Comparing RR, PR, OR, and POR in Epidemiology

Play an AI-generated podcast conversation about this lesson

In which type of study is the OR preferred over the RR and PR for estimating the relative measure of association?

Cohort study

Case-control study (correct)

Longitudinal study

Cross-sectional study

When is the exposure E considered a potential protective factor for the disease D based on the relative measure of association?

$ \text{Relative measure} \geq 1 $

$ \text{Relative measure} = 1 $

$ \text{Relative measure} < 1 $ (correct)

$ \text{Relative measure} > 1 $

What does PR stand for in the context of estimating relative measures of association?

Proportional Risk

Potential Risk

Prevalence Ratio (correct)

Population Ratio

When is the exposure E and the disease D considered independent based on the relative measure of association?

$ \text{Relative measure} = 1 $ Signup and view all the answers

In which type of study would the risk ratio (RR) compare the probability of developing the disease during the follow-up between two groups of exposure?

Cohort study Signup and view all the answers

Why are POR and OR treated as numerically identical in cross-sectional and case-control studies?

They yield the same results in specific cases Signup and view all the answers

What is the population attributable risk (PAR)?

PAR is a measure of impact and represents the proportion of cases in the population which are attributable to the exposure Signup and view all the answers

What does the population attributable risk (PAR) measure assume?

All of the above Signup and view all the answers

What does the population attributable risk (PAR) measure assume if P(D|Ē) = 0?

PAR = 1 Signup and view all the answers

What is the exposure attributable risk (EAR)?

EAR measures the proportion of cases among the exposed population that are attributable to the exposure Signup and view all the answers

Which package in R can be used to calculate confidence intervals for odds ratio and risk ratio?

epiR Signup and view all the answers

What are the possible values for RR compared to OR?

RR > 1 . OR > RR RR < 1 . OR < RR RR = 1 . OR = 1 Signup and view all the answers

In which type of study is the prevalence ratio (PR) compared between two groups of exposure?

Cross-sectional study Signup and view all the answers

What does the logistic regression model interpret in terms of odds ratio?

Coefficients have a straightforward interpretation in terms of odds ratio. Signup and view all the answers

What does OR stand for in statistics?

(Odds Ratio) Signup and view all the answers

Which distribution is used for the exact calculation of confidence intervals for odds ratio in high sample size scenarios?

"hypergeometric distribution" Signup and view all the answers

"The lower P(D|E) and P(D|Ē), the closer RR and OR." Which type of diseases usually exhibit this characteristic?

"Rare diseases" Signup and view all the answers

What do PR, RR, and OR measure?

PR measures impact, while RR and OR measure association. Signup and view all the answers

What is the formula for calculating Attributable Numbers (ANp) in epidemiology?

ANp = AFp * np Signup and view all the answers

In epidemiology, what are attributable fractions usually reported as to describe the impact of the exposure?

% to the exposed population Signup and view all the answers

What is the formula for calculating the number of cases among the whole population that would not have occurred in the absence of exposure (ANp) in epidemiology?

ANp = AFp * np Signup and view all the answers

In the context of epidemiology, which measure is known as 'excess risk'?

Attributable Numbers (AN) Signup and view all the answers

What does EAR stand for in the context of estimating health impacts in epidemiology?

Exposure Attributable Risk Signup and view all the answers

What is known as `excess risk` in epidemiology?

P(D|E) P(D|Ē) Signup and view all the answers

What is used to describe the impact of exposure in epidemiology?

Attributable Fractions (AF) Signup and view all the answers

Comparing RR, PR, OR, and POR in Epidemiology

Choose a study mode

Podcast

Questions and Answers

In which type of study is the OR preferred over the RR and PR for estimating the relative measure of association?

When is the exposure E considered a potential protective factor for the disease D based on the relative measure of association?

What does PR stand for in the context of estimating relative measures of association?

When is the exposure E and the disease D considered independent based on the relative measure of association?

In which type of study would the risk ratio (RR) compare the probability of developing the disease during the follow-up between two groups of exposure?

Why are POR and OR treated as numerically identical in cross-sectional and case-control studies?

What is the population attributable risk (PAR)?

What does the population attributable risk (PAR) measure assume?

What does the population attributable risk (PAR) measure assume if P(D|Ē) = 0?

What is the exposure attributable risk (EAR)?

Which package in R can be used to calculate confidence intervals for odds ratio and risk ratio?

What are the possible values for RR compared to OR?

In which type of study is the prevalence ratio (PR) compared between two groups of exposure?

What does the logistic regression model interpret in terms of odds ratio?

What does OR stand for in statistics?

Which distribution is used for the exact calculation of confidence intervals for odds ratio in high sample size scenarios?

"The lower P(D|E) and P(D|Ē), the closer RR and OR." Which type of diseases usually exhibit this characteristic?

What do PR, RR, and OR measure?

What is the formula for calculating Attributable Numbers (ANp) in epidemiology?

In epidemiology, what are attributable fractions usually reported as to describe the impact of the exposure?

What is the formula for calculating the number of cases among the whole population that would not have occurred in the absence of exposure (ANp) in epidemiology?

In the context of epidemiology, which measure is known as 'excess risk'?

What does EAR stand for in the context of estimating health impacts in epidemiology?

What is known as `excess risk` in epidemiology?

What is used to describe the impact of exposure in epidemiology?

More Like This

Epidemiology and Relative Risk in Cohort Studies

Razon de Riesgo (RR) en Epidemiología

Risk Analysis: Odds Ratio and Relative Risk

Relative Risk and Odds Ratio Quiz

Upgrade to continue

Comparing RR, PR, OR, and POR in Epidemiology

Choose a study mode

Podcast

Questions and Answers

In which type of study is the OR preferred over the RR and PR for estimating the relative measure of association?

When is the exposure E considered a potential protective factor for the disease D based on the relative measure of association?

What does PR stand for in the context of estimating relative measures of association?

When is the exposure E and the disease D considered independent based on the relative measure of association?

In which type of study would the risk ratio (RR) compare the probability of developing the disease during the follow-up between two groups of exposure?

Why are POR and OR treated as numerically identical in cross-sectional and case-control studies?

What is the population attributable risk (PAR)?

What does the population attributable risk (PAR) measure assume?

What does the population attributable risk (PAR) measure assume if P(D|Ē) = 0?

What is the exposure attributable risk (EAR)?

Which package in R can be used to calculate confidence intervals for odds ratio and risk ratio?

What are the possible values for RR compared to OR?

In which type of study is the prevalence ratio (PR) compared between two groups of exposure?

What does the logistic regression model interpret in terms of odds ratio?

What does OR stand for in statistics?

Which distribution is used for the exact calculation of confidence intervals for odds ratio in high sample size scenarios?

"The lower P(D|E) and P(D|Ē), the closer RR and OR." Which type of diseases usually exhibit this characteristic?

What do PR, RR, and OR measure?

What is the formula for calculating Attributable Numbers (ANp) in epidemiology?

In epidemiology, what are attributable fractions usually reported as to describe the impact of the exposure?

What is the formula for calculating the number of cases among the whole population that would not have occurred in the absence of exposure (ANp) in epidemiology?

In the context of epidemiology, which measure is known as 'excess risk'?

What does EAR stand for in the context of estimating health impacts in epidemiology?

What is known as excess risk in epidemiology?

What is used to describe the impact of exposure in epidemiology?

More Like This

Epidemiology and Relative Risk in Cohort Studies

Razon de Riesgo (RR) en Epidemiología

Risk Analysis: Odds Ratio and Relative Risk

Relative Risk and Odds Ratio Quiz

What is known as `excess risk` in epidemiology?