RANDOM DIGIT DIALING FOR CONTROL SELECTION
- 1 January 1990
- journal article
- review article
- Published by Oxford University Press (OUP) in American Journal of Epidemiology
- Vol. 131 (1) , 1-5
- https://doi.org/10.1093/oxfordjournals.aje.a115462
Abstract
Random digit dialing is an effective method for creating a probability sample of households for telephone interviews. Epidemiologists have successfully used the technique to select controls for population-based case-control studies. However, a modified version of random digit dialing used in some institution-based studies of childhood cancer etiology involves a selection process which is biased against children from families with closely spaced births. The author discusses alternative approaches to reducing this bias in control group selection.Keywords
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