Conclusions In this study, 3 factors related to the host, 5 factors related to the agent and 2 factors related to the environment were identified as predictive of overweight status. The host factors were: being male; food responsiveness behavior; and, enjoyment of food behavior. The agent factors included watching television more than 2 hours a day on weekdays and eating high—fiber, non-sweet fruit less often, but drinking yogurt more often. In addition, environmental factors that related to preschool overweight included the mother’s BMI and low-pressure feeding practices. Limited research on this topic has been reported in Thai nursing publications. Therefore, results of this study Could be used as baseline information for further research to increase nurses’