![]() ![]() The study usually has 2 groups, the exposed and the non-exposed group.įor example, you may consider a group of cigarette smokers and those who don’t smoke to know who gets lung cancer and who doesn’t. In some cases, members of a cohort may be exposed to a specific risk factor or characteristic then measure the outcome over some time.Ī cohort study is an example of a panel study, which contains elements with the same characteristics. Medical researchers use this approach to investigate diseases, find their causes, symptoms, and cure. It could be people with the same occupation, from the same race, demography, or even people suffering from the same disease. What is a Cohort Study?Ī cohort study is a type of longitudinal study that recruits a group of individuals who share common characteristics over some time. They wrote to all the registered doctors in the UK asking about their smoking habits, followed it up for decades, and eventually discovered the health risks of smoking. For example, people who are exposed to a pollutant, dealing with drug addiction, have undergone a medical procedure, etc.Ī cohort study is mostly used in the medical field, and significant research with this approach was commenced by Richard Doll and Austin Bradford-Hill in 1951. Generally, a cohort is a group of people who share a common characteristic or experience within a particular period. It is an epidemiological design that is used to easily arrive at conclusions on situations where they are difficult to come by. Researchers in medicine, nursing, psychology, and some social science fields are found to group their subjects of study into cohorts before carrying out the required investigations on them.
0 Comments
Leave a Reply. |