Introduction: Skin diseases are among the most common public health problems in coastal areas, including among the Bajo community in Baliara Village, West Kabaena Subdistrict, Bombana Regency. The community’s close interaction with the marine environment, limited implementation of personal hygiene, and inadequate sanitation conditions increase the risk of skin diseases. This study aimed to analyze the relationship between the level of knowledge, attitudes, personal hygiene practices, and environmental sanitation with the incidence of skin diseases among the Bajo people. Method: This research employed a quantitative analytic design with a cross-sectional approach. A total of 330 respondents were selected using purposive sampling. Data were collected using a structured questionnaire and analyzed using the Spearman Rank test and logistic regression. Result: The results showed a significant relationship between all independent variables and the incidence of skin diseases, namely knowledge (p = 0.001; OR = 2.31), attitude (p = 0.005; OR = 1.92), personal hygiene practices (p = 0.041; OR = 1.67), and environmental sanitation (p = 0.000; OR = 2.86). Among all variables, environmental sanitation was the most dominant factor. Conclusion: The study concludes that personal hygiene behavior and environmental sanitation play a crucial role in preventing skin diseases. Therefore, public health interventions involving education, behavior change, and improvement of sanitation infrastructure are essential to reduce the incidence of skin diseases in coastal communities.
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