Table 3 Comparison between women with and without vertebral fractures (N = 429)

Age in years: m (SD)

56.1 (7.9)

60.1 (7.9)

64.7 (7.7)

<0.0001

Weight in Kg: m (SD)

76.0 (10.1)

75.3 (9.8)

70.9 (8.3)

<0.0001

Height in m: m (SD)

1.57 (0.08)

1.55 (0.05)

1.56 (0.05)

<0.0001

BMI in Kg/m²: m (SD)

30.0 (1.5)

30.2 (1.3)

28.8 (1.4)

<0.0001

Low dairy products intake: n (%)

99 (54.6)

72 (42.1)

39 (51.3)

NS

Low physical activity: n (%)

165 (91.1)

148 (86.5)

72 (91.1)

NS

History of traumatic fractures: n (%)

22 (12.2)

22 (12.9)

13 (17.1)

NS

Years since menopause: m (SD)

6.8 (8.8)

10.4 (9.3)

16.6 (8.3)

<0.0001

Number of pregnancies: m (SD)

4.5 (2.7)

4.8 (2.5)

5.5 (2.3)

0.015

Spine BMD in g/cm²: m (SD)

0.987 (0.2)

0.923 (0.1)

0.846 (0.2)

0.025

Spine T-score: m (SD)

−1.1 (1.3)

−1.3 (1.2)

−1.5 (1.3)

0.049

Total hip BMD in g/cm²: m (SD)

0.921 (0.2)

0.850 (0.5)

0.801 (0.4)

0.011

Total hip T-score: m (SD)

−0.7 (1.1)

−1.0 (1.0)

−1.2 (1.1)

0.004

Osteoporosis any site : n (%)

25 (13.8)

42 (24.4)

23 (30.3)

<0.0001

Vitamin D in ng/mL : m (SD)

16.2 (9.1)

14.2 (11.6)

11.5 (13.2)

0.02

Vitamin D ≤ 20 ng/mL: n (%)

133 (73.5)

130 (75.6)

72 (94.7)

0.001

Vitamin D ≤ 10 ng/mL: n (%)

12 (34.3)

59 (57.3)

29 (65.9)

0.006