TABLE 3-3Example of a Table for Rating Importance of Health Effects

Magnitude of impactLikelihood of Occurrence of a Health Impact
Health impact ratingDescriptionUnlikely to occurLikely to occur sometimesLikely to occur often
0NoneNo significanceNo significanceNo significance
1LowVery low significanceLow significanceMedium significance
2MediumLow significanceMedium significanceHigh significance
3HighMedium significanceHigh significanceHigh significance

Source: ICMM 2010. Reprinted with permission; copyright 2010, International Council on Mining and Metals.

From: 3, Elements of a Health Impact Assessment

Cover of Improving Health in the United States
Improving Health in the United States: The Role of Health Impact Assessment.
National Research Council (US) Committee on Health Impact Assessment.
Washington (DC): National Academies Press (US); 2011.
Copyright © 2011, National Academy of Sciences.

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