Attributable Risk Calculator

Enter the incidence risk among both the exposed and non-exposed group into the calculator to determine the attributable risk.

Attributable Risk Formula

The following formula can be use to calculate the attributable risk.

AR = Ie – Iu

  • Where AR is the attributable risk
  • Ie is the incidence rate in the exposed group
  • Iu is the incidence rate in non-exposed group

Attributable Risk Definition

An attributable risk is the difference between the incidence rate in an exposed group to a non-exposed group.

Attributable Risk Example

How to calculate attributable risk?

  1. First, determine the incidence rate in the exposed group.

    Measure the incidence rate in the exposed group.

  2. Next, determine the incidence rate in the non-exposed group.

    Measure the incidence rate in the non-exposed group.

  3. Finally, calculate the attributable risk.

    Using the formula above, calculate the attributable risk.

FAQ

What is an attributable risk?

The definition of the attributable risk is as follows: a measure of the prevalence of a disease within a group.


attributable risk calculator
attributable risk formula