The distribution and 'desirable value' of body mass index (BMI) in l5897 middle and old-aged(over 35 years) Shanghai urban residents were studied and discussed.The results showed that the mortality curve confo...The distribution and 'desirable value' of body mass index (BMI) in l5897 middle and old-aged(over 35 years) Shanghai urban residents were studied and discussed.The results showed that the mortality curve conforms with the quadratic model(Y=a-bX-cX2) in di展开更多
文摘The distribution and 'desirable value' of body mass index (BMI) in l5897 middle and old-aged(over 35 years) Shanghai urban residents were studied and discussed.The results showed that the mortality curve conforms with the quadratic model(Y=a-bX-cX2) in di