| Univariate analysis | Multivariate analysis | |
|---|---|---|
| Percentage or mean difference (95% CI) | Odds ratio (95% CI) | |
| Recommendations | ||
| Age, years | 3.63 (0.65 to 6.60) | 0.97 (0.94 to 1.00) |
| Female | 84.0 | Reference category |
| Male | 91.9 | 0.82 (0.38 to 1.75) |
| Haemoglobin ≥11.8 g/dl | 90.4 | Reference category |
| Haemoglobin <11.8 g/dl | 86.6 | 0.47 (0.21 to 1.03) |
| Ferritin >324 μg/l | 92.5 | Reference category |
| Ferritin ≤324 μg/l | 84.3 | 2.46 (1.33 to 4.52) |
| Oral iron supplementation | ||
| Age, years | -1.29 (-5.05 to 2.47) | 1.00 (0.97 to 1.04) |
| Female | 15.1 | Reference category |
| Male | 11.5 | 2.00 (0.83 to 4.83) |
| Haemoglobin ≥11.8 g/dl | 6.4 | Reference category |
| Haemoglobin <11.8 g/dl | 19.0 | 4.97 (1.82 to 13.62) |
| Ferritin >324 μg/l | 8.3 | Reference category |
| Ferritin ≤324 μg/l | 17.9 | 2.30 (1.06 to 4.99) |
CI = confidence interval