FOUNDATIONAL TERM
Absolute risk difference
绝对风险差
The difference between two comparable risks, expressed in percentage points when subtracting percentages.
Study this concept in context
08 · Understanding health research: probability, risk and uncertainty
“Risk cut in half” sounds persuasive. But what was the starting risk, over what period, and in whom? This lesson explains how to reconstruct the information needed to interpret a health statistic.
42 · Nutrition research, labels and health claims
Nutrition advertising often turns a true statement about an ingredient into an untested promise about health. This lesson translates such promises into testable questions and distinguishes the roles of research, labeling, and regulation.
Sources
Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.