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  • Title: Vocal function and vocal discomfort in sheltered and non-sheltered 7- to 10-year-old school children in Aracaju, Brazil.
    Author: Sales NJ, Queiroz Gurgel R, Rebelo Gonçalves MI, Oliveira Cunha E, Prado-Barreto VM, Todt-Neto JC, Neyra Castaneda DF, Sampaio d'Avila J.
    Journal: J Voice; 2013 Sep; 27(5):656.e17-22. PubMed ID: 23769006.
    Abstract:
    OBJECTIVE: To compare vocal function, school performance, and vocal discomfort between sheltered and nonsheltered school children in Aracaju, Brazil. METHODS: A controlled cross-sectional study was carried out on 7- to 10-year-old children who attended school regularly. Two groups of children were studied: the study group (SG), with children who lived in a shelter, and the control group (CG) containing children who lived with their families. We interviewed 44 children for the SG and 15 (34%) revealed vocal discomfort (SG = 15). Concomitantly, we interviewed 400 regular school children from the same geographical area and 45 (11.25%) were selected for the control group (CG). They were paired by sex and age with the sheltered children using a 3:1 ratio. Both groups were interviewed about school performance and vocal discomfort and were evaluated using perceptual and acoustic measurements for the voice and larynx. RESULTS: Children from both groups had started public school late. There were more individuals with vocal discomfort in the SG and individuals in this group also had a slower speech rate and inadequate pneumophonic coordination compared with the CG. The Dysphonia Severity Index (DSI) revealed mild-moderate deviation for both groups. Upper harmonics and palatal tonsil hypertrophy were higher in the CG, whereas laryngeal constriction was more common in the SG. CONCLUSION: All the SG children revealed mild-moderate deviance on the DSI, a higher level of vocal discomfort, a slow speech rate, inadequate pneumophonic coordination, and laryngeal constriction. The results here presented suggest that social conditions are important for voice behavior in children.
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