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Aetiologic factors associated with hoarseness in ten-year-old children.

The parents of 55 10-year-old children answered questionnaires concerning 51 elements of potential relevance to voice function such as vocal habits, speech and language development, medical history, social history, physical environment and family relations. In addition, personality profiles of each child were assessed by its teacher and parents. The results were compared to an expert listening panel's evaluation of hoarseness and vocal-fold status as determined by a visual examination by a phoniatrician. Eight boys were identified as being chronically hoarse. Gender, personality and hours spent per day in large groups were highly significant factors associated with hoarseness. A discriminant analysis based on the significant background variables correctly grouped 86.3% of the children.