| | | Model 5: addition of race × income interactions | Model 6: addition of race × age interaction | Model 7: addition of age × income interactions | Model 8: addition of race × income × age interactions |
| | Intercept | 0.10 (0.10, 0.11) | 0.11 (0.10, 0.11) | 0.11 (0.10, 0.11) | 0.10 (0.10, 0.11) | | African-American (AA) | 1.49 (1.29, 1.71) | 1.33 (1.17, 1.51) | | 1.40 (1.23, 1.60) | | White (referent group) | — | — | | — | | Low income | 1.13 (0.98, 1.31) | | 1.10 (0.95, 1.27) | 1.13 (0.99, 1.29) | | Middle income | 1.05 (0.92, 1.18) | | 1.02 (0.90, 1.15) | 1.05 (0.93, 1.17) | | High income (referent group) | — | | — | — | | AA × low income | 0.50 (0.33, 0.74) | | | 0.50 (0.35, 0.72) | | AA × middle income | 0.59 (0.43, 0.82) | | | 0.61 (0.45, 0.89) | | Age <17 | | 0.97 (0.78, 1.21) | 1.14 (0.97, 1.36) | 0.94 (0.75, 1.19) | | Age 17–19 (referent group) | | — | — | — | | AA status × Age <17 | | 1.31 (1.00, 1.71) | | 1.35 (0.98, 1.84) | | Age <17 × low income | | | 1.01 (0.67, 1.53) | 1.15 (0.60, 2.20) | | Age <17 × middle income | | | 1.00 (0.66, 1.49) | 1.15 (0.67, 1.97) | | AA × Age <17 × low income | | | | 0.81 (0.36, 1.83) | | AA × Age <17 × middle income | | | | 0.85 (0.40, 1.78) | | Random variance | | | | | | Intercept (SD) | 0.03 (0.17) | 0.03 (0.18) | 0.03 (0.18) | 0.04 (0.19) | | Statistics comparisons | | | | | | −2 log likelihood | 46230.62 | 45036.9 | 46329.9 | 45120.22 |
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