Apparent change in caseness in longitudinal studies

Rob Selzer; John B. Carlin

doi:10.1017/S0033291796003546

Apparent change in caseness in longitudinal studies

Rob Selzer, John B. Carlin

Research output: Contribution to journal › Article › Research › peer-review

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Abstract

Unless positive responses are verified at a second stage of data collection, a questionnaire-based survey has limited ability to assess change in caseness in a longitudinal study of a condition of low prevalence, assuming imperfect validity of the survey instrument.

Original language	English
Pages (from-to)	237-240
Number of pages	4
Journal	Psychological Medicine
Volume	27
Issue number	1
DOIs	https://doi.org/10.1017/S0033291796003546
Publication status	Published - Jan 1997
Externally published	Yes

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10.1017/S0033291796003546

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Apparent change in caseness in longitudinal studies

Abstract

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