attributable fraction

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Related to attributable fraction: Population Attributable Risk, Attributable risk

attributable fraction

The percentage of instances of an illness that can be accounted for by a particular risk factor. For example, people exposed to asbestos have a certain risk of developing lung cancer, and if they also smoke tobacco, they are also at risk from that factor. These risks may be estimated from cohort studies.
Synonym: additional risk; attributable risk
See also: fraction


size expressed as a relative part of a unit.

attributable fraction
the proportion of disease in the exposed group which is caused by the factor.
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References in periodicals archive ?
Estimated influenza virus attributable fraction (AF) and AF trends across age groups among inpatients with severe acute respiratory illness, Klerksdorp and Pietermaritzburg, South Africa, May 2012-April 2016.
Population attributable fraction in absolute numbers and proportion of avoidable colorectal cancers by eliminating red and processed meat consumption.
Substantial variability in estimated attributable fraction and preterm births was identified at the state level in base case analyses.
Second, the Spanish study used an earlier version of a US standard software to determine attributable fractions, which does not include the latest knowledge with respect to alcohol-attributable mortality (Rehm et al.
This input would be useful for either calculating the attributable fraction of prevalent asthma for the specific population, or to be included in a meta-analysis of relevant studies.
50) Attributable Fraction Approach * Total Diabetes- Attributable Per-Person Spending Spending Age Group (95% CI) (95% CI) Under 45 $4.
A number of countries, including Canada, have used attributable fractions (AFs) to estimate the number of deaths caused by smoking, more often referred to as smoking-attributable mortality (SAM).
b) Population attributable fraction of asthma attributable to atopy for each category and in the total population comparing those with negative IgE (< 0.
To estimate the attributable fraction for low birthweight, one-third of the prevalence of opioid users in Canada for 2003 (estimated as 83,800; cited from "An overview of illegal opioid use and health services utilization in Canada" (105)) was multiplied with the RR, since women account for only about 33% of the overall prevalence of opioid users.