Please enable JavaScript.
Coggle requires JavaScript to display documents.
ECOLOGICAL STUDIES - Coggle Diagram
ECOLOGICAL STUDIES
CONFOUNDING
Example: Coffe, Smoking & Lung disease
-
-
-
Variable must be: An independent determinant and be associated with the exposure under investigation
-
-
FEATURES
Disease measure:Prevalenece , Incidence
-
Population @ country or region , not individuals
-
-
-
-