Table 2 Comparison of Vitamin D, FBG, FBI, HOMA-IR, Depression score and OGTT between study groups

Vitamin D level

Before intervention

14.86 (5.90)

14.50 (9.52 to 18.47)

17.50 (6.65)

17.20 (12.07 to 22.92)

0.065•

After intervention

32.17 (13.20)

30.40 (25.00 to 35.00)

26.51 (9.99)

25.70 (17.75 to 32.30)

0.002•

FBG

Before intervention

87.09 (7.63)

87.00 (83.00 to 92.75)

87.36 (10.26)

87.00 (83.00 to 92.75)

0.888*

After intervention

81.97 (8.90)

81.00 (77.00 to 85.00)

82.37 (8.46)

82.00 (75.50 to 87.00)

0.850^†

FBI

Before intervention

6.38 (3.63)

5.69 (3.80 to 8.50)

8.63 (7.58)

7.70 (4.17 to 10.35)

0.160•

After intervention

7.24 (5.11)

6.19 (3.83 to 9.14)

8.55 (5.97)

7.04 (4.68 to 10.10)

0.672*

HOMA-IR

Before intervention

24.43 (13.75)

21.41 (14.69 to 33.60)

33.87 (29.97)

26.61 (16.23 to 42.88)

0.148•

After intervention

27.29 (26.63)

21.01 (12.94 to 33.34)

29.85 (23.90)

22.62 (14.13 to 35.90)

0.637•

OGTT (60 min)

After intervention

133.28 (22.74)

130.50 (115.00 to 150.00)

127.31 (31.57)

117.00 (100.00 to 152.00)

0.354*

OGTT (120 min)

After intervention

110.18 (18.58)

111.00 (95.00 to 123.00)

107.80 (24.47)

106.00 (89.00 to 126.00)

0.639*

Depression score

Before intervention

9.11 (5.16)

8.00 (5.00 to 13.00)

8.88 (4.29)

8.00 (5.25 to 12.00)

0.822*

After intervention

8.62 (6.47)

7.00 (4.00 to 12.00)

8.87 (5.07)

8.50 (5.00 to 12.00)

0.404•