Transcription of Epidemiologic study designs
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Epidemiologic study designs
8. Analytic study designs The architecture of the various strategies for testing hypotheses through Epidemiologic studies, a comparison of their relative strengths and weaknesses, and an in-depth investigation of major designs . Epidemiologic study designs In previous topics we investigated issues in defining disease and other health-related outcomes, in quantitating disease occurrence in populations, in relating disease rates to factors of interest, and in exploring and monitoring disease rates and relationships in populations. We have referred to cohort studies, cross-sectional, and case-control studies as the sources of the measures we examined, but the study designs themselves were secondary to our interest.
Imprecision in determining the time of onset of the disease; 3. Prolonged intervals between exposure to a causative agent and disease onset ... control studies (since these are generally the most efficient and logistically practical design) and, unless negative results occur and are accepted, move towards follow-up studies and possibly ...
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