The prevalence of Strongyloides stercoralis infection in rural population of Bali: A preliminary study

A cross-sectional study was carried out from March until September 1992 in 4 different geo-climatic ruraL villages in Bali to assess the prevalence of Strongyloides stercoralis infection relate! to age, gender and geo-cLimatic condition. The number of selected samples using multistage stratified random sampling based on age and gender was 2880. Strongyloides larvae in stool samples were identffied by modifiqd Harada Mori fecal culture technique. The resuLts showed that the overal.l prevaLence of StrongyLoides infectiort was 1.6Vo; the prevalence in male was L2Vo and in female was 2.1Vo, however the gender dffirence was not statisticrtlLy significant. In term of age, there was no statistically significant difference. The highest prevalence (2.4Vo) was found among 7-12 ycars chiLdren, followed by aged 7 years or less (l.6Vo), I8 years or over (l.6Val, and t3-18 years (0.6Vo). The prevalence of Strongyloides infectiott related tc, geo-cLimatic conditions was significantly dffirence. The highest prevalence of Strongyloides infection was at wet highlantl (3.3Vo), followed by wet lowland (1.5Vo), dry highland (I.)Vo), and dry lowland (0.9Vo). In conclusion, the prevalence of Strongyloides stercoral.is infection in Baliwas very Low prevalence of Strongyloides infectionwas highLy related to geo-climatic type of area, but not to gender and (1ge groups. (Med J Indones 2001; 10: 174-7)