Diarrhea is still one of the main public health problems in Indonesia. The incidence of diarrhea in Jayapura Regency in 2017 increased by
4,265 cases and in 2018 with 4,984 cases (4.49%) treated Objective: To determine the risk factors associated with the incidence of diarrhea in toddlers aged 1-3 years in Doyo Lama Village, Waibu District, Jayapura Regency. Research Methods : Analytical descriptive
research using cross sectional design Results and Discussion : There
is a relationship between hand washing habits (p=0.000), environmental status (p=0.000) with the incidence of diarrhea and giving MP-ASI (p=0,360), respondents' income, is not related to the incidence of diarrhea with the value of the Kruskal Wallis P test result
of (p= 0.2480) in toddlers aged 1-3 in Doyo Lama Village, Waibu District, Jayapura Regency. Conclusions and Suggestions : To mothers who have toddlers to pay more attention to the use of clean
water, get used to washing hands with soap and running water, give
MP-ASI on time, and maintain a clean environment that meets health requirements.