Ménage à trois
Modifier of effect. Modifier of effect takes place when the magnitude of a variable interferes with the effect of the exposure on the result.
Evidence Based Medicine pills
Evidence Based Medicine pills
Modifier of effect. Modifier of effect takes place when the magnitude of a variable interferes with the effect of the exposure on the result.
Confounding in case-control studies. Confounding in case-control studies must be adjusted: matching is one of the techniques for doing this.
Confounding in cohort studies. Confounding in cohort studies can be controlled by stratifying and calculating an adjusted risk measure.
Stratification. Stratification is one of the techniques to study the effect of confounding and effect modifiers variables on risk measures.
Confounding variable. A confounding variable is associated with the exposure and the effect without being part of the cause-effect chain between the two.