Fig. 2

The interaction between BDNF Val66Met genotypes and quartiles of healthy eating diet (HEI) on: A body mass index (BMI), B waist circumference (WC), C pentraxins (PTX), D prostaglandin F2 Alpha (PGF2) E leptin mean, F high-density lipoprotein (HDL) mean and standard error. P values for the interaction obtained in two models using ANCOVA. P*: unadjusted; P**: adjusted for age, sexuality, smoking, alcohol consumption and physical activity