Podcast
Questions and Answers
What is the primary purpose of a cohort study?
What is the primary purpose of a cohort study?
- To identify the natural history of a disease
- To analyze associations between the rates of the outcomes and risk factors
- To describe the incidence rates of an outcome over time (correct)
- To compare the outcomes in different ecological settings
In a cohort study, what is the starting point for the study?
In a cohort study, what is the starting point for the study?
- Natural history of disease
- Incidence rate
- Risk factor (correct)
- Exposure to ecological factors
Which type of study design is considered the best observational one for establishing cause–effect relationships?
Which type of study design is considered the best observational one for establishing cause–effect relationships?
- Case report
- Survey
- Ecological study
- Cohort study (correct)
What distinguishes cohort studies from other types of studies?
What distinguishes cohort studies from other types of studies?
What is the key feature of cohort studies in terms of follow-up?
What is the key feature of cohort studies in terms of follow-up?
Which of the following examples best represents a cohort study?
Which of the following examples best represents a cohort study?
In a cohort study, what is a strength of using objective measures of exposure?
In a cohort study, what is a strength of using objective measures of exposure?
What is a limitation of cohort studies when considering rare diseases?
What is a limitation of cohort studies when considering rare diseases?
What does the relative risk of 1 indicate in relation to exposure and disease?
What does the relative risk of 1 indicate in relation to exposure and disease?
What does the term 'hazards' refer to in the context of measuring the association between risk factor and diseases?
What does the term 'hazards' refer to in the context of measuring the association between risk factor and diseases?
Why are objective measures of exposure preferred over subjective measures in cohort studies?
Why are objective measures of exposure preferred over subjective measures in cohort studies?
What is a potential issue when a cohort study goes over many years?
What is a potential issue when a cohort study goes over many years?
What does the relative risk measure in a cohort study?
What does the relative risk measure in a cohort study?
