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J Nurs Meas. 2013;21(2):210-23.

Psychometric properties of a prediabetes instrument to assess perceived susceptibility and perceived severity in Appalachians.

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  • 1Department of Health and Sport Sciences, University of Louisville, KY 40292, USA.

Abstract

BACKGROUND AND PURPOSE:

The purpose of this study was to develop an instrument that assesses perceived susceptibility and perceived severity for individuals at risk but not yet diagnosed with type 2 diabetes living in Appalachia.

METHODS:

From 168 surveys, Cronbach's alpha and item-total correlations assessed reliability, confirmatory factor analysis confirmed construct validity (convergent and discriminant), and multiple linear regression determined concurrent criterion-related validity of perceived susceptibility and perceived severity scales. There were 22 in-depth interviews conducted to triangulate meaning of the scales' results.

RESULTS:

Discriminant validity was demonstrated via low interfactor covariation. Concurrent criterion-related validity was also established via significant regression coefficients and supplemental qualitative data.

CONCLUSIONS:

This prediabetes screening instrument provides a strong foundation for measuring perceived susceptibility and perceived severity in Appalachian individuals who have prediabetes.

PMID:
24053053
[PubMed - indexed for MEDLINE]
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