Table 4 Bivariate and multivariate analysis of factors associated with the total WOMAC score
Variable | Crude B | p Value | Adjusted B | 95% CI | p Value |
|---|---|---|---|---|---|
Vitamin D | |||||
Deficient | 1 | ||||
Sufficient | 6.44 | 0.307 | 12.75 | 1.13, 24.37 | 0.032 |
Insufficient | 6.01 | 0.401 | 5.98 | − 4.94, 16.89 | 0.28 |
Age in years | 0.43 | 0.005 | 0.37 | 0.06, 0.69 | 0.019 |
Sex | |||||
Female | 1 | ||||
Male | − 9.2 | 0.107 | − 11.55 | − 22.05, − 1.06 | 0.031 |
Education | |||||
None | 1 | ||||
Primary | − 20.67 | 0.004 | − 16.18 | − 30.36, − 2.01 | 0.026 |
Secondary | − 26.53 | < 0.001 | − 18.33 | − 33.32, − 3.33 | 0.017 |
Tertiary | − 24.4 | 0.004 | − 13.46 | − 30.37, 3.45 | 0.117 |
Occupation | |||||
Employed | 1 | ||||
Unemployed | 2.87 | 0.472 | |||
Chronic diseases | |||||
No | 1 | ||||
Yes | − 3.2 | 0.466 | |||
Calcium supplementation | |||||
No | 1 | ||||
Yes | 9.68 | 0.176 | |||
Family history | |||||
No | 1 | ||||
Yes | 2.65 | 0.518 | |||
Sport | |||||
No | |||||
Yes | − 3.08 | 0.44 | |||
BMI | 0.19 | 0.551 | |||