Table 1

 Results of multiple linear regression of the natural logarithm of relative risks/odds ratios of seven studies57,64,66,68–71 on body mass index (BMI) group, female sex, and the interaction of BMI group and female sex

VariableCoefficientStandard
>error
Tp Value
r2 =  0.57; F = 0.57; regression degrees of freedom = 3; residual degrees of freedom = 40; p = 2.08×10−7.
The regression equation for men is:
ln(relative risk/odds ratio)  =  −0.26 + 0.19 × BMI group.
The regression equation for women is:
ln(relative risk/odds ratio)  =  0.12 + 0.06 × BMI group.
Intercept−0.26
BMI group0.190.0286.675.47×10−8
Female sex0.380.142.610.0097
BMI group×female sex−0.1290.043.380.002