TY - JOUR ID - TI - Impact of different sources of noise exposure on hearing impairment: A cross- sectional study AU - Shaima Abd Muhsin PY - 2021 VL - 17 IS - 3 SP - 163 EP - 167 JO - Al-Kindy College Medical Journal مجلة كلية الطب الكندي SN - 18109543 25214365 AB - Background: hearing loss and noise exposure may affect the population (adolescent) if left untreated it can result in significant implications for their life and future in terms of personal education and social welfare throughout lifeObjective: To estimate the percentage of hearing impairment among a sample of the population in AL-Rusafa distract in Baghdad those exposed to a different source of noise and to detect some factors that are associated with hearing impairment.Subjects and methods: The cross-sectional study was conducted at Al-Kindy Teaching Hospital (Speech and Hearing Center) in Al-Rusafa, Baghdad, on (February 18 -September 1, 2019), the sample population was conducted through a direct questionnaire or by audiological equipment (pure tone audiometer y) was used to assess the hearing levelResults: the number of samples taken in the study was 732 patients. And by type of hearing level and age, the age group above 18 years was the most vulnerable to hearing loss76.4%, and females were more likely to have hearing loss,59.3% and while males suffer from hearing loss by 40.6%. the percentage of those who use an earphone for less than two hours a day and suffering from hearing loss was 42.2%while those who use the earphone for more than two hours a day and suffer from hearing loss have the highest percentage was 57.7% also The study showed that who use headphones and earphones for more than 6 hours per week have a hearing loss by 56.9%, while those who use headphones and earphones less than 6 hours per week suffer from hearing loss by 32%the percentage of those who knew the dangers of headphones were 32.78%, which is lower compared to those who did not know it, and it was 67.21.Conclusion: There are high risks to noise exposure especially in adolescents who use calling mobile phones for more than 2 hrs. /day. Those who use headphones and earphones for more than 6 hrs. /week suffer from hearing loss more than others, females are more prone to hearing loss than males.

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