Table 2 Relationship between vitamin D level categories and patients’ baseline characteristics (n = 168)

Age (years), mean ± SD

56.18 ± 4

56.19 ± 3.4

0.99^a

Age groups in years, n (%)

 • 50–55

32 (40)

28 (31.8)

0.28^b

 • 55–60

33 (41.25)

47 (53.4)

 • ≥ 60

15 (18.75)

13 (14.7)

Marital status, n (%)

 • Married

50 (62.5)

57 (64.8)

0.27^b

 • Divorced

6 (7.5)

2 (2.2)

 • Widow

24 (30)

29 (33)

Height (m), mean ± SD

1.61 ± 0.05

1.60 ± 0.05

0.55^a

Weight (kg), mean ± SD

82.7 ± 13.3

82.4 ± 13.9

0.86^a

BMI, mean ± SD

31.7 ± 4.6

31.9 ± 5.3

0.85^a

BMI groups, n (%)

 • < 30

25 (31.25)

30 (34.1)

0.74^c

 • ≥ 30

55 (68.75)

58 (65.9)

Medical history (diabetes, hypertension, and thyroid disease), n (%)

 • Absent

58 (72.5)

62 (70.5)

0.76^b

 • Present

22 (27.5)

26 (29.5)

Parity, mean ± SD

3.6 ± 1.8

3.7 ± 1.7

0.61^a

Duration of menopause (years)

6.35 ± 5.1

5.51 ± 3.6

0.21^a

Vitamin D concentration (mean ± SD)

24.62 ± 5.06

42.37 ± 10.62

0.0001^a