevalent among women, urban residents, those with financial difficulties, and more educated individuals.
  • National factors associated with anticipated harm include reported recent harm, deaths from unsafe water, and perceived corruption.

Conclusions:

  • User perceptions of water safety are a significant public health concern.
  • Addressing trust in water safety and governance is vital for sustainable water resource management.