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CHDA Chapter 7 Questions with Solutions
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Exam of 4 pages for the course CHDA at CHDA (CHDA Chapter 7)
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CHDA Chapter 7A cross-sectional study - answerIs one type of descriptive study
A cross-sectional study describes - answerThe characteristics of the population under
study at a specific point in time
In an analytic study, - answerThe analyst is able to investigate the relationship between
variables
A case-control study is an analytic study design - answerIn which the controls are those
without the attribute
A weakness of a case-control study is - answerThe subject may not recall events
accurately when interviewed
One of the strengths of case-control study is - answerExisting data may be used
A case-control study may not - answerBe used to determine cause and effect
A case-control study maybe used to calculate - answerAn odds ratio
The odds ratio measures - answerThe increased odds of a subject contracting a
disease when the risk factor is present
Cohort studies or incident studies are - answerProspective analytic studies
In the cohort study, the subjects - answerAre studied over a period of time
Relative risk compares the likelihood - answerOf an event occurring with those exposed
to a factor to those not exposed to a factor
A relative risk greater than one - answerIndicates increased risk of an event if the
attribute was present
One of the drawbacks of a cohort study is - answerIt may take a significant amount of
time to collect the data
Another drawback of a cohort study - answerIs if the attribute to be studied is rare, it
may take a significant amount of time and effort to recruit sufficient subjects to
participate
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