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Number of student responses by type, HKBC question, and time point. ‘5210′ = 5210 guidelines taught in L4L; ‘Eating Healthy’ = e.g., eating more fruits/vegetables, balanced meals; ‘Exercising’ = e.g., going for a walk/run, active for at least one hour/day; ‘Screen Time’ = e.g., no screens before bedtime; ‘Sleeping’ = e.g., sleeping 9–11 h/night.
