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KMID : 1031120160060020061
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Journal of Epilepsy Research
2016 Volume.6 No. 2 p.61 ~ p.67
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Psychometric Properties of the Persian Version of the Quality of Life in Epilepsy Inventory in the Later Life
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Asadollahi Abdolrahim
Saberi Laleh Fani
Havasi Ali
Kaveh Mohammad-Hossein
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Abstract
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Background and Purpose: The reports indicate on the incidence of seizure disorder about 1.5 per cent of the normal elderly population. The Quality of Life in Epilepsy Inventory (QOLIE-31) has been pervasive simple tool to screen seizure in the busy neurophysiological settings and monitoring. It was constructed as self-administered tool in two formats, 89 and 31-items. To the reliability and validity of the QOLIE-31 across older adults in the southwest Iran and discuss its role in the detection of health-related quality of elderly patients with epilepsy.
Methods: About 73 older adults (mean age = 66.3 ± 1.71) were sampled from the eight hospitals and caring centres. They replied to the QOLIE-31. External and criterion validity was calculated by correlation to the SF-36 questionnaire, to check and validate the epilepsy specific dimensions. The QOLIE-31 includes seven subscales: overall quality of life, seizure worry, emotional well-being, energy/fatigue, cognitive, medication effects, and social function.
Results: There was significant difference within sample groups regarding main variables (p < 0.05). The coefficients of Cronbach’s alpha (α= 0.76), convergent validity (0.81), divergent validity (?0.21), external validity with overall score of SF-36 (0.87), and criterion validity (0.78) were estimated, which were significant at p < 0.01. The exploratory factor analysis demonstrated that the QOLIE-31 is organized into six factors, which clarifies 92 per cent of the scale’s variance. Second-order confirmatory factor analysis pointed out that the factor is well matched up onto a principal factor. Consequently, the 6-factors model was well appropriate for the data by the fit index techniques for adjusting the scale (AGFI = 0.94, GFI = 0.96, RMSEA = 0.003, IFI = 0.90, NFI = 0.95, CFI = 0.95).
Conclusions: The results pointed to the well-adjusted reliability and psychometric properties of the QOLIE-31 and its usefulness for the relevant studies as well.
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KEYWORD
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Validity & reliability, QOLIE-31, SF-36, Epilepsy, Seizure, Older adults, Iran
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