Behavioral Epi Assignment 3- Word OUT REFERENCES MAILINGS REVIEWVIEW a.·A-- ·-·

Question

Behavioral Epi Assignment 3- Word OUT REFERENCES MAILINGS REVIEWVIEW a.·A-- ·-· 2.B- Body Text Heading 1 THeading TList Para TNo Spac TM Paragraph Styles Calculations (22 potnts) 15) The baseline point prevalence of hypertension in African-American women aged 45-64 years included in the Atherosclerosis Risk m Communities (ARIC) surveillance study was found to be 53%. In this study, over a follow-up period of 7 years, the average yearly incidence of hypertension in African-American women was estimated to be about 5%, which was stable over the years. Using these data, estimate the average duration of hypertension in African American women in the ARIC study Hint: use the relationship between prevalence and incidence).

Explanation / Answer

ans) Incidence rate- It is the proportion or rate of a newly diagnosed disease which is generally reported of new cases occurring in a year.

Prevalence rate-It is the rate or proportion of the actual number cases alive with disease during the period or a particular time.

Average Duration = (Prevalence) / (Incidence)

Prevalence rate for hypertension=0.53(given)

Incidence rate=.05(given)

Avearge duration of hypertension in aferican-american woman=(0.53)/0.05=10.6

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