Multivariate regression analysis standardized ß coefficients (SE) for leptin concentration in Chinese adults in the 2006 CHNS study, Jiangsu.

Analysis was performed on log-transformed leptin concentration and HOMA-IR due to non-normality distribution.aModel 1, BMI, waist circumference and triceps skinfold were put into the model separately, only information on the three adiposity measures was shown.bModel 2, all independent variables in the table were put into the model simultaneously; Gender (0 women, 1 men); Smoking (0 no, 1 yes); Energy*smoking, interaction term between total energy intake (kcal/d, quintile) and smoking (yes/no); Model R2 = 0.69.