Incidence studies- choice Which type of epidemiological study do researchers use when they want to estimate the percent of people who first show symptoms of a disease?

Question

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Incidence studies are used to estimate the number or percentage of new cases of a disease that occur within a specific time period. This includes determining the onset and first appearance of symptoms. Prevalence studies, on the other hand, measure the total number or percentage of people who have a disease at a specific point in time, regardless of when symptoms first appeared. Multivariate studies involve examining multiple variables and their relationships with a health outcome, while descriptive studies simply describe the characteristics of a population or disease without making comparisons or predictions.

Incidence Studies- Choice Which Type of Epidemiological Study Do Researchers