The 'well control' artefact in case/control studies of specific psychiatric disorders.

Abstract

An appropriate choice of controls in case/control studies of specific psychiatric disorders is crucial for valid risk-factor assessment. One suggested approach to control-group selection, the use of a well control group, is the focus of this paper. While using well controls has intuitive appeal, this paper shows that such a procedure can lead to ambiguous… (More)

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Cite this paper

@article{Schwartz1989TheC, title={The 'well control' artefact in case/control studies of specific psychiatric disorders.}, author={S. Schwartz and Brian Link}, journal={Psychological medicine}, year={1989}, volume={19 3}, pages={737-42} }