A longitudinal study of the prevalence of voice disorders in children from a rural school division

Vocal Characteristics in Children With Attention Deficit Hyperactivity Disorder

“…Most authors agree that anywhere from 1% to 23% of children have a voice disorder at any point in time and that 6-9% is the best estimate of prevalence. [19][20][21] Disturbances in the vibratory characteristic of the vocal folds or in the function of the laryngeal muscles may be the cause of dysphonia. Early identification of pediatric voice disorders is advisable because these disorders may progress to lifelong communicative impairments if left untreated.…”

Prevalence of voice disorders in African American and European American preschoolers

“…4 The large variation in voice disorders surveys in children is presumably the result of different methodologies and criteria for diagnosing a disorder. Pont 5 surveyed 639 California children in kindergarten through eighth grade and found that 9.1% of the children presented with hoarseness.…”

Investigation of habitual pitch during free play activities for preschool-aged children

“…# 2008 Elsevier Ireland Ltd. All rights reserved. adult population in U.S. is estimated to be adversely affected by voice disorders [8], and a wide range (3.9-23%) of prevalence of voice disorders has been reported for young children [1,4,9,10]. To provide service and treatment to patients with voice disorders, clinicians typically rely on the assessment of the propriety of patients' vocal characteristics including vocal pitch/frequency, and the accuracy of the vocal assessment is crucial to the efficacy of the treatment plan.…”