Multiple stepwise regression model analysis revealed that BMDs at various skeletal regions were dependent variables while height,weight,body mass index (BMI),BS and projective bone area(BA)were independent variables;

• 以身高、体重、体重指数(BMI)、体表面积(BS)作为自变量,以BMD作为因变量的多元逐步回归分析显示:影响后前位腰椎、髋部和前臂BMD的最重要的变量是BS。