table. What is the incidence rate of disease X among persons exposed to factor A? Exposure to Factor A Not exposed Exposed People with Disease X 30 120 People without Disease X 3,720 2,880

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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14:59 bip O
O₂
750 people who were free of
disease X were enrolled in a
cohort study in 1985 and
followed with annual exams
and interviews through 1995.
Exposure to factor A was
determined at study
enrollment and the
participants were followed
until 1995 to observe new
cases of disease X. Data from
the study at the end of follow-
up are shown in the following
table. What is the incidence
rate of disease X among
persons exposed to factor A?
Exposure to
Factor A
Not exposed
Exposed
People with
Disease X
Select one:
O a. 0.04
O b. 0.19
0.25
O d. 0.02
C.
*
..ال...
30
120
People without
Disease X
3,720
2,880
Transcribed Image Text:14:59 bip O O₂ 750 people who were free of disease X were enrolled in a cohort study in 1985 and followed with annual exams and interviews through 1995. Exposure to factor A was determined at study enrollment and the participants were followed until 1995 to observe new cases of disease X. Data from the study at the end of follow- up are shown in the following table. What is the incidence rate of disease X among persons exposed to factor A? Exposure to Factor A Not exposed Exposed People with Disease X Select one: O a. 0.04 O b. 0.19 0.25 O d. 0.02 C. * ..ال... 30 120 People without Disease X 3,720 2,880
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