Reliability and Validity of the Turkish Version of the Voice-Related Quality of Life Measure

Tezcaner, Zahide Çiler; Aksoy, Songül

doi:10.1016/j.jvoice.2016.04.012

Cited by 29 publications

(12 citation statements)

References 10 publications

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“…Internal consistency reliability, split-half reliability, and test-retest reliability were all evaluated [16,43]. e internal consistency reliability was estimated using Cronbach's α.…”

Section: Methodsmentioning

confidence: 99%

Development of a Diagnostic Questionnaire for Damp Phlegm Pattern and Blood Stasis Pattern in Coronary Heart Disease Patients (CHD-DPBSPQ)

Fang

Zhang

Ren

et al. 2019

Evidence-Based Complementary and Alternative Medicine

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Background. The aim was to develop a diagnostic questionnaire for damp phlegm pattern and blood stasis pattern in coronary heart disease patients (CHD-DPBSPQ). Methods. The standard procedures of questionnaire development were carried out to develop and assess CHD-DPBSPQ. The patients were assessed using the CHD-DPBSPQ, CHD-DPPQ, and CHD-BSPQ. Four methods were used to select the items on the CHD-DPBSPQ in a pilot study based on data from a Guizhou tertiary grade A hospital. Cronbach’s alpha and the split-half reliability, test-retest reliability, content validity, criterion validity, construct validity, and convergent validity were determined in a validation study using a nationwide sample. Results. After item selection, the CHD-DPBSPQ contained 15 items in two domains: the phlegm domain (9 items) and the blood stasis domain (6 items). For the CHD-DPBSPQ, the alpha coefficient was 0.88, the split-half coefficient was 0.90, and the intraclass correlation coefficient was 0.83. The range of the item-level content validity index (I-CVI) was 0.71 to 1.0 and that of the scale-level content validity index/average (Scale-CVI/Ave) was 0.97. The domain scores on the CHD-DPBSPQ were in close relation to the scores on a questionnaire for damp phlegm pattern in coronary heart disease patients (CHD-DPPQ) and a questionnaire for blood stasis pattern in coronary heart disease patient (CHD-BSPQ) (P<0.01). The root mean square error of approximation (RMSEA) was equal to 0.05 (90% CI: 0.044, 0.059). Convergent validity was demonstrated with a moderate correlation. Conclusion. The CHD-DPBSPQ is a reliable and valid instrument.

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“…Internal consistency reliability, split-half reliability, and test-retest reliability were all evaluated [16,43]. e internal consistency reliability was estimated using Cronbach's α.…”

Section: Methodsmentioning

confidence: 99%

Development of a Diagnostic Questionnaire for Damp Phlegm Pattern and Blood Stasis Pattern in Coronary Heart Disease Patients (CHD-DPBSPQ)

Fang

Zhang

Ren

et al. 2019

Evidence-Based Complementary and Alternative Medicine

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“…Participants with and without voice complaint were compared and the ability of the Turkish version of the VFI to identify vocal fatigue in patients with voice disorders was evaluated. Participants were asked to complete the voice-related quality of life (V-RQOL) scale, which has been adapted into Turkish and the reliability and validity has been confirmed and previously published [18]. The correlation between the Turkish version of the VFI and the V-RQOL scale were evaluated in order to test the construct validity.…”

Section: Validity Analysismentioning

confidence: 99%

Reliability and validity of the Turkish version of the Vocal Fatigue Index

Şirin

Bilgen

2020

Turk J Med Sci

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Background/aim The aim of this study is to evaluate the reliability and validity of the Turkish version of the Vocal Fatigue Index (VFI). Materials and methods The study was conducted with 535 participants including 285 patients with voice disorders and 250 healthy controls. Internal consistency and test-retest reliability were calculated for the reliability analysis. The mean VFI factor scores of both groups were compared. The strength and direction of the relation between VFI and Voice-Related Quality of Life (V-RQOL) measure was evaluated for the validity analysis. Results The Cronbach’s alpha coefficient of VFI factor scores was found to be 0.920 for tiredness and avoidance of voice use, 0.879 for physical discomfort with voice use, and 0.882 for improvement of symptoms with voice rest. The test-retest reliability revealed 0.877 for the tiredness and avoidance of voice use, 0.913 for the physical discomfort with voice use, and 0.820 for the improvement of symptoms with voice rest. When compared with healthy individuals, VFI factor scores were statistically significant higher in patients with voice disorders. The V-RQOL scores decreased significantly as the VFI scores increased. Conclusion The Turkish version of the VFI is a good reliable and valid instrument for evaluating vocal fatigue symptoms in the Turkish-speaking community.

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Section: Introductionmentioning

confidence: 99%

“…The original version of this instrument was created in English and applied to the English-speaking population (9) . Through international collaborations, this protocol has been adapted and validated for other languages (5,9) . The cross-cultural and linguistic adaptation is the first goal to achieve in the present study, leading to the creation of the cross-culturally equivalent Chilean version of the V-RQOL.…”

Section: Introductionmentioning

confidence: 99%

Equivalencia cultural de la Versión Chilena del Voice-Related Quality of Life (V-RQOL)

Contreras

González

Vivero

et al. 2019

CoDAS

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RESUMEN Objetivo Lograr la equivalencia cultural de la versión Chilena del Protocolo V-RQOL, a través de su adaptación cultural y lingüística. Método Primero, dos Fonoaudiólogos bilingües realizaron una traducción de V-RQOL al español. En segundo lugar, una Fonoaudióloga que no participó en las etapas previas, realizó una retrotraducción al inglés. Luego, se efectuó una comparación entre la versión original y la versión retrotraducida. Las discrepancias fueron modificadas por un comité de cinco Fonoaudiólogos, traduciendo el nombre al español como “Medición de la Calidad de Vida en Relación a la Voz” (MCV-RV) “, con 10 preguntas y 5 opciones de respuesta. Para la equivalencia cultural, se aplicó el protocolo a 15 personas con trastornos de voz. Para cada pregunta, se agregó la opción “No aplicable” entre las alternativas de respuesta con el fin de identificar preguntas incomprendidas o inapropiadas por la población. Dos de los sujetos evaluados tuvieron dificultad para responder dos preguntas diferentes, así que fue modificada solo una de ellas. La versión final del protocolo MCV-RV se aplicó a cinco personas con patología vocal, sin dificultades para comprender las preguntas adecuadamente. Resultados La MCV-RV refleja la versión original en inglés, tanto en número como en tipos de preguntas (incluido el funcionamiento físico y aspectos socioemocionales). Conclusiones Existe adaptación cultural de V-RQOL para el español Chileno (MCV-RV). La validación del MCV-RV para el español de Chile está actualmente en curso.

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Reliability and Validity of the Turkish Version of the Voice-Related Quality of Life Measure

Cited by 29 publications

References 10 publications

Development of a Diagnostic Questionnaire for Damp Phlegm Pattern and Blood Stasis Pattern in Coronary Heart Disease Patients (CHD-DPBSPQ)

Development of a Diagnostic Questionnaire for Damp Phlegm Pattern and Blood Stasis Pattern in Coronary Heart Disease Patients (CHD-DPBSPQ)

Reliability and validity of the Turkish version of the Vocal Fatigue Index

Equivalencia cultural de la Versión Chilena del Voice-Related Quality of Life (V-RQOL)

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