which type of data is used to determine the likelihood of an association between exposure and disease which data type is used to study the association between exposure and mortality what is the incidence density ratio used for a study of obesity? epidemiologic evidence for association between disease and obesity in women what is incidence density ratio epidemiological research how to test epidemiology what is the incidence density ratio id/id_0 of an obesity study? which of the following is a hypothesis test for obesity what is the incidence density ratio in an obesity study which is a statistical hypothesis for obesity? which of the following data is not considered an epidemiological study? which condition is represented by id what is the incidence density ratio of a population of people with obesity what is the incidence density ratio what is the epidemiology density ratio of obesity which type of data is used in an epidemiological study? which of the following is an example of a hypothesis test incidence density ratio example how to test the association between exposure and disease what is the incidence density ratio