Kohorttityypit
Kohorttityypit refers to different methods of categorizing individuals into groups, known as cohorts, for research or analytical purposes. These categorizations are based on shared characteristics or experiences within a specific timeframe.
One common type is the birth cohort, which includes individuals born during a particular period, such as
Another type is the period cohort, which groups individuals who experienced a specific event or phenomenon
A further distinction can be made between prospective and retrospective cohorts. Prospective cohorts are formed at
Finally, analysis cohorts are created for statistical modeling and often involve complex selection criteria to ensure