Analisis Spasial Kejadian Diare pada Balita Berdasarkan Faktor Risikonya di Kota Tangerang Selatan Tahun 2023

Background: South Tangerang City has experienced an increase in the prevalence of diarrhea in children under five years old over the past three years. In 2023, South Tangerang City prevalence of the incidence of diarrhea in under five years old 17,68%. Purpose: This study aims to determine the distribution of diarrhea incidence in children under five years old based on risk factors through a spatial analysis approach in South Tangerang City in 2023. Methods: This study employs a quantitative, descriptive approach with an ecological design. The study was conducted from November 1, 2024, to July 31, 2025. The population and sample of this study consist of all seven sub-districts in South Tangerang City in 2023, using a total sampling technique. The variables studied included diarrhea incidence in children under five years old, population density, safe sanitation access, supervised drinking water facilities according to standards, and vitamin A supplementation coverage. Secondary data was obtained from the Health Department and the Central Statistics Agency of South Tangerang City in 2023. Results: The study results showed that in 2023, Pamulang Subdistrict had the highest number of diarrhea incidences in children under five years old. The area is also known to have a very high population density, safe sanitation access that is still below the national target, the percentage of supervised drinking water facilities and vitamin A coverage that has reached the national target. Conclusion: Most subdistricts in South Tangerang City in 2023 have high and low rates of diarrhea in children under five years old, and safe sanitation access is still below the national target.