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Psychometric evaluation of the appraisal of health scale in stroke survivors.

Johnson EA, Bakas T, Williams LS. Psychometric evaluation of the appraisal of health scale in stroke survivors. Journal of Nursing Measurement. 2012 Mar 28; 19(3):146-59.

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Abstract:

BACKGROUND/PURPOSE: Little is known about the cognitive appraisal process influencing poststroke depressive symptoms. Based on a framework derived from Lazarus and Folkman (1984), psychometric properties of the Appraisal of Health Scale (AHS) were tested. METHODS: Secondary analysis of data from 394 stroke survivors tested internal consistency reliability and construct validity of the AHS, consisting of 3 subscales (threat, benign, benefit). RESULTS: Cronbach's alphas were satisfactory (threat .92, benign .85, benefit .73). After principal axis factoring, two factors emerged (threat, benefit). Sequential multiple regression accounted for 43% of the variance in depressive symptoms (p < .001), partly explained by the threat and benefit subscales after controlling for depression history, disability, age, social support, self-esteem, and optimism. CONCLUSION: Threat and benefit AHS subscales demonstrated satisfactory evidence of internal consistency reliability and construct validity in stroke survivors.





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