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J Asthma. 2007 May;44(4):311-6.

Assessing the Perceived Stress Scale for African American adults with asthma and low literacy.

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  • 1Department of Medicine, Section of Health Promotion Research, University of Illinois at Chicago, Chicago, IL 60608, USA. sharpl@uic.edu


The Perceived Stress Scale (PSS) is a widely used measure of stress that has not been validated in asthma patients. The psychometric properties of the PSS were explored using confirmatory factor analysis and item response theory. Study 1 involved 312 ambulatory care patients with asthma who completed the PSS during a routine visit. Study 2 involved 247 community-dwelling adults with asthma who completed the PSS as a part of a larger asthma study. Four items showed acceptable psychometric performance across ethnic groups and literacy. The short PSS is a rapid, valid measure of subjective stress in diverse asthma populations.

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