Table 1 Clinical and biological characteristics of the participants at baseline

Age (y)

41.9 ± 7.77

41.75 ± 7.88

40.42 ± 8.03

40.26 ± 8.25

43.47 ± 7.21

43.19 ± 7.25

p-value*

0.87

0.9

0.82

Sex

Male

64 (47.8%)

68 (48.6%)

34 (49.3%)

36 (52.2%)

30 (46.2%)

32 (45.1%)

Female

70 (52.2%)

72 (51.4%)

35 (50.7%)

33 (47.8%)

35 (53.8%)

39 (54.9%)

p-value*

0.49

0.43

0.51

Serum 25(OH)D (ng/mL)

14.75 ± 5.18

14.97 ± 5.07

14.71 ± 5.54

13.66 ± 5.68

14.8 ± 4.8

15.47 ± 3.92

p-value*

0.72

0.35

0.055