SAGE Research Methods - Encyclopedia of Epidemiology

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Effect Modification and Interaction

By: Sander Greenland
In: Encyclopedia of Epidemiology
Edited by: Sarah Boslaugh

The term effect modification has been applied to two distinct phenomena. For the first phenomenon, effect modification simply means that some chosen measure of effect varies across levels of background variables. This phenomenon is thus more precisely termed effect-measure modification, and ...

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  Greenland, S. (2008). Effect modification and interaction. In S. Boslaugh (Ed.), Encyclopedia of epidemiology (pp. 304-305). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412953948.n129
  
  Greenland, Sander. "Effect Modification and Interaction." In Encyclopedia of Epidemiology, edited by Boslaugh, Sarah, 304-5. Thousand Oaks, CA: SAGE Publications, Inc., 2008. https://dx.doi.org/10.4135/9781412953948.n129.
  
  Greenland, S. 2008. Effect Modification and Interaction. In: Sarah Boslaugh Editor, 2008. Encyclopedia of Epidemiology, Thousand Oaks, CA: SAGE Publications, Inc. pp. 304-305 Available at: <https://dx.doi.org/10.4135/9781412953948.n129> [Accessed 3 Jul 2022].
  
  Greenland, Sander. "Effect Modification and Interaction." Encyclopedia of Epidemiology. Edited by Sarah Boslaugh. Thousand Oaks: SAGE Publications, Inc., 2008, pp. 304-5. SAGE Research Methods. 3 Jul 2022, doi: https://dx.doi.org/10.4135/9781412953948.n129.
  
  Greenland, Sander (2008). Effect modification and interaction In: Boslaugh, Sarah (Ed.),Effect modification and interaction Encyclopedia of epidemiology Thousand Oaks, CA: SAGE Publications, Inc.; 2008:304-305. doi:10.4135/9781412953948.n129
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