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Biostatistics: Incidence vs. Prevalence

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The statement “One out of every 50 adults in the United States has depression“ is an example of: B) Prevalence Prevalence refers to the proportion of a population who have a specific characteristic in a given time period. In this case, it's the proportion of adults in the United States who have depression at a certain point in time or over a specific time period. It includes both new and existing cases. In contrast, incidence refers to the number of new cases of a disease or condition that develop in a population during a specified time period. It does not include existing cases. Questions: Values measured in groups or categories, examples: Gender, Favorite color, Type of car. A) Nominal B) Categorical C) Sample D) Qualitative “One out of every 50 adults in the United States has depression.” This statement is an example of: A) Incidence B) Prevalence

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