Background: World Health Organisation estimates that 1.1 billion young people worldwide could be at risk of hearing loss due to unsafe listening practises and nearly half of the teenagers and young adults are exposed to unsafe levels of sound from the use of personal audio devices.

Aim: This study aimed to determine the prevalence and pattern of hearing loss among students with habitual use of headphone/earphone in tertiary institutions in Kaduna.

Participants And Methods: This was a prospective cross-sectional study of young adults with prolonged headphone/earphone usage in Kaduna and a group of nonheadphone/earphone users matched for age and sex as controls. Ethical approvals were obtained from relevant bodies and informed consent was also obtained from all participants. Data were obtained by clinical interview and audiometric evaluation of the participants and the data obtained were descriptively analysed using SPSS version 20.0. Frequency tables were generated and chi-square test and Student's test were used to test for a possible association of variables. The level of significance was set at < 0.05.

Results: Two hundred and seventy-two prolonged headphone/earphone users with same number of controls participated in this study. The mean age for subjects and controls was 22.6 ± 3.4 and 23.2 ± 4.2, respectively. Using the better hearing ear, 48 and 20 of the subjects and controls, respectively, had hearing loss, giving a prevalence of 17.6% and 7.4% among the subjects and controls, respectively. Of the 48 subjects with hearing loss, 89.6% had a mild hearing loss. Majority, 91.7% had sensorineural hearing loss and the hearing loss was bilateral in all the participants (both subjects and controls). High frequencies were the most affected (64.6%).

Conclusion: This study revealed that hearing impairment was more common among prolonged headphone/earphone users. In the majority of the prolonged headphone/earphone users, the hearing impairment was bilateral, mild, sensorineural, and mostly affects higher frequencies.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10914113PMC
http://dx.doi.org/10.4103/jwas.jwas_77_23DOI Listing

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