minimum amount of data

What Types of Data Are Essential?

To conduct a meaningful epidemiological study, several types of data are considered essential:
Demographic data: Information such as age, sex, and ethnicity.
Exposure data: Details about the exposure to potential risk factors, including dosage and duration.
Outcome data: Information on the health outcomes of interest, such as incidence and prevalence of disease.
Confounding variables: Data on other factors that might influence the relationship between exposure and outcome.

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