Abstract

This study was conducted to develop and validate the Health Enhancement Lifestyle Profile (HELP), a self-report measure for examining various aspects of health-related lifestyle in older adults. Data derived from 253 community-dwelling older adults were analyzed through the Rasch measurement model. Unidimensionality and data-model fit of HELP were largely supported through the analyses of principal components of residuals, fit statistics, local dependency, and differential item functioning. The item hierarchy formed through logits provided an expected pattern of healthy lifestyle behaviors. Acceptable to good person separation and reliability statistics supported the clinical applicability and consistency of the HELP scores. Finally, analysis of the rating scale structure confirmed the functioning of the 0- to 5-point rating scale used. HELP can assist in monitoring lifestyle risk factors and measuring the outcome of services aimed at promoting healthy lifestyles among older adults.

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