The word "attributable risk" (əˈtrɪbjuˌtəbəl rɪsk) refers to the proportion of disease incidence that can be attributed to a particular risk factor or exposure. The word is spelled with the emphasis on the second syllable of each word, and is pronounced with a schwa sound in the first syllable of "attributable" and the final syllable of "risk." The IPA phonetic transcription accurately represents the sounds of each syllable, and can be helpful in properly pronouncing and spelling the word for scientific or medical purposes.
Attributable risk is a concept used in epidemiology to measure the extent to which a particular outcome or disease can be attributed to a specific exposure or risk factor. It quantifies the excess risk of a disease or outcome that can be attributed to a specific exposure, above and beyond the baseline risk in the general population. In simpler terms, it provides an estimate of the proportion of cases that can be directly linked to a specific risk factor.
To calculate the attributable risk, researchers compare the incidence rate of a disease or outcome in an exposed group to the incidence rate in an unexposed group. The difference in incidence rates between the two groups represents the excess cases that can be attributed to the exposure. The attributable risk is expressed as a proportion or percentage, indicating the proportion of cases that can be considered to be caused by the exposure.
This measure is important in public health as it helps identify the degree to which an exposure contributes to the occurrence of a disease or outcome. It provides valuable information for policymakers, researchers, and healthcare professionals to understand the impact of specific risk factors and develop effective prevention strategies. Attributable risk can also be used to evaluate the effectiveness of interventions or treatments aimed at reducing the impact of the exposure on the occurrence of the disease.