TABLE 1—
Relation Between Medicaid Reimbursement Rate in 2013 and Access to Dental Care in US States in 2014, as Moderated by Dentist Density and Dentist Participation in Medicaid in 2014
| 2014 Dentist Density | 2014 Dentists Participating in Medicaid, % | 2013 Reimbursement Rate, % | No. of States | States | 2014 Observed Access Rate, % | Difference in Observed Access Rate From High Reimbursement Rate States, % | Predicted Access Rate if Low Reimbursement Rate States Had High Reimbursement Rates, %a | Difference in Predicted Access Rate From Observed Access Rate, %a | Predicted No. of Additional Children With Access With High Reimbursement Rates |
| Low | Low | Low (41) | 10 | FL, KS, KY, ME, MO, NC, NV, OH, RI, WI | 40.2 | −9.1 | 51.9 | 11.7 | 1 048 724 |
| Low | High | Low (45) | 3 | IA, ID, MS | 51.0 | . . . | . . . | . . . | . . . |
| High | Low | Low (39) | 9 | CA, HI, IL, MD, NH, NY, OR, VA, WA | 50.2 | −3.9 | 54.8 | 4.6 | 506 442 |
| High | High | Low (39) | 6 | CO, MI, MN, NE, PA, UT | 45.7 | −2.5 | 48.0 | 2.3 | 299 807 |
Note. High = above the mean; low = below the mean.
a
Access rate predicted with linear regression estimating effect of 3-way interaction of reimbursement rate, dentist density, and Medicaid dentists on access rate while controlling for median household income and an oral health index.