Table 2:
Association of Demographic and Spermogram indicators with Serum vitamin D levels using unadjusted logistic regression
| Variable | DF Abnormal | DF normal | Odds ratio | Confidence interval 95% | p-value |
|---|---|---|---|---|---|
| Age | |||||
| ≤40 | 32(52) | 475(67) | 1 | - | - |
| >40 | 29(48) | 240(33) | 1.79 | 1.06 | 3.035 |
| Job | |||||
| Driver | 6 (9.8) | 111 (15.5) | 0.52 | 0.21 | 1.27 |
| Employee | 10 (16.4) | 148 (20.6) | 0.65 | 0.31 | 1.35 |
| Worker& Farmer | 10 (16.4) | 120 (16.7) | 0.80 | 0.39 | 1.67 |
| Other | 35 (57.4) | 338 (47.1) | - | - | - |
| BMI | |||||
| BMI<25 | 19(31.2) | 289(40) | 1 | - | - |
| 25≤BMI<30 | 30(49.2) | 308(43) | 1.48 | 0.81 | 2.69 |
| 30≤BMI | 12(19.6) | 116(17) | 1.57 | 0.74 | 3.34 |
| Smoking | |||||
| Non-smoker | 51(83.6) | 10(16.4) | 1 | - | - |
| Smoker | 580(81.3) | 134(18.7) | 0.84 | 0.42 | 1.71 |
| Vitamin D | |||||
| Sufficient (30≤Vit D) | 30(49.2) | 322(44.2) | 1 | - | - |
| Insufficient (20≤Vit D<30) | 21(34.4) | 253(34.8) | 0.89 | 0.49 | 1.59 |
| Deficient (VitD<20) | 9(14.8) | 153(21) | 0.63 | 0.29 | 1.36 |
| Concentration | |||||
| Normal | 55(91.6) | 701(96.3) | 1 | - | - |
| Abnormal | 5(8.4) | 25(3.7) | 2.54 | 0.93 | 6.91 |
| Progressive movement | |||||
| PR | 25(41) | 487(67) | 1 | - | - |
| Non PR | 35(59) | 239(33) | 2.85 | 1.66 | 4.87 |
| Morphology | |||||
| Normal | 34(56.6) | 555(76.2) | 1 | - | - |
| Abnormal | 26(43.4) | 173(23.8) | 2.45 | 1.43 | 4.20 |