Title: population at risk
Long Title: IUPAC Gold Book - population at risk
DOI: 10.1351/goldbook.15992
Status: current

Definition
Persons who can and may develop an adverse health effect and who are potentially exposed to a substance under study. People already having chronic disease are excluded from the population at risk in studies of the incidence of the adverse effect.

Related Terms
- exposed: https://goldbook.iupac.org//terms/view/15695
- health: https://goldbook.iupac.org//terms/view/15757

Source
- PAC, 2007, 79, 1153. 'Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)' on page 1287 (https://doi.org/10.1351/pac200779071153)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/15992/html
- json: https://goldbook.iupac.org/terms/view/15992/json
- xml: https://goldbook.iupac.org/terms/view/15992/xml

Citation: Citation: 'population at risk' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.15992
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-06-14T02:45:27+00:00