Volume 24, Number 1 (4-2014)                   J Holist Nurs Midwifery 2014, 24(1): 9-20 | Back to browse issues page


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Tagharrobi Z, Sharifi K, Sooky Z. Psychometric evaluation of Stanford health assessment questionnaire 8-item disability index (HAQ 8-item DI) in elderly people. J Holist Nurs Midwifery. 2014; 24 (1) :9-20
URL: http://hnmj.gums.ac.ir/article-1-84-en.html

Instructor School of Nursing and Midwifery, Kashan University of Medical Sciences , sooki812000@yahoo.com
Abstract:   (4603 Views)

  Introduction: Measuring level of disability in elderly in attention to their physical status requires an instrument practicable in elderly and easy to score.

  Objective: Survey the reliability and validity of the HAQ 8-item DI in older people residing in Kashan Golabchi nursing home.

  Methods: In this methodological study, samples were chosen by census method (n=100). After translation of original copy, the inter-rater agreement between evaluators and internal consistency were assessed. For validity determination, concurrent validity, exploratory factor analysis and Known-groups were used. The data were analyzed using Pearson correlation coefficient, Intra-class correlation coefficient (ICC), Kappa, Equal - Length spearman-brown, Guttman, Alpha Cronbach coefficient, Kruskal-Wallis test and factor analysis via principal component analysis with varimax rotation.

  Results: Inter-rater reliability coefficient for every item was good or excellent (Kappa>0.7). ICC in relation to overall instrument was 0.992. The questionnaire reliability coefficient (internal consistency) was 0.95-0.98. Item-total correlation confirmed its reliability too. Its concurrent validity with original Barthel index was confirmed (r=-0.92, p<0.0001). The known-groups approach revealed this tool as valid (p<0.0001). The factor analysis extracted one main factor with value more than one which could explain %87.15 of the total variance of elderly disability.

Conclusion: The Persian translation of HAQ 8-item DI for evaluation of disability in elderly people residing in Golabchi nursing home is valid and reliable.

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Type of Study: Research | Subject: Special
Received: 2012/07/31 | Accepted: 2013/08/11 | Published: 2014/03/2

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