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Study cohort characteristics.
| Variable | n | Median | Percentile (5th, 95th) | |
|---|---|---|---|---|
| n = 686 CHILDREN (360 BOYS AND 326 GIRLS) | ||||
| Age | 686 | 12 | 11, 14 | |
| BMI | 643 | 19.9 | 15.6, 29.2 | |
| Blood Mn (μg/L) | 681 | 10.9 | 6.5, 17.0 | |
| Blood Pb (μg/L) | 681 | 13.3 | 7.2, 32.0 | |
| Ferritin (ng/mL) | 683 | 27.0 | 8.0, 70.0 | |
| Mn in soil (ppm) | 666 | 706 | 267, 1898 | |
| MAF rs1776029 (G/A) | 676 | 22% | ||
| MAF rs2275707 (A/C) | 685 | 22% | ||
| MAF rs12064812 (T/C) | 685 | 31% | ||
| MAF rs13107325 (C/T) | 682 | 9% | ||
MAF, minor allele frequency; ppm, parts per million.
