Volume 5, Issue 2 (Spring 2019)                   Iran J Neurosurg 2019, 5(2): 8-9 | Back to browse issues page

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Rezaei S, Khaksari Z. Validity and reliability of the Short Form Health Survey Questionnaire (SF-36) for Using in Iranian Patients with Traumatic Brain Injury (TBI). Iran J Neurosurg. 2019; 5 (2) :8-9
URL: http://irjns.org/article-1-181-en.html
1- Department of Psychology, University of Guilan, Rasht, Iran
2- Department of Psychology, Payame Noor University,Tehran, Iran , zahra.khaksari@pnu.ac.ir (Corresponding author)
Abstract:   (194 Views)
Background: The assessment of Quality of Life (QoL)‌as a measurement of traumatic brain injury (TBI) outcome can play a key role in identifying adverse effects of TBI and impact of different treatments on the progress of patients' recovery. Objectives: Therefore, the present study aimed to validate the Persian version of the Short Form Health Survey Questionnaire (SF-36)‌in patients with TBI.
Materials and Method: In the present cross-sectional study, 185 patients with TBI were selected by non-probability and consecutive sampling. First, the construct validity of the Persian version of the SF-36 questionnaire was evaluated using the confirmatory factor analysis (CFA) in AMOS-22, and then the internal consistency reliability and item-total score correlation of each subscale were assessed by SPSS-22.
Results: Results of CFA indicated that the dimensionality of SF-29 questionnaire with eight-factor structure among the Iranian TBI patients had construct validity (GFI=0.825,‌CFI=0.963,NFI=0.919, TLI=0.957,RMSEA=0.06) by eliminating 6 items and freeing some of covariance errors between items, but the two-factor dimensionality (physical and psychological components of QoL) of this questionnaire was not approved. Internal consistency of the eight-factor form of SF-29 subscales was acceptable to excellent (= α0.70 to 0.99). Correlation analysis of item-total score for determining the construct validity of SF-29 indicated that except for 2 items, all items of the questionnaire had a positive and strong correlation with their subscales (r=0.40 to 0.99,‌P<0.0001).
Conclusion: Persian version of SF-29 with an eight-factor construct had a good validity and reliability and could be used to measure health-related QoL in Iranian patients with TBI.
Type of Study: Research | Subject: Trauma

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