Abstract
In epidemiologic studies, we use a measure of disease frequency to determine how often the disease or other health outcome of interest occurs in various subgroups of interest. We describe two basic types of measures of disease frequency in this chapter, namely, measures of incidence and measures of prevalence. The choice typically depends on the study design being used and the goal of the study.
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References
General References
Greenberg RS, Daniels SR, Flanders WD, Eley JW, Boring JR. Medical Epidemiology (3rd Ed). Lange Medical Books, New York, 2001.
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References on Rates
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References on Age-Adjustment
Dawson-Saunders B, Trapp RG. Basic and Clinical Biostatistics, 2nd ed., Appleton and Lange, Stamford, CN, 1994.
Woodward M. Epidemiology: Study Design and Analysis, Chapter 4, pp. 157–167, Chapman and Hall, Boca Raton, FL, 1999.
Reference for Prevalence and Incidence of HIV
Horsburgh CR, Jarvis JQ, McArthur T, Ignacio T, Stock P. Serconversion to human immunodeficiency virus in prison inmates. Am J Public Hlth 1990;80(2):209–210.
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(2007). How Often does it Happen? Disease Frequency. In: A Pocket Guide to Epidemiology. Springer, New York, NY. https://doi.org/10.1007/978-0-387-45966-0_4
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DOI: https://doi.org/10.1007/978-0-387-45966-0_4
Publisher Name: Springer, New York, NY
Print ISBN: 978-0-387-45964-6
Online ISBN: 978-0-387-45966-0
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