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目的探讨广西人群蛔虫感染的主要影响因素,找出今后防控的关键环节。方法按照《全国人体重要寄生虫病现状调查实施方案》抽样和确定对象,采用改良加滕厚涂片法粪便检查虫卵,虫卵阳性作为病例,按照1:1配对,选出对照者,采用全国“寄调”《土源线虫感染病例对照调查表》问卷调查,采用单因素和多因素配对Logistic逐步回归进行统计分析。结果(1)单因素分析显示,除了吃洗净后的瓜果、经济收入、饮用水源和厕所类型4个因素对蛔虫感染的影响没有显著意义外,其余8个因素均有显著意义,其中,便后洗手(OR=3.955)具有高度保护作用,喝生水和捡落地食品不洗就吃均具有高度危险作用(OR值分别为0.186和0.184),10年内驱虫次数(OR=0.753),具有一定保护作用。(2)经多因素分析,最终被选入回归方程的因素有便后洗手、喝生水、捡落地食品不洗就吃和10年内驱虫次数。结论广西人群蛔虫感染的主要影响因素是个人卫生习惯,药物治疗干预可以降低蛔虫的感染。
Objective To investigate the main influencing factors of Ascaris infection in Guangxi and to find out the key links in future prevention and control. Methods In accordance with the National Plan of Investigation on the Status of Important Parasitic Diseases in People’s Republic of China, the samples were stained with improved Gatten thick smear method to detect the eggs and eggs as the cases. Matches were selected according to 1: 1, National “send” “soil nematode infection case-control questionnaire” questionnaire survey, using single-factor and multi-factor Logistic regression analysis for statistical analysis. Results (1) Univariate analysis showed that except for the effects of eating washed fruits, economic income, drinking water sources and toilets on roundworm infection, there were no significant differences among the eight factors (OR = 3.955) were highly protective. High levels of protection were obtained when drinking raw water and picking up food without washing (OR = 0.186 and 0.184, respectively) , Has a certain protective effect. (2) After multivariate analysis, the factors that were finally selected into the regression equation were hand washing, drinking raw water, picking up food without washing and the number of deworming within 10 years. Conclusion The main influencing factor of Ascaris infection in Guangxi is personal hygiene habit. Medication intervention can reduce the infection of Ascaris.