长沙市高校学生冬季饮水量研究

Water Intake of University Students in Changsha in Winter

目的 :了解长沙市高校学生冬季饮水量情况,为评价大学生群体对水中污染物暴露和健康风险提供基础性数据。方法 :采用问卷调查和实际测量相结合的方法,于2014年12月—2015年1月在长沙某四所高校抽取1000名大学生进行冬季饮水量调查。结果 :该地区居民冬季总饮水量均值为2639.8 m L/d,直接饮水量和间接饮水量均值分别为1746.9、893.0 m L/d,且在不同性别、不同院校、不同BMI之间均存在统计学差异。结论 :对长沙市大学生群体开展饮用水中污染物环境暴露和健康风险评价时应结合实际情况,考虑性别、院校和BMI等因素对饮水量的影响。

Objective To acquire the winter drinking water intake of healthy university students in Changsha, and to provide the basic data for the water pollutants exposure and health risk sssessment of university students. Methods In Dec, 2014 and Jan, 2015, direct drinking water intake and indirect drinking water intake from food in winter were investigated using questionnaire survey methods in 1000 subjects selected from 4 colleages in Changsha. Results The average total drinking water intake was 2639.8 m L/d in winter, The average direct and indirect drinking water intake rates were found respectively to be 1746.9m L/d, 893.0 m L/d in winter, The daily consumption of total drinking water, direct drinking water and indirect drinking water is significantly different in studnets among different universities and is significantly different in gender and BMI. Conclusion The effect of gender,,university and BMI of drinking water exposure factors should be taken into account in health risk assessment on drinking water intake to improve the accuracy of the risk assessment.