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effect modification

   Also found in: Wikipedia 0.01 sec.
effect modification
Epidemiology An interaction among multiple possible cause-and-effect relationships, where the estimate of the effect of one factor on a disease process depends on other factors in the study
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Data from the biennial questionnaires were used to assess potential confounding and effect modification by covariates, including hypertension (yes, no); physician-diagnosed diabetes (yes, no); hypercholesterolemia (yes, no); physical activity (< 3, 3 to < 9, 9 to < 18, 18 to < 27, or [greater than or equal to] 27 metabolic equivalent (MET) hr per week); body mass index (BMI) (continuous); smoking status (never, former, or current); and smoking pack-years.
Chronic fine and coarse particulate exposure, mortality, and coronary ... by Puett, Robin C.; Hart, Jaime E.; Yanosky, Jeff D.; Paciorek, Christopher; Schwartz, Joel; Suh, Helen / Environmental Health Perspectives
It is also easier to effect modifications in PPC advertisements, based on the conditions in the market.
Pay per Click as A Marketing Tool by Brad Lessard / Advertising, marketing, public relations community
Because the validity and reliability of the reports are questionable, however, the food-poisoning episodes were analyzed separately to prevent any potential confounding or effect modification of the general results.
Association of Food Premises Inspection and Disclosure Program with ... by Serapiglia, Tino; Kennedy, Erin; Thompson, Sylvanus; de Burger, Ron / Journal of Environmental Health
 
 
 
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