Voice performance evaluation of street children from Aracaju, Brazil using perceptual-auditory and acoustic analyses.

Objective: To compare the voice performance of children involved in street labor with regular children using perceptual-auditory and acoustic analyses.

Methods: A controlled cross-sectional study was carried out on 7- to 10-year-old children of both genders. Children from both groups lived with their families and attended school regularly; however, child labor was evident in one group and not the other.

Vocal function and vocal discomfort in sheltered and non-sheltered 7- to 10-year-old school children in Aracaju, Brazil.

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.