Hand washing behavior using soap and not using soap on the incidence of ascariasis in children in grades 1-3 at Simokerto Elementary School

Ascaris lumbricoides is known as roundworm which is a type of Soil Transmissive Helminths (STH), a worm that requires soil media in its development process to become infective. Ascaris lumbricoides is a type of parasitic nematode that attacks many living creatures, especially humans. This research uses an observational method with a cross-sectional study approach, the sampling technique uses a purposive sampling technique. The samples used were 42 feces samples from children in grades 1-3. Data analysis used the Wilcoxon method. Respondents based on age 7 years were 16 (38%), respondents aged 8 years were 13 people (31%), respondents aged 9 years were 6 people (14%) and aged 7 years (17%). Respondents based on class were 14/42 (33.33%), class 1 respondents were 14/42 (33.3%), class 3 respondents were 14/42 (33.3%). Answers by gender is 22/42 (52.3%) of respondents were men and 20/42 (47.6%) were women. From the research results it can be concluded that there is no relationship between washing hands with soap and not using soap on the incidence of ascariasis.