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.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Read MoreMénage à trois
A matter of pairs
Confounding in case-control studies. Confounding in case-control studies must be adjusted: matching is one of the techniques for doing this.
Birds of a feather flock together
Confounding in cohort studies. Confounding in cohort studies can be controlled by stratifying and calculating an adjusted risk measure.
Chocolate’s fallacy
Ecological fallacy. The ecological fallacy consists in assuming, within an ecological study, that the effect observed at the global level is maintained at the individual level.
Dividing to conquer
Stratification. Stratification is one of the techniques to study the effect of confounding and effect modifiers variables on risk measures.