A definition of causal effect for epidemiological research
نویسندگان
چکیده
منابع مشابه
A definition of causal effect for epidemiological research.
Estimating the causal effect of some exposure on some outcome is the goal of many epidemiological studies. This article reviews a formal definition of causal effect for such studies. For simplicity, the main description is restricted to dichotomous variables and assumes that no random error attributable to sampling variability exists. The appendix provides a discussion of sampling variability a...
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ژورنال
عنوان ژورنال: Journal of Epidemiology & Community Health
سال: 2004
ISSN: 0143-005X
DOI: 10.1136/jech.2002.006361