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Iranian Voice Quality of Life Profile (Ivqlp): Factor Analysis Publisher Pubmed



Dehqan A1 ; Yadegari F2 ; Scherer RC3 ; Asgari A4 ; Dabirmoghadam P5
Authors
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Authors Affiliations
  1. 1. Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
  2. 2. Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
  3. 3. Department of Communication Sciences and Disorders, Bowling Green State University, Bowling Green, Ohio, United States
  4. 4. Department of Consultation, Kharazmi University, Tehran, Iran
  5. 5. Otolaryngology Research Center, Amiralam Hospital, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Voice Published:2017


Abstract

Objectives An important domain in health-related quality of life evaluations is quality of life perceptions due to having a voice disorder. The objective of this study was to examine the factor structure of the Iranian Voice Quality of Life Profile (IVQLP) based on Exploratory Factor Analysis and confirmatory factor analysis. Methods The study sample consisted of 280 patients (174 males and 106 females) diagnosed with MTD, benign organic disorders such as polyps and nodules, and unilateral vocal fold paralysis and cancer. To evaluate the different dimensions of the IVQLP, a principal component analysis (PCA) was conducted. Confirmatory factor analysis (CFA) was used to investigate the fitting of extracted dimensions and construct validity of the IVQLP. Results The results showed that the IVQLP has a 4-factor structure. The first factor has 17 items and refers to Emotions. The second factor has 12 items and refers to Individual/Social Relations. The third factor with 6 items refers to Occupation, and the forth with 5 items relates to Psychosomatic characteristics. Conclusions The conclusion of this study is that the concept of quality of life in Iranian patients with voice disorders is somewhat different from that of Western patients. This difference can be seen in. the large number of items related to an Emotional factor and the identification of a Psychosomatic factor. © 2017 The Voice Foundation
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