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Number of metabolites associated with age, sex, and weight for each location individually. Models were run with 6789 and 6614 metabolites in the positive and negative ion modes, respectively
| Column | Location | Age | Sex | Weight |
|---|---|---|---|---|
| Hilic positive | Birmingham | 930 | 0 | 106 |
| Columbia | 0 | 0 | 0 | |
| San Antonio | 26 | 4 | 101 | |
| C18 negative | Birmingham | 1474 | 0 | 90 |
| Columbia | 0 | 0 | 0 | |
| San Antonio | 13 | 45 | 21 |
