Table 4.
Factors associated with severe vitamin D deficiency (vitamin D level <25 nmol/L) among TB patients and community controls, Northwest Ethiopia (n =196)
| Characteristics | Severe vitamin D deficiency | |||
|---|---|---|---|---|
| Yes n(%) | No n(%) | CORa (95% CI) | AORb (95% CI) | |
| Sex | ||||
| Male | 59(45) | 72(55) | 1.02(0.56–1.85) | |
| Female | 29(44.6) | 36(55.4) | 1 | |
| Age | ||||
| <18 | 13(59.1) | 9(40.9) | 1 | |
| 18–30 | 45(38.8) | 71(61.2) | 2.27(0.90–5.76) | |
| 31–50 | 24(50) | 24(50) | 1.44(0.52–4.01) | |
| >50 | 6(60) | 4(40) | 09.6(0.214.42) | |
| BMI | ||||
| <18.5 | 56(55.6) | 43(43.4) | 2.7(1.48–4.73)* | 2.13(1.02–3.28)* |
| >18.5 | 32(33) | 65(67) | 1 | 1 |
| TB status | ||||
| TB positive | 67(53.2) | 59(46.8) | 2.5(1.36–4.52)* | 1.93(1.06–2.86) * |
| TB negative | 21(30) | 49(70) | 1 | 1 |
| Smoking | ||||
| Yes | 19(59.4) | 13(40.6) | 0.48(0.08–2.8) | |
| No | 69(42.1) | 95(57.9) | 1 | |
| Residence | ||||
| Urban | 69(60.5) | 45(39.5) | 0.194(0.05–0.8)* | 11.3(0.83–153.5) |
| Rural | 19(23.2) | 63(76.8) | 1 | 1 |
BMI body mass index
Three variables namely, BMI being positive for TB and residence, with a p-values of <0.2 in the bivariate analysis were entered to a multivariable binary logistic regression analysis
*P < 0.05
aCrude Odds Ratio
bAdjusted Odds Ratio