Variable

WC

WHTR

WHR

Pearson correlation

P value

Pearson correlation

P value

Pearson correlation

P value

Age

0.156**

<0.001

0.190**

<0.001

0.144**

0.003

Parity

0.0126**

0.009

0.149**

0.002

0.085

0.078

PP time

0.083

0.083

0.086

0.072

0.027

0.579

Education

0.003

0.945

-0.018

0.713

0.049

0.307

Income

0.041

0.393

0.047

0.448

0.079

0.101