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Logistic regression odds ratios for ALS risk by nail Hg level calculated from spline model
| Percentile | Hg (μg/g) | Multivariable* Odds Ratio | (95% CI) |
|---|---|---|---|
| 25th vs. 5th | 0.041 vs. 0.016 | 0.53 | (0.37–0.76) |
| 75th vs. 25th | 0.21 vs. 0.041 | 0.8 | (0.55–1.15) |
| 90th vs. 75th | 0.38 vs. 0.2 | 1.54 | (1.07–2.22) |
Adjusted for age, smoking status.
