肥胖是根据身体质量指数，用身高和体重计算出来的结果。

Obesity is based on the body mass index, a calculation using height and weight.

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目的用经典的双生子设计探讨遗传因素和环境因素对青少年身高、体重、体质指数(BMI)、腰围、腰臀围比值(WHR)等体型指征相关指标的影响程度。

Objective To investigate the impact of inheritance on height, weight, body mass index (BMI), waist circumference and waist-hip ratio (WHR) in adolescent by the classic twin design.

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