Vertaile menetelmiä
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| Ekologinen kohorttitutkimus× | Tapaus-verrokkitutkimus – havainnoiva epidemiologinen asetelma× | |
|---|---|---|
| Tieteenala | Epidemiologia | Epidemiologia |
| Menetelmäperhe | Process / pipeline | Process / pipeline |
| Syntyvuosi≠ | 1970s–1990s (methodological consolidation) | 1950s (formal methodology); precursors in the 1920s |
| Kehittäjä≠ | Extension of classical ecological study design; matching principles formalized in 20th-century epidemiology | Janet Lane-Claypon (early precursors, 1926); formalized by Brian MacMahon and Jerome Cornfield in the 1950s–1960s |
| Tyyppi≠ | Observational study design | Observational analytic study design |
| Alkuperäislähde≠ | Morgenstern, H. (1998). Ecologic studies in epidemiology: Concepts, principles, and methods. Annual Review of Public Health, 16, 61–81. link ↗ | Schlesselman, J.J. (1982). Case-Control Studies: Design, Conduct, Analysis. Oxford University Press. ISBN: 978-0195027860 |
| Rinnakkaisnimet | matched ecologic study, geographically matched ecological study, area-matched ecological design, matched aggregate study | case-referent study, case-control design, retrospective case-control, case-control analysis |
| Liittyvät | 6 | 6 |
| Tiivistelmä≠ | A matched ecological study is an observational epidemiological design in which aggregate units — such as geographic areas, communities, or time periods — are systematically paired or matched on key characteristics before comparing exposure and outcome rates. Matching at the group level controls for area-level confounders and improves comparability between exposed and unexposed units, producing more credible estimates of ecological associations than an unmatched counterpart. | A case-control study is a retrospective observational design in which individuals who have developed a disease or outcome of interest (cases) are compared with individuals who have not (controls) to determine whether prior exposure to a putative risk factor differs between the two groups. The primary measure of association is the odds ratio, which approximates the relative risk when the outcome is rare. Case-control studies are especially efficient for investigating rare diseases and generating etiological hypotheses. |
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