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Effect modification of ethnicity on the association between race and orthodontic service use with logistic regression
| Race by ethnic subgroups | Beta coefficient | Odds ratio (95% CI) | P value |
|---|---|---|---|
| Non-Hispanic white | Reference | Reference | |
| Hispanic nonwhite | 0.347 | 1.42 (1.18, 1.70) | <0.001 |
| Hispanic white | –0.046 | 0.95 (0.65,1.41) | 0.82 |
| Non-Hispanic nonwhite | –0.081 | 0.92 (0.75, 1.14) | 0.45 |
