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Revista Paulista de Pediatria

Print version ISSN 0103-0582


BELO, Vinícius Silva et al. Factors associated with intestinal parasitosis in a population of children and adolescents. Rev. paul. pediatr. [online]. 2012, vol.30, n.2, pp.195-201. ISSN 0103-0582.

OBJECTIVES: To analyze the prevalence and the factors associated with intestinal parasites infections in children and adolescents enrolled in elementary schools from São João del-Rei, Southeast Brazil. METHODS: In this sectional study, coproscopic examinations were performed by spontaneous sedimentation and Kato-Katz techniques in 1,172 schoolchildren. Multivariate logistic regression models were adjusted for the study of factors associated with infections in general and separately for helminthes and protozoon. RESULTS: The prevalence of infection was 29%, ranging from 7 to 83% between schools of lower and higher occurrence respectively. The presence of toilets in the home was associated with a lower prevalence of helminths; the increasing age of the students was associated with a higher rates of protozoon and parasites in general, while the presence of water filter and living in urban area were associated with a lower prevalence of the three outcomes. In all regions, the consumption of preventive medication against helminths was recorded. CONCLUSIONS: Inequalities in living conditions have changed the prevalence of parasitosis differently among the study regions. The study underscores the need to promote the use of water filters in endemic areas houses and to evaluate the preventive use of anti-helminthic drugs in the dynamic of individual health. Control measures that take into account the factors described should be a priority.

Keywords : protozoan infections; helminths; epidemiology; risk factors; health inequalities.

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