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Korean Journal of Preventive Medicine 1998;31(2): 285-292.
Effect of cigareet smoking on air-conduction hearing threshold level in adult men.
Jin Seok Kim, Min Hae Yeh, Byung Yeol Chun, Kuck Hyeun Woo, Yune Sik Kang, Keon Yeop Kim, Young Sook Lee
1Department of Preventive Medicine, College of Medicine, Soonchunhyang University, Korea.
2Department of Preventive Medicine, College of Medicine, Kyungpuk National University, Korea.
To investigate the effect of smoking on the hearing threshold, l,887 adult male workers who visited health care center during the period l January 1996 - 31 July 1997 were selected. Air-conduction hearing threshold level, diastolic blood pressure(DBP), total cholesterol, fasting blood sugar(FBS), hematocrit and obesity, were measured. The data on age, occupation, and smoking were collected. Air-conduction hearing threshold in smoker was significantly higher than non-smoker in categories of 250, 500, 1000 and 4000 Hz(p<0.05). Mean values of PTA-low, PTA-mid, and PTA-high in smoker were also significantly higher than non-smoker(p<0.05). In multiple regression analysis, smoking is likely to play a significant role after controlling age, occupation, DBP, FBS, total cholesterol, hematocrit, and obesity,(p<0.05). The hearing threshold was significantly increased with increasing age(p<0.05), the manufacturing worker may have higher hearing threshold(p<0.05). The higher hematocrit and the more obese, the higher hearing threshold(p<0.05). However, DBP, total cholesterol and FBS were not significantly related with hearing threshold level. In conclusion, smoking was significantly related with the hearing threshold level in adult men.
Key words: hearing threshold; smoking; PTAs(pure-tone averages)
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