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Prevalence, Cumulative Incidence, and Incidence Rate

Prevalence and incidence measures are often used in epidemiology and biostatistics. The measures are used to provide information regarding the total number of cases of a disease and the likelihood of a disease affecting a particular population. ???Prevalence refers to the proportion of participants with a disease at a particular point in time??? (Sullivan, 2012).

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In contrast, ???incidence reflects the likelihood of developing a disease among a group of participants free of the disease who are considered at risk of developing the disease over a specified observation period??? (Sullivan, 2012). Combined, this information provides public health officials, such as epidemiologists, with cohesive information of the risk and impact of a disease.

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Based on the module readings, respond to the following:

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  • Explain the difference between prevalence and incidence measures.
  • Illustrate the difference between the prevalence, cumulative incidence, and incidence rate using an example or scholarly references.
  • What are some problems with estimating the cumulative incidence rate?

Write your initial response in 3 paragraphs. Apply APA standards to citation of sources.

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Sullivan, L. M. (2012).??Essentials of biostatistics in public health. Sudbury, MA: Jones & Bartlett Publishers. ISBN-13: 9781449623944

Assignment 1 Grading Criteria
Maximum Points

Initial response was:

  • Insightful, original, accurate, and timely.
  • Substantive and demonstrated advanced understanding of concepts.
  • Compiled/synthesized theories and concepts drawn from a variety of sources to support statements and conclusions.
16

Discussion Response and Participation:

  • Responded to a minimum of two peers in a timely manner.
  • Offered points of view supported by research.
  • Asked challenging questions that promoted discussion.
  • Drew relationships between one or more points in the discussion.
16
  • Wrote in a clear, concise, formal, and organized manner.
  • Responses were error free.
  • Information from sources, where applicable, was paraphrased appropriately and accurately cited.
8
Total:
40

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University of Nairobi