Effect of Noise Exposure to Hearing Impairment and Psychiatric Disorder in Students of Vocational High School of North Aceh

Indra Zachreini, Dizi Belari Putri


Objective: The purpose of this research is to find the effect of noise exposure in practice laboratory to students’ hearing impairment and psychiatric disorders.
Method: This is a case control descriptive analytic study. Subjects are 12th grade students of engineering major who use machines as case group and computer major students as control group. The level of noise was measured by sound-level-metri. Hearing disorders was examined by audiometri and psychiatric disorder was evaluated by WHO Depression Anxiety Stress Scale 42 questioner.
Result: Research result found that the average of noise level produced by machines in engineering laboratory was 113,95 dB. Hearing impairment was found significantly different between case and control group (p 0,001; OR 7,5 and 95% CI 1,82-30,92). Psychiatric disorder was also significantly different between groups spesifically in depression (p 0,001; OR: 2,2 dan IK 95% 1,40-3,45), anxiety (p 0,001; OR 3,12 dan IK 95% 1,58-6,17) and stress (p: 0,001; OR 1,85 dan IK 95%: 1,30-2,63).
Conclusion: The average noise level in engineering laboratory was higher than allowed-threshold limit values. Hearing impairment and psychiatric disorders was found to be significantly different between groups.

Key words: Vocational High School, noise effect, hearing impairment, depression, anxiety, stress




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