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Predictors of refusal to participate: a longitudinal health survey of the elderly in Australia

Jacomb, Patricia A; Jorm, Anthony F; Korten, Ailsa E; Christensen, Helen; Henderson, A Scott


BACKGROUND: The loss of participants in longitudinal studies due to non-contact, refusal or death can introduce bias into the results of such studies. The study described here examines reasons for refusal over three waves of a survey of persons aged ≥ 70 years. METHODS: In a longitudinal study involving three waves, participants were compared to those who refused to participate but allowed an informant to be interviewed and to those who refused any participation. RESULTS: At Wave 1...[Show more]

CollectionsANU Research Publications
Date published: 2002-03-13
Type: Journal article
Source: BMC Public Health
DOI: 10.1186/1471-2458-2-4


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