10 Questions
What is the primary objective of a cohort study in the context of pregnancy?
To determine the risk ratio of low birth weight in smokers versus non-smokers
What is the key characteristic of a cohort study design?
Starting with a population of interest and recruiting participants based on exposure
How is the risk ratio calculated in a cohort study?
By dividing the incidence rate of disease in exposed individuals by the incidence rate of disease in unexposed individuals
What is the outcome of interest in the cohort study described in the text?
The incidence of low birth weight in smokers and non-smokers
What is the primary advantage of a cohort study design?
It allows for the identification of causality between exposure and outcome
What is the term for the group of pregnant women who are smokers in a cohort study?
Exposed group
What is the purpose of dividing the cohort into exposed and unexposed groups?
To determine the risk ratio of low birth weight in smokers versus non-smokers
What is the key difference between a cohort study and a case-control study?
A cohort study starts with a population and follows them to see if disease develops, while a case-control study starts with cases and controls and looks for exposure
What is the term for the measure of association calculated in a cohort study?
Risk ratio
What is the purpose of following the cohort through pregnancy to birth?
To determine the risk ratio of low birth weight in smokers versus non-smokers
Learn about the key aspects of analyzing a case control study in epidemiology, including the limitations of studying a sample population without knowing the total population size. Understand how to use A, B, C, and D boxes to analyze the data.
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