Table 5

Prediction equation for body density using multi-measurement of subcutaneous fat thickness and hip circumference

Sumo groupControl group
SEE, Standard error of estimate.
Simple regression equation
    Nine sitesy = 1.088 − 0.00036× (r2 = 0.90)y = 1.083 − 0.00033× (r2 = 0.91)
    Six sitesy = 1.084 − 0.00042× (r2 = 0.90)y = 1.079 − 0.00036× (r2 = 0.90)
    Abdomeny = 1.074 − 0.00087× (r2 = 0.88)y = 1.071 − 0.00080× (r2 = 0.88)
Abe’s equation for non-athletic men of normal weight
    Nine sitesy = 1.090 − 0.00050× (r2 = 0.79)
    Six sitesy = 1.087 − 0.00056× (r2 = 0.78)
    Abdomeny = 1.078 − 0.00112× (r2 = 0.76)
Multiple regression equation
    Sumo groupy = 1.121 − 0.00038 × (fat thickness of abdomen) − 0.00043 × (circumference of hip) − 0.00142 × (fat thickness of triceps) 
 (R2 = 0.94; SEE 0.0045)
    Control groupy = 1.076 − 0.00070 × (fat thickness of abdomen) − 0.00140 × (fat thickness of tibialis) (R2 = 0.91; SEE 0.0034)
Abe’s equation for non-athletic men of normal weight
y = 1.091 − 0.00065 × (fat thickness of abdomen) − 0.0029 × (fat thickness of quadriceps) − 0.0010 × (fat thickness of subscapula) (R2 = 0.824)