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Body mass index

Body mass index.

noble-sexton
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Body mass index

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  1. Body mass index • BMI(Body mass index) 又稱 Kaup index 或 Quetelet index中文名稱 身體質量指數BMI是一種可以簡便評估身體營養狀態的指標優點:1. 與體脂肪比有很好的正相關2. 與身高相關性低 (與骨架大小關係小的意思)3. 死亡率相關性好 (J型曲線 <--註)4. 慢性病罹患率相關性好5. 成年人 未懷孕婦女 青少年 兒童均適用註: J型曲線縱軸為死亡率 橫軸為BMI的座標圖中，曲線形狀呈現類似英文字母"J"的形狀，曲線下凹的位置(死亡率最低的部分)BMI介於18.5~24左右，隨著BMI從18.5越來越低 或BMI從24越來越高，死亡率都跟著飆升。

  2. 缺點: 可能會把肌肉化的人(如運動員)歸為肥胖者計算方法: BMI = 體重(kg) / 身高平方(m平方)成人標準值(行政院衛生署訂):Under weight(過輕) BMI < 18.5Normal(正常) 18.5 =< BMI < 24Over weight(過重) 24 =< BMI < 27Obesity(肥胖)(輕) 27 =< BMI < 30Obesity(肥胖)(中) 30 =< BMI <35Obesity(肥胖)(重) 35 =< BMI以上數值僅適用於"成年人"(小孩並不合用) 資料來源：http://tw.knowledge.yahoo.com/question/question?qid=1206052514908

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