The Prevalence of Intestinal Bacteria due to Hand Washing Habit and Snacking among Elementary School in Surabaya

Elementary school age is the age which child really loved to play and to buy snacks at school. Therefor, there are so many health problems could treaten the elementary school aged children. The objectives of this study are to calculate the prevalence of intestinal bacteria on the elementary school aged children and to descriptive the intestinal bacteria whereabout duo on children’s hand washing and snacking habit at school. A descriptive observational with cross sectional design was used. Samples are 58 students at Elementary school in Wonokromo District,Surabaya. Data were collected using uestionnaire and by examining the feces which taken and brought at the morning as requested. Laboratory testing was done to identify instestinal bacteria in feces.The results showed that prevalence of the intestinal bacteria in the elementary school aged children is 6.89%. The types of bacteria which found are Escherichia coli O157:H7 and Shigella flexeneri. The prevalence of intestinal bacteria on children who always wash their hand is 4.2% and 13.6% founded in them who do it occasionally. The prevalence of intestinal bacteria on children who loved to buy snack at school is 6.9%. The result showed that there are only 3 children who didn’t buy any snack at school