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| Hispanic | Caucasian | African American | Asian | Other | P value | |
| Total study cohort | 4576 | 1725 | 1518 | 807 | 662 | |
| Percentage income below the poverty level | 22.3% | 9.1% | 20.3% | 13.6% | 14.4% | P= 0.023 |
| English proficiency | 5.2% | 87.2% | 85.6% | 79.2% | 64.2% | P= 0.011 |
| Percentage graduated high school | 54.2% | 85.7% | 83.1% | 80.1 % | 75.5% | P= 0.012 |
