Association of Weight Control Behaviors with Body Mass Index in Korean Adolescents: A Quantile Regression Approach.

•Quantile regression analysis revealed differences among BMI percentile groups.•In underweight adolescents, milk consumption was positively associated with BMI.•In overweight adolescents, three meals/day were positively associated with BMI.•Muscle exercise was negatively associated with BMI in overweight adolescents.•Moderate-to-vigorous physical activity negatively related to overweight BMI.