Table 1. Mean, standard deviation of baseline characteristics among two intervention and placebo groups before intervention .

Variable	Category	Group		p
		Vitamin D (N=42)	Placebo (N=43)
Age (Y)	-	50.36 (10.2)	5.05 (10.7)	0.892*
Weight (kg)	-	77.38 (10.9)	79.27 (11.6)	0.442*
Height (cm)	-	159.35 (8.0)	158.77 (7.6)	0.736*
BMI	-	30.43 (3.2)	31.37 (3.4)	0.194*
Disease period (months)	-	65.52 (38.5)	67.02 (35.4)	0.664*
Medication & daily dose	Metformin (500 mg)	2.11 (1.13)	2.51 (1.26)	0.135*
	Glibenclamide (5mg)	1.31 (0.94)	0.95 (0.78)
Sex	Male	7.00 (16.7)	8.00 (18.6)	0.815**
	Female	35.00 (83.3)	35.00 (81.4)
employment	Unemployed	32.00 (76.2)	32.00 (74.4)	0.850**
	Employed	10.00 (23.8)	11.00 (25.6)

Y: Year, kg: Kilo gram, cm: centimeter, BMI: Body Mass Index, mg: milligram, * Independent t-test, **Chi-squaretest