what is meant by the categorizing of variable using a tertile distribution which method is used by epidemiological studies to categorize tertile variables? why is case population categorizeable when using the control population for categorizing a variable, how is the outcome determined? why do you categorize variables in a case population? why does epidemiological research categorize variables by tertile why do we categorize cases using data can you categorize variables in a case population based on the distribution what type of analysis is used to categorize a condition or an outcome when categorizing variables, why are they the normal ranges for a controlled population why use control for categorizing variables which is the best method for categorizing variables in a case population based on tertile or tertile distributions why do epidemiologists categorize cases why use control population in epidemiology why categorize variables in case which is better categorizing the cases or the controls? which categorizes variables in case populations why use tertile categorization what is the standard deviation for categorizing variables? why categorize variables in case population?