杭州市流动人口急性腹泻危险因素的病例对照研究

目的了解杭州市流动人口发生急性腹泻的危险因素。方法以杭州市流动人口聚集地作为调查点,采用配对病例对照研究方法和入户调查的方式,收集流动人口急性腹泻病例和对照人群在餐厨环境、食品采购、食品加工、饮食习惯、食品储存等5部分共38个指标的情况,并对数据进行logistic回归模型多因素统计学分析。结果购买新鲜的食物(OR=0.165,95%CI:0.051~0.537)、处理食物前清洁双手(OR=0.192,95%CI:0.038~0.981)、剩余食物再次食用前充分加热(OR=0.238,95%CI:0.057~0.990)是急性腹泻的保护因素。烹调的食物有血水(OR=4.288,95%CI:1.143~16.080),在小摊、路边店、大排档用早餐(OR=31.323,95%CI:1.323~741.570),食用外购熟食(OR=4.640,95%CI:1.538~14.000)是主要的危险因素。结论良好的个人卫生和烹调习惯以及坚持在家用餐是减少流动人口急性腹泻的主要措施。

Risk factors related to acute diarrhea in the migrant population in Hangzhou:a matched case-control study

To understand the behavioral risk factors related to acute diarrhea in the migrant population.Methods From migrant population colony, we collected data from the dining and kitchen environment, food purchasing, food processing, eating habits and food store, with 38 indicators. Case control was used to investigate diarrhea cases, and stratified Cox model was used for data statistics and analysis. Results Case control study showed that buying fresh food (OR=0.165,95%CI:0.051-0.537), cleaning hands before handling food (OR=0.192,95%CI:0.038-0.981), adequate heating food remains before eating (OR=0.238,5%CI:0.057-0.990) were protective factors. Eating cooked food with blood left (OR=4.288,5%CI:1.143-16.080), having breakfast in the stalls, roadside shop and sidewalk snack booth (OR=31.323,5%CI:1.323-741.570), eating deli from store (OR=4.640,5%CI:1.538-14.000) were the major risk factors. Conclusion A good habit of personal health and cooking as well as eating at home can control acute diarrhea in the migrant population.