Internet and telephonic IVR mixed-mode survey for longitudinal studies: choice, retention, and data equivalency

Santosh K Verma1, Theodore K Courtney2, David A Lombardi2

  • 1Center for Injury Epidemiology, Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts; Department of Family Medicine and Community Health, University of Massachusetts Medical School, Worcester, Massachusetts.

Annals of Epidemiology
|November 21, 2013
PubMed
Abstract

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