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A cross-sectional study was undertaken to identify the prevalence of malaria infection, behavioral patterns of inhabitants and risk factors for malaria infection in a minority village in an area endemic for malaria in Vietnam. The target population were all the inhabitants of a village in Binh Phuoc Province, Vietnam. Interviews using a structured questionnaire and blood examination for malaria infection were conducted in house-to-house visits. Relationships between malaria infection and variables were examined using uni- and multivariate adjusted analysis. A total of 682 individuals from 159 households participated in both the interview and blood examinations. All households earned income through farming without forest activities at night, and the socio-economic status was generally not very low. The total prevalence of malaria infection was 6.2%, with a peak among 3- to 5-year-old children. Univariate analysis identified 3 - 5 year olds, a family size of > or =5 people, sleeping with >3 people in a bed, and living in a wooden/bamboo house as factors associated with malaria infection. Multivariate adjusted analysis after variable selection identified age 3 - 5 years old, a family size of > or =5 people and living in a wooden/bamboo house were significantly related to malaria infection. Malaria in this area can be controlled by basic activities, such as early diagnosis and treatment and prevention using bednets, since risk factors for malaria infection did not include forest activities, but were young age, living in a wooden/bamboo house and belonging to a large family. Continuous and intensive expansion of existing malaria control activities are required.