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STRUCTURAL EQUATION MODELING OF HEALTH-RELATED QUALITY OF LIFE AMONG PEOPLE WITH VISUAL IMPAIRMENT


 Visual impairment can lead to limited accessibility and activities and a decreased quality of life. This study aimed to test a hypothetical model based on the International Classification of Functioning, Disability, and Health to predict the health-related quality of life (HRQOL) of people with visual impairment. Data from 202 people with visual impairment were collected from August 2020 to November 2020 via telephone or e-mail. The overall fitness indices of the model for physical HRQOL (Normed χ2=2.076, GFI=.878, TLI=.900, CFI=.928, RMSEA=.073) and the model for mental HRQOL (Normed χ2=2.232, GFI=.884, TLI=.904, CFI=.932, RMSEA=.078) complied with the recommended criteria of structural equation model fitness, indicating that the models were appropriate for predicting the HRQOL of people with visual impairment. The socioeconomic status, multimorbidity, perceived environmental barriers, and activity limitation/participation restriction directly affected the participants’ physical HRQOL. Moreover, depression, disability identity, and activity limitation/participation restriction directly affected participants’ mental HRQOL. Age, socioeconomic status, depression, social support, and perceived environmental barriers affected the participants’ physical and mental HRQOL by means of activity limitation/participation restriction. The findings of the study suggest that the strategies aimed at increasing the activity/participation of people with visual impairment will be helpful in improving their HRQOL. Based on the results of this study, nursing intervention programs and services for people with visual impairment should be developed and implemented to provide more comprehensive care for this group and expand nursing science.