Format

Send to

Choose Destination
Med Pr. 2018 Mar 9;69(2):119-128. doi: 10.13075/mp.5893.00649. Epub 2017 Dec 28.

Screening value of V-RQOL in the evaluation of occupational voice disorders.

Author information

1
Nofer Institute of Occupational Medicine, Łódź, Poland (Audiology and Phoniatrics Clinic). joannamorawska@poczta.onet.pl.
2
Nofer Institute of Occupational Medicine, Łódź, Poland (Audiology and Phoniatrics Clinic).
3
University of Lodz, Łódź, Poland (Department of Economic and Social Statistics).

Abstract

in English, Polish

BACKGROUND:

Given the growing number of occupational voice users, easy and quick broad-scale screening is necessary to provide prophylaxis of voice disorders. The aim of the study was to assess applicability of the Voice Related Quality of Life questionnaire (V-RQOL) to screening occupational voice disorders.

MATERIAL AND METHODS:

The research comprised 284 subjects divided into 3 groups: 0 - the control group of normophonic subjects, non-professional voice users (N = 60), 1 - occupational voice users with objectively confirmed voice disorders (N = 124), 2 - the non-randomized group of occupational voice users with and without voice problems (N = 100). Self-assessment of voice was performed by means of the V-RQOL in comparison to the Voice Handicap Index (VHI). The relation between the V-RQOL and VHI was determined by means of linear regression. Receiver Operating Characteristic (ROC) curves were constructed and the cut-off point of the VRQOL was determined to discriminate between normophonic and dysphonic subjects.

RESULTS:

The relationship between the VHI and V-RQOL scores indicated a satisfactory coefficient of determination: R<sup>2</sup> = 0.7266. High values of Cronbach's α confirmed high reliability of the V-RQOL test (0.867). Voice-Related Quality of Life questionnaire (V-RQOL) results were significantly worse in the study group than for normophonic controls (p < 0.001). The cut-off point for the test was set at 79 points. The determined area under the curve (AUC) = 0.910 (p < 0.001) showed high diagnostic accuracy of the V-RQOL. Results of the VRQOL differed for diagnose-based subgroups of dysphonic patients.

CONCLUSIONS:

The study gives grounds for application of the V-RQOL as a reliable tool for screening occupational voice disorders. Med Pr 2018;69(2):119-128.

KEYWORDS:

biopsychosocial impact; dysphonia; occupational voice; screening; self-assessment; voice disorders

PMID:
29300394
DOI:
10.13075/mp.5893.00649
[Indexed for MEDLINE]
Free full text

Supplemental Content

Full text links

Icon for Nofer Institute of Occupational Medicine
Loading ...
Support Center