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This study investigates associations between after-school tutoring and availability of electronic devices with overweight/obesity among fifth-grade children in Ho Chi Minh City, Vietnam. A complex cross-sectional design was used to randomly select students and their parents in 8 public schools in Ho Chi Minh City in 2016. Students were categorized as overweight/obesity if their body mass index z score +1 using the World Health Organization reference. Parents self-reported child's attendance in after-school tutoring and availability of
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