Epidemiological Measures


Epidemiologists use several measures of disease frequency and association to evaluate the occurrence and spread of disease. One of your responsibilities as an MSN professional nurse is to analyze and interpret some basic measures from the population group under observation. This will help you identify patterns of a disease, evaluate the health of your client population, and identify ways to reduce or prevent disease occurrence.

For this activity, interpret measures of disease frequency and association for a disease and use this analysis to interpret the relationship between the exposure and outcome of the disease.


For your analysis, first find a clinical research article that uses at least two of the following measures of disease frequency:

  • Frequency
  • Proportion
  • Rate
  • Incidence
  • Prevalence
  • Crude mortality rate (death rate)
  • Risk

Interpret the measures of disease frequency and measures of association discussed in the article and provide a description of the exposure/outcome relationship. Provide specific evidence from at least two scholarly sources to support your claims.

Specifically, you must address the following rubric criteria:

  1. Summary of Article: Summarize the article in terms of the main exposure and main outcome being studied.
  2. Measure of Disease Frequency: Identify and interpret at least one measure of disease frequency. What does this measure tell you about disease occurrence?
  3. Measure of Disease Association: Identify and interpret one measure of disease association. What does this measure tell you about disease occurrence?
  4. Conclusion: Describe the relationship between the exposure and outcome defined in the study. Refer to your selected measure of disease frequency and measure of association in your response.

What to Submit

Your submission should be a 2- to 3-page Word document. You must also include an APA-style title page. Use 12-point Times New Roman font, double spacing, and one-inch margins. Sources should be cited according to APA style.





Tibbetts, K. K., Ottoson, R. A., & Tsukayama, D. T. (2020). Public Health Response to Tuberculosis Outbreak among Persons Experiencing Homelessness, Minneapolis, Minnesota, USA, 2017–2018 – Volume 26, Number 3—March 2020 – Emerging Infectious Diseases journal – CDC. Wwwnc.cdc.gov. https://doi.org/10.3201/eid2603.190643



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