Results 211 to 220 of about 843,154 (264)

Association Between E-Cigarette Use (Vaping) and Oral Health in Adolescents and Young Adults: A Systematic Review. [PDF]

open access: yesJ Clin Med
Machuca-Portillo C   +7 more
europepmc   +1 more source

CONFOUNDING AND MISCLASSIFICATION

American Journal of Epidemiology, 1985
The authors examine some recently proposed criteria for determining when to adjust for covariates related to misclassification, and show these criteria to be incorrect. In particular, they show that when misclassification is present, covariate control can sometimes increase net bias, even when the covariate would have been a confounder under perfect ...
S, Greenland, J M, Robins
openaire   +2 more sources

Confounded by confounding: separating association from causation

Hospital Medicine, 1999
Health-care professionals need to be able to distinguish causal relationships from simple associations in two main areas: when unravelling the aetiology of diseases, and when assessing the effects of therapies. In each of these the presence of confounding can seriously mislead.
Davies, Huw T. O., Williams, Fiona L .R.
openaire   +2 more sources

Adjusting for confounding

Nutrition, 2004
y previous column1 dealt with the concept of confounding. An mportant consideration when examining the association between ny two variables (e.g., an exposure of interest and a particular isease) is whether the apparent association (or, perhaps, the lack hereof) may be due, at least in part, to the effects of a third ariable related to the other two ...
openaire   +2 more sources

The history of confounding

Sozial- und Pr�ventivmedizin SPM, 2002
Confounding is a basic problem of comparability--and therefore has always been present in science. Originally a plain English word, it acquired more specific meanings in epidemiologic thinking about experimental and non-experimental research. The use of the word can be traced to Fisher.
openaire   +2 more sources

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