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Final Logistic Regression for Predictors of Elevated Iron Levels in the NHANES 1999–2002 Data Set
| Odds ratio | 95% CI | IRON score | |
|---|---|---|---|
| Age (year) | |||
| 20–44 | 1.00 | – | 0 |
| 45–64 | 2.24 | 1.18–4.26 | 2 |
| ≥65 | 3.21 | 1.63–6.31 | 3 |
| Gender | |||
| Male | 5.77 | 3.22–10.36 | 6 |
| Female | 1.00 | – | 0 |
| Liver condition | |||
| Yes | 3.05 | 1.17–7.93 | 3 |
| No | 1.00 | – | 0 |
| Osteoporosis | |||
| Yes | 2.68 | 1.17–6.17 | 3 |
| No | 1.00 | – | 0 |
| Thyroid disease | |||
| Yes | 2.66 | 1.03–6.85 | 3 |
| No | 1.00 | – | 0 |
