. Based on the prevalence data alone, would you conclude that
air pollution is or is not associated with chronic bronchitis? Why?
(3 pts)
F. Based on the incidence data alone, would you conclude that
air pollution is or is not associated with chronic bronchitis? Why?
(3 pts)
G. What are some possible explanations for the differing
conclusions? (5 pts)
Based On The Prevalence Data Alone Would You Conclude That Air Pollution Is Or Is Not Associated With Chronic Bronchi 1 (102.38 KiB) Viewed 41 times
BOARD BEFORE TUESDAY NIGHT A. Given this information, complete the following table (express prevalence as cases per 1000). (5 pts) Numerator Denominator Prevalence Exposed 23 Unexposed 300 1300 1500 6500 23 1300-) 300, Ehen 1000-> n, n = 3000 1000 = 23.07 1300 6500-2 iso, then 1000 000-789 G = 15,0x1000 23.07 G SOO B. Interpret the prevalence of chronic bronchitis in January, 2013 for both the exposed and unexposed populations. (4 pts) Exposed: prelavance for exposed is 23 per 1000 people. Unexposed: Prevalence for unexposed is 23 per 1000 people. Both exposed and unexposed had same prevalence for acute bronchitis in 2013.
Prevalence for unexposed is 23 per 1000 people. Both exposed and unexposed had same prevalence for acute bronchitis in 2013. C. Given the information provided, now complete the following table to obtain the cumulative incidence of chronic bronchitis (per 1000) for the five-year follow-up interval. (5 pts) Numerator Denominator Incidence Exposed 4170 12700 37 Unexposed 63 so loo 16 12700-3470, 1000-7? =) 470x1000 12700 63500-) 100, 1000-)! =) 100x1000 s 37 16 6350 D. Interpret the incidence of chronic bronchitis over the study period for both the exposed and unexposed populations. (4 pts) Exposed:
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