The regression analysis showed that being male, older age, current smokers, current drinks, higher level of cholesterol and triglyceride in blood were the common risk factors for hearing impairment, whereas higher income and higher education was a protective factor. 多因素回归分析表明:男性、高龄、吸烟、饮酒、高胆固醇及高甘油三酯是听力损失的危险因素,高收入和高文化程度是保护因素。