Correlation between Individual Characteristic and Hearing Threshold Value on Workers in PT Bangun Sarana Baja Gresik
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Abstract One of the hazard caused by steel fabrication is noise that could cause hearing loss. The aimed of this study is to analyze correlation between individual characteristic and hearing threshold value on workers in PT Bangun Sarana Baja, Gresik (study on warehouse 4 and 5 PT Bangun Sarana Baja). This study used cross sectional design. Population of this study are workers on warehouse 4 and 5 PT Bangun Sarana Baja consists of 47 people. Sample are 34 people that drawn by purposive sampling with criteria. Noise measurement on warehouse 4 and 5 showed that the score higher than Threshold Limit Value (TLV) (94,88–96,01 dB). Audiometric measurement showed that 19 from 34 samples had abnormal hearing threshold value (> 25 dB). Test with Chi Square showed that there are no correlation between individual characteristic with the hearing threshold value that caused by noise (p > 0.05). Conclusion from this study are noise in warehouse 4 and 5 are beyond the TLV and a lot of workers have abnormal hearing threshold. From the result of this study found that there are no correlation between individual characteristic and hearing threshold value on workers in PT Bangun Sarana Baja. It is necessary to controlled the noise by install noise reducer in work place and increased disclipined of workers to use ear protection appropriately. Advanced research about factors that caused hearing loss caused by noise are needed.
Keywords noise, individual characteristic, hearing threshold value