Page 77 - Portuguese Journal - SPORL - Vol 61. Nº2

by authors other than those who created the has the highest number of application studies
EP version. in individuals with a heathy voice as well as
those with a speaking and singing professional
Clinimetric properties of the VHI version in voice (Table 2). The studies on validation and
EP application contributed to informing the
The VHI is the most representative of the 10 psychometric properties, which met the
target population and other populations, and majority of the criteria proposed by COSMIN.

Table 2
Clinimetric properties of the VHI

Properties Criteria
Internal consistency Total –0.95 Total –0.972 ; Subscales Phy=0.920 ; F=0.964 ; E=0.956 15
15
22
15
15
- Data not published of Bachelor degree’s monograph on speech therapy
(2007, ESSAlcoitão)
- Spearman Rho (rs)= 0.887 (total); 0.870 (physical); 0.640 (functional);
0.715 (emotional) - 39 elementary school teachers
Reproducibility - Rho (rs)= 0.850 (T); 0.826 (Phy); 0.651 (F); 0.658 (E) – in 28 teachers with
Reliability voice complaints;
- Rho (rs)= 0.936 (T); 0.902 (Phy); 0.749 (F); 0.777 (E) – in 11 teachers without
voice complaints.
Adults with dysphonia
- Validation studies – 49 + 121 Portuguese individuals + 90 ;
3
5;13
15
- Application studies 17-21 > 1000 Portuguese individuals with dysphonia
Measurement error
Adults without dysphonia
- Original study – 56 ;
3
- Application studies 15,22-23 – 177 Portuguese individuals without dysphonia
3
Experts Bilingual STs ; STs 15
Content Pre-test 21 adults with dysphonia and 10 adults without dysphonia 3
validity
Format Same as that of the original. In paper and filled during the consultation 3
- VHI total – Factor analysis - the factors explain 71.5% ; 56% ; 82% of the variance
18
23
15
Validade - VHI Portugal- Confirmatory factor analysis (inter-scales correlations)
estrutural – Phy-F=0.84 ; F-E=0.89 ; Phy-E=0.79 13
13
13
- Structure with three subscales confirmed (X =6.311, gl=2.238) 13
2
Significantly distinguishes:
Construct Validade - Individuals with dysphonia vs without dysphonia 3;20-21;23
validity
- Laryngeal diseases (p<0.001)
Validity discriminante - Severity of dysphonia 18 17
3;5,14-15; 20-21
- Duration of dysphonia (-1 year and + 1 year)
EP version equivalent to the original version (US) and to the versions of seven
Estabilidade European countries ; Cronbach’s alpha similar to the original (US) – 0.95 vs 0.92;
13
22
da medida
VHI versus Overall voice perception scale- same as the original (0.60)
VHI-30 versus VHI-9i - Portuguese adults with dysphonia (rs=0.96; p<0.001) ;
5
VHI-10 - adults with dysphonia (rs=0.915; p<0.001); without dysphonia (rs=0.647;
Validade p<0.001) ; RAVI- older adults with dysphonia (rs=0.63; p<0.001) and without
8
Criterion concorrente dysphonia (rs=0.76; p<0.001) ; SVHI in singers (rs=0.648–0.660; p<0.001) ;
11
22
validity Overall voice perception scale (rs=0.60; p<0.001) 13
Validade VHI ROC AUC=0.649; p=0.017 (discriminatory power only for nodules in singers) 11
preditiva
Voice therapy (8 sessions in 4 weeks): 21 individuals with hyperfunctional
dysphonia (mass lesions) – pre-intervention (VHI=36.1) and post-intervention.
The values of the control group (n=15) were not provided ;
21
Sensitivity to change
Voice therapy (8 sessions in 4 weeks): 16 individuals with hypofunctional dysphonia
(vocal fold paralysis /paresis), pre-intervention (VHI=21.2) and post-intervention
(VHI=16.7) – p=0.226 .
21
Abbreviations : VHI, Voice Handicap Index; ROC, receiver operating characteristic curve; AUC, area under the ROC curve;
SVHI, Voice Handicap Index for singers; ST; speech therapist; EP, European Portuguese; T, total; Phy, physical; F, functional; E, emotional.
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