Hypovitaminosis D and Its Associated Factors in North Algerian Postmenopausal Women: Results of a Cross-Sectional Study
Table 2
Results of the univariate and multivariate logistic regression models for the association of subject characteristics with vitamin D hypovitaminosis with the cutoff value of 17 ng/mL.
Characteristic
value
Modalities for OR calculation
OR (95% CI)
Univariate logistic regression
Age
0.41
Continuous
0.99 (0.96–1.02)
Duration of menopause
0.46
Continuous
0.99 (0.97–1.02)
Parity
0.75
Continuous
1.01 (0.94–1.09)
BMI
0.05
<30 kg/m2 versus ≥30 kg/m2
0.61 (0.36–1.01)
Habitat/housing
0.32
Urban versus rural
1.31 (0.76–2.26)
Education level
0.81
Education versus no education
0.82 (0.50–1.33)
Skin phototype
0.82
Dark versus light
1.13 (0.69–1.84)
Veiling
0.09
Yes or no
2.56 (0.84–7.84)
T-score spine
0.95
Continuous
0.99 (0.83–1.18)
DMO spine
0.93
Abnormal versus normal
0.98 (0.58–1.65)
T-score hip
0.19
Continuous
1.12 (0.93–1.36)
DMO hip
0.67
Abnormal versus normal
0.80 (0.49–1.31)
Multivariate logistic regression
BMI
0.02
<30 kg/m2 versus ≥30 kg/m2
1.826 (1.081–3.083)
Veiling
0.0353
Yes or no
3.526 (1.090–11.400)
Season
<0.0001
Summer versus other pooled seasons
4.159 (2.456–7.043)
value was calculated for each variable according to the Mann–Whitney test or chi-square test.