In short, body weight and body fat mass may not scale to height by the same power. This power may vary by population; and short and tall subjects with equal BMI scores, from the same population, may have a different body composition.
总之，体重和体脂含量与身高之比可能得不出同样的次方数。不同人群的次方数可能有所差别；来自同一群体且体重指数相同的高个和矮个受试者可能有不同的身体结构。