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sphweb.bumc.bu.edu Online Courses - March 2024

Cohort Type Studies

Cohort Type Studies. A cohort is a "group." In epidemiology a cohort is a group of individuals who are followed over a period of time, primarily to assess what happens to them, i.e., their health outcomes. In cohort type studies one identifies individuals who do not have the outcome of interest initially, and groups them in subsets that differ

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MPH Online Learning Modules Boston University

The MPH online learning modules help students learn about public health concepts and build skills at your own pace. They are designed to complement MPH courses and address concepts and skills that cut across a range of disciplines. We are committed to the principles of universal design to provide accessibility and clarity for all learners.

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Prospective Versus Retrospective Cohort Studies

In prospective cohort studies the investigators conceive and design the study, recruit subjects, and collect baseline exposure data on all subjects, before any of the subjects have developed any of the outcomes of interest. The subjects are then followed into the future in order to record the development of any of the outcomes of interest.

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CaseControl Studies

"Case-control studies are best understood by considering as the starting point a source population, which represents a hypothetical study population in which a cohort study might have been conducted.The source population is the population that gives rise to the cases included in the study. If a cohort study were undertaken, we would define the exposed and unexposed ...

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Example Of A CaseControl Study Boston University

In case-control studies, one of the most difficult decisions is how to select the the controls. Ideally they should be non-diseased people who come from the same source population as the cases, and, aside from their outcome status, they should be comparable to the cases in order to avoid selection bias.

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Prospective And Retrospective Cohort Studies

Key Concept: The distinguishing feature of a prospective cohort study is that at the time that the investigators begin enrolling subjects and collecting baseline exposure information, none of the subjects has developed any of the outcomes of interest. Examples of Prospective Cohort Studies The Framingham Heart Study Home Page

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The Health Belief Model Boston University

The Health Belief Model. The Health Belief Model (HBM) was developed in the early 1950s by social scientists at the U.S. Public Health Service in order to understand the failure of people to adopt disease prevention strategies or screening tests for the early detection of disease. Later uses of HBM were for patients' responses to symptoms and

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