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Full-Text Articles in Environmental Public Health
Internet And Telephonic Ivr Mixed-Mode Survey For Longitudinal Studies: Choice, Retention, And Data Equivalency, Santosh K. Verma, Theodore K. Courtney, David A. Lombardi, Wen-Ruey Chang, Yueng-Hsiang Huang, Melanye J. Brennan, Melissa J. Perry
Internet And Telephonic Ivr Mixed-Mode Survey For Longitudinal Studies: Choice, Retention, And Data Equivalency, Santosh K. Verma, Theodore K. Courtney, David A. Lombardi, Wen-Ruey Chang, Yueng-Hsiang Huang, Melanye J. Brennan, Melissa J. Perry
Environmental and Occupational Health Faculty Publications
Purpose
This study examined data equivalency and loss to follow-up rates from Internet and interactive voice response (IVR) system surveys in a prospective-cohort study.
Methods
475 limited-service restaurant workers participating in the 12-week study were given a choice to report their weekly slipping experience by either IVR or Internet. Demographic differences, loss to follow-up, self-reported rates of slipping, and selection of first and last choices were compared.
Results
Loss to follow-up rates were slightly higher for those choosing the IVR mode. Rates of slipping and selection of first and last choices were not significantly different between survey modes. Propensity to …