Table 3 The sex-BMI-stratified coefficients of PA on BF% among middle-aged Chinese adults in 2015

−0.075

− 0.150^*

− 0.105^*

− 0.085^*

− 0.111^*

− 0.079

− 0.084^*

− 0.103^*

− 0.068^*

− 0.034

−0.004

− 0.027

− 0.060^*

− 0.079^*

− 0.091^*

− 0.101

− 0.069^*

− 0.045^*

− 0.002

− 0.054

0.020

0.003

− 0.032

− 0.079^*

− 0.110^*

− 0.098

− 0.071^*

−0.032

0.014

−0.052

−0.119^*

− 0.110^*

− 0.081^*

− 0.077^*

− 0.082^*

− 0.061

− 0.043

−0.049^*

− 0.082^*

− 0.123^*

0.011

−0.049^*

− 0.059^*

− 0.044

− 0.063^*

− 0.002

− 0.021^*

− 0.035^*

−0.032^*

− 0.031^*

0.046

−0.046^*

− 0.073^*

− 0.057^*

− 0.098^*

− 0.006

−0.023

− 0.035^*

−0.039^*

− 0.037^*

− 0.133^*

− 0.181^*

− 0.130^*

− 0.127^*

− 0.152^*

− 0.135^*

− 0.157^*

− 0.124^*

− 0.078^*

0.031

−0.054

− 0.044^*

− 0.086^*

− 0.098^*

− 0.137^*

− 0.128

− 0.078

− 0.061^*

0.007

− 0.018

0.004

− 0.029

− 0.100^*

− 0.104^*

− 0.173^*

− 0.138

− 0.076

− 0.054

0.020

− 0.020

−0.076

−0.131^*

− 0.115^*

−0.109^*

− 0.104^*

−0.127

− 0.060

−0.065^*

− 0.114^*

−0.138^*

−0.116^*

−0.097^*

− 0.067^*

−0.071^*

− 0.081^*

−0.046

− 0.038

−0.056^*

− 0.047^*

−0.055^*

−0.039

−0.124^*

− 0.108^*

−0.079^*

− 0.083

−0.040

− 0.036

−0.059^*

− 0.050^*

−0.053^*