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The aim of this study was to arrive at a theoretical statistical measure for the possible risk of future noise-induced hearing loss (NIHL) due to leisure time activities in teenagers. The subject's time consumed in noisy activities, the subject's self-evaluated loudness of the activities and estimated noise levels were used as the actual predictors in the risk analysis. Symptoms of hearing damage, i.e. tinnitus, pain in the ear and temporary hearing loss due to noise exposure, were also inquired about. No measurements of hearing loss were carried out in this study. Fifty-one percent of teenagers were estimated to be exposed to noise levels detrimental to hearing acuity. The incidence of hearing symptoms seemed to be correlated to increased noise dose. The noisiest leisure activities were: playing in a band, motor sport, discos and pop-concerts, and shooting. The results give indications of possibilities for NIHL among teenagers.
Jokitulppo et al. (Wed,) studied this question.