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Evaluating community’s knowledge on integrated malaria, schistosomiasis and soil transmitted helminth (STH) infections in a Lake Victoria island, Kenya: A mixed method approach

Background: The burden of malaria, schistosomiasis and soil transmitted helminthes (STH) in the islands of Lake Victoria, Kenya, poses a considerable public health challenge. Although many studies have been conducted on the co-infection arising from these parasites, few have evaluated communities’ knowledge of the same. Increasing the level of knowledge about a disease or preventive chemotherapy is important, but efforts need to be focused on community perception and understanding of the problem so as to encourage engagement with the proposed control measures. This study aimed at understanding a community’s knowledge of malaria, schistosomiasis and STH in Lake Victoria island where an integrated preventive chemotherapy intervention was implemented. Methods: This study was conducted in Ngodhe Island in Lake Victoria in Homa Bay County, western Kenya region between April and May 2016. The study adopted a mixed method approach where both qualitative and quantitative data collection was performed concurrently.  Results: A total of 239 people participated in this study. All the respondents reported that they had heard about malaria, 89.1% had heard about schistosomiasis while 87.4% had heard about STH. The majority of the respondents (93.3%) drew their drinking water directly from the lake and 80.3% reported bathing in the lake. Out of all the respondents, 96.2% knew about the ongoing preventive chemotherapy. Most respondents (94.1%) said they would participate in a preventive chemotherapy again, while 0.4% was not sure. The majority of the respondents (86.6%) reported that integrated strategy is the most effective approach to control the three infections in the Island. Conclusion: The findings show a very high knowledge about these diseases. Although this study found majority of the respondents are aware of the co-infection of malaria, schistosomiasis and STH, their behaviors such as bathing in the lake exacerbates the problem.