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Questions and Answers
What type of study observes existing associations without manipulating variables?
What type of study observes existing associations without manipulating variables?
Which study manipulates variables to establish cause-and-effect relationships?
Which study manipulates variables to establish cause-and-effect relationships?
What type of study follows a group of individuals over time to compare the incidence of disease between those exposed and unexposed to a suspected risk factor?
What type of study follows a group of individuals over time to compare the incidence of disease between those exposed and unexposed to a suspected risk factor?
Which type of study compares cases with a disease to individuals without the disease to identify potential risk factors associated with the disease?
Which type of study compares cases with a disease to individuals without the disease to identify potential risk factors associated with the disease?
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What is the primary role of epidemiological studies in protecting public health?
What is the primary role of epidemiological studies in protecting public health?
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Which factor might influence the observed association between exposure and disease in epidemiological studies?
Which factor might influence the observed association between exposure and disease in epidemiological studies?
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What is the main purpose of basic measurements in disease frequency?
What is the main purpose of basic measurements in disease frequency?
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Which measure of disease frequency calculates existing cases of a disease in a population?
Which measure of disease frequency calculates existing cases of a disease in a population?
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What does the essence of epidemiology entail?
What does the essence of epidemiology entail?
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Which health outcome is an example of what can be measured in epidemiological studies?
Which health outcome is an example of what can be measured in epidemiological studies?
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What is the relationship between prevalence and incidence rate when the population is in a steady state?
What is the relationship between prevalence and incidence rate when the population is in a steady state?
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What does the equation P = ID represent?
What does the equation P = ID represent?
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Which measure of disease frequency can be calculated using the number of live births in a year?
Which measure of disease frequency can be calculated using the number of live births in a year?
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In epidemiology, what is a steady-state population?
In epidemiology, what is a steady-state population?
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What does prevalence depend on?
What does prevalence depend on?
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Why might a disease with a low incidence have a high prevalence?
Why might a disease with a low incidence have a high prevalence?
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How does the duration of a disease affect its prevalence?
How does the duration of a disease affect its prevalence?
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What could lead to an increase in the prevalence of a disease?
What could lead to an increase in the prevalence of a disease?
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