Table 4.

Estimated regression coefficient for the Center for Epidemiologic Studies Depression Scale

Variables	Regression coefficient	P
Constant	18.565	0.000**
Age	1.23	0.013*
Gender	4.492	0.041*
Locality	3.898	0.021*
BMI (kg/m2)	1.133	0.018*
FBS (mg/dl)	1.114	0.045*
Number of included variables	5
R 2	0.058
R2 adjusted for confounders	0.049	-

Statistical test=Multiple linear regression analysis applied; P significant as *<0.05, **0.01. BMI=Body mass index, FBS=Fasting blood sugar