title: [The search for new risk factors in epidemiology. A few considerations].
abstract: This paper discusses three aspects of the design and analysis of studies intended to find out new risk factors: the formulation of the problem (explanatory or pragmatic), the importance of moderate misclassifications on efficiency, the definition and taking into account of confounding factors.
mesh_terms: D002965:Classification; D004198:Disease Susceptibility; D004812:Epidemiologic Methods; D006801:Humans; D012306:Risk; D013223:Statistics as Topic
vernacular_title: La recherche de nouveaux facteurs de risque en épidémiologie. Quelques considérations.