Stunting is a chronic nutritional problem that remains a major concern in public health, particularly in Indonesia, and is influenced by various factors such as maternal knowledge and environmental sanitation conditions. Data from the working area of Bandar Pusaka Public Health Center show an increase in stunting cases from 59 cases in 2024 to 63 cases in 2025. This condition indicates that stunting remains a serious issue that requires attention; therefore, this study aims to determine the relationship between maternal knowledge and environmental sanitation with the incidence of stunting among toddlers. This study used a quantitative approach with an analytical cross-sectional design. The population consisted of 1,067 toddlers, with a sample of 91 respondents selected using proportional random sampling. The independent variables were maternal knowledge and environmental sanitation, while the dependent variable was stunting incidence. Data were collected using questionnaires and analyzed using univariate and bivariate methods with the chi-square test. The results showed that there was a significant relationship between maternal knowledge and stunting incidence (p 0000) as well as between environmental sanitation and stunting incidence (p 0018). Therefore, it can be concluded that maternal knowledge and environmental sanitation play an important role in the incidence of stunting among toddlers, indicating the need for improved health education and environmental sanitation as strategic efforts in stunting prevention.
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