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Adaptiv tværsnits-epidemiologisk undersøgelse×Ekologisk studie×
FagområdeEpidemiologiEpidemiologi
FamilieProcess / pipelineProcess / pipeline
Oprindelsesår1990s–2000s (formalization of adaptive elements in observational surveys)19th century (Snow 1854); formalised mid-20th century
OphavspersonConceptual synthesis of adaptive design methods (Wald, 1947; Bauer & Kohne, 1994) with classical cross-sectional epidemiology (MacMahon & Pugh, 1960s)Various; foundational work by John Snow (1854) and systematised in modern form by Brian MacMahon and colleagues
TypeObservational epidemiological study designObservational epidemiological study
Oprindelig kildeKelsey, J. L., Whittemore, A. S., Evans, A. S., & Thompson, W. D. (1996). Methods in Observational Epidemiology (2nd ed.). Oxford University Press. ISBN: 978-0195083439Morgenstern, H. (1995). Ecologic studies in epidemiology: concepts, principles, and methods. Annual Review of Public Health, 16(1), 61–81. DOI ↗
Aliasseradaptive cross-sectional survey, adaptive prevalence study, adaptive epidemiological survey design, adaptive population cross-sectionaggregate study, correlational study, ecological correlation study, population-level study
Relaterede25
ResuméAn adaptive cross-sectional epidemiological study combines the core logic of a cross-sectional survey — measuring exposures and outcomes simultaneously in a defined population at one point in time — with pre-specified adaptive rules that allow modifications to sampling strategy, sample size, or subgroup allocation based on accumulating interim data. The approach preserves the efficiency and speed of a standard cross-sectional design while improving precision for rare exposures or heterogeneous populations by redirecting sampling resources in real time.An ecological study is an observational epidemiological design in which the unit of analysis is a group or population — a country, region, city, or time period — rather than an individual. Exposures and outcomes are measured as aggregates (rates, proportions, or means) and then correlated across groups to generate or evaluate hypotheses about population-level associations between risk factors and disease.
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ScholarGateSammenlign metoder: Adaptive Cross-Sectional Epidemiological Study · Ecological Study. Hentet 2026-06-17 fra https://scholargate.app/da/compare