方法对比

	实用生态学研究	剂量-反应分析
领域	流行病学	流行病学
方法族	Process / pipeline	Process / pipeline
起源年份	1967–1982 (pragmatic concept 1967; ecological study formalized ~1982)	Conceptual roots 16th century; modern epidemiological application mid-20th century
提出者	Morgenstern (ecological study framework); Schwartz & Lellouch (pragmatic design concept)	Paracelsus (conceptual foundation); formalized by John Snow and later Bradford Hill
类型	Observational ecological study with pragmatic framing	Quantitative analytical method
开创性文献	Morgenstern, H. (1982). Uses of ecologic analysis in epidemiologic research. American Journal of Public Health, 72(12), 1336–1344.	Rothman, K. J., Greenland, S., & Lash, T. L. (2008). Modern Epidemiology (3rd ed.). Lippincott Williams & Wilkins. ISBN: 978-0781755641
别名	real-world ecological study, effectiveness ecological study, population-level pragmatic study, pragmatic ecologic design	exposure-response analysis, concentration-response modeling, dose-response modeling, DRA
相关	5	4
摘要	A pragmatic ecological study is an observational epidemiological design that examines associations between exposures and outcomes at the population or group level — using routinely collected, real-world data — with the explicit goal of informing practical public health decisions under everyday conditions. Rather than controlling every variable in a laboratory-like manner, it embraces the complexity and heterogeneity of natural settings to answer effectiveness questions relevant to policy.	Dose-response analysis quantifies the relationship between the magnitude of an exposure (the dose) and the probability or rate of an outcome (the response). It is a core analytical strategy in epidemiology and toxicology, providing evidence that increasing exposure systematically increases — or decreases — the risk of disease. A demonstrated dose-response gradient is one of Bradford Hill's classic criteria supporting causal inference.