02764nas a2200457   4500000000100000008004100001653001500042653002200057653001200079653001000091653002800101653001300129653001000142653001100152653001800163653001500181653001100196653002100207653002400228653003500252653000900287653001500296653001700311653001500328653001700343653001600360653002000376653001200396653000900408653001300417100001200430700001100442700001200453700001500465245012600480856006800606300001100674490000600685520160100691022001402292       2013                            d10aAdolescent10aAncylostomatoidea10aAnimals10aChild10aCross-Sectional Studies10aEthiopia10aFeces10aFemale10aHelminthiasis10aHematocrit10aHumans10aHymenolepis nana10aIntestinal Diseases10aIntestinal Diseases, Parasitic10aMale10aMicroscopy10aParasitology10aPrevalence10aRisk Factors10aSchistosoma10aschistosomiasis10aSchools10aSoil10aStudents1 aAbera B1 aAlem G1 aYimer M1 aHerrador Z00aEpidemiology of soil-transmitted helminths, Schistosoma mansoni, and haematocrit values among schoolchildren in Ethiopia.  uhttp://www.jidc.org/index.php/journal/article/view/23493004/847  a253-600 v73 a<p><strong>INTRODUCTION: </strong>This study aimed to determine the prevalence of intestinal helminths, risk factors and haematocrit values among primary schoolchildren.</p>

<p><strong>METHODOLOGY: </strong>Across-sectional study was conducted in 12 primary schools in March 2011. Stool samples were randomly selected from 778 children and were microscopically examined using Kato-Katz and formal-ether concentration methods. Haematocrit values were measured using heparinized capillary tubes.</p>

<p><strong>RESULTS: </strong>The overall prevalence of intestinal helminths was 51.5% (rural = 68.3%, urban = 36.2%). Hookworm spp., Schistosoma mansoni and Schistosoma stercoralis were more prevalent in rural schools, whereas Hymenolepis nana was higher in urban schools (p = 0.0001). With regard to haematocrit, 34% of rural and 21.7% of urban schoolchildren had haematocrit values below the median (40.5%) (p=0.001). Hookworm spp. and S. mansoni infected children had lower haematocrit values than non-infected children (p = 0.001). Lack of footwear was positively associated with intestinal helminths infection in rural schools [OR = 2.5 (95% CI: 1.5-4.1)], and having dirty fingernails and untrimmed fingernails were positively associated with the prevalence of intestinal helminths in urban samples [OR = 1.58 (95% CI: 1.03-2.5)].</p>

<p><strong>CONCLUSION: </strong>The prevalence of soil-transmitted helminths and S. mansoni differs by geographical area of the schools and social determinants. Primary school de-worming and health education on proper hygiene are recommended.</p>
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