Epidemiol Health.
2016;38:e2016005. 10.4178/epih/e2016005.
Application of the World Health Organization Quality of Life Instrument, Short Form (WHOQOL-BREF) to patients with cataract
- Affiliations
-
- 1Department of Public Health, School of Public Health, Neyshabur University of Medical Sciences, Neyshabur, Iran.
- 2Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran. rajabiepid@gmail.com
- 3Student Research Committee, Neyshabur University of Medical Sciences, Neyshabur, Iran.
- 4Social Determinants of Health Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran.
- 5Department of Epidemiology, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- 6Pars Advanced and Minimally Invasive Manners Research Center, Pars Hospital, Iran University of Medical Sciences, Tehran, Iran.
- KMID: 2380697
- DOI: http://doi.org/10.4178/epih/e2016005
Abstract
OBJECTIVES
Cataract is a prevalent disease in the elderly, and negatively influences patients' quality of life. This study was conducted to study the application of the World Health Organization Quality of Life Instrument, Short Form (WHOQOL-BREF) to patients with cataract.
METHODS
In this cross-sectional study, 300 patients with cataract were studied in Neyshabur, Iran from July to October 2014. The Iranian version of the WHOQOL-BREF questionnaire was used to measure their quality of life. Cronbach's alpha coefficient, Pearson's correlation coefficient, the paired t-test, the independent t-test, and a linear regression model were used to analyze the data in SPSS version 16.0 (SPSS Inc., Chicago, IL, USA).
RESULTS
The mean age of the participants was 68.11±11.98 years, and most were female (53%). The overall observed Cronbach's alpha coefficient for the WHOQOL-BREF was 0.889, ranging from 0.714 to 0.810 in its four domains. The total mean score of the respondents on the WHOQOL-BREF was 13.19. The highest and lowest mean scores were observed in the social relationship domain (14.11) and the physical health domain (12.29), respectively. A backward multiple linear regression model found that duration of disease and marital status were associated with total WHOQOL scores, while age, duration of disease, marital status, and income level were associated with domains one through four, respectively (p<0.05).
CONCLUSIONS
The reliability analysis conducted in this study indicated that the WHOQOL-BREF scale exhibited an acceptable degree of internal consistency in the measurement of the quality of life of patients with cataract. It was also found that the patients with cataract who were surveyed reported a relatively moderate quality of life.
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