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  • Title: Intestinal parasitic infection and associated risk factors, among children presenting at outpatient clinics in Manaus, Amazonas state, Brazil.
    Author: Maia MM, Fausto MA, Vieira EL, Benetton ML, Carneiro M.
    Journal: Ann Trop Med Parasitol; 2009 Oct; 103(7):583-91. PubMed ID: 19825280.
    Abstract:
    In a cross-sectional study, the prevalences of intestinal parasitic infection and the associated risk factors were explored among children aged 0-10 years attending outpatient clinics in Manaus, the capital city of the north Brazilian state of Amazonas. Data indicating socio-economic level and demographic factors were collected in interviews with the accompanying parent or guardian of each child. Parasitic infections were detected by the microscopical examination of faecal samples, while nutritional status was categorized by reference to the growth curves published by the U.S. National Center for Health Statistics. The data collected were analysed in a mixed, logistic-regression model. Of the 451 children tested, 58.7% were found to have intestinal parasitic infection, the most prevalent parasites being Giardia lamblia (21.5%), Endolimax nana (17.9%), Entamoeba histolytica/Entamoeba dispar (13.7%), Ascaris lumbricoides (13.5%) and Trichuris trichiura (4.9%). The prevalences of stunting, underweight and wasting among the children were 17.5%, 14.7% and 9.8%, respectively. There was no association between intestinal parasite infection and any of these indicators of malnutrition. Children whose accompanying parent/guardian was poorly educated and the elder children investigated were found to be at relatively high risk of intestinal parasitic infection (P<0.05 for each). Intestinal parasitic infections still clearly represent an important public-health problem in the northern region of Brazil.
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