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[Prevalence of Enterobius vermicularis infection of children and its influencing factors in Chongqing City].

[Article in Chinese]

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  • 1Chongqing Municipal Center for Disease Control and Prevention, Chongqing 400042, China.



To understand the infection status of Enterobius vermicularis of children aged 3-12 years and its influencing factors in Chongqing City.


One rural county and 1 urban county were selected as investigation areas. The children aged 3-12 years of 5 towns from 5 different directions of each county were investigated. About 150 children were investigated every town. The Enterobius vermicularis eggs of children were detected by the adhesive cellophane anal swab method. The children's parent education levels and personal circumstances of sanitation were investigated by the questionnaire survey.


Among 1 592 children investigated, the total infection rate of Enterobius vermicularis was 6.85%. The infection rates of boys and girls were 6.29% and 7.40%, respectively. The infection rates of rural and urban areas were 12.13% and 2.14%, respectively. The infection rate in children aged 5-7 years was the highest (13.56%) among all the child aged groups. There were significant differences for the infection rates of Enterobius vermicularis among children of different aged groups, different areas, different education levels and occupations of parents, washing hand before meal or not, washing hand after WC or not, different classroom grounds, and lodging or not (P < 0.01 or P < 0.05). The multivariate logistic analysis indicated that aged group, different areas, classroom ground and lodging children were independent risk factors for Enterobius vermicularis infection.


The infection rate of Enterobius vermicularis in rural area is higher than that in urban area. The control emphases should be the children of low group, rural area, poor classroom and lodging.

[PubMed - indexed for MEDLINE]
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