Table 4. Association between racial inequity in SES and infant mortality rate (IMR) by urban-rural classification.
| Large central metro | Large fringe metro | Medium metro | Small metro | |
| β (SE) | β (SE) | β (SE) | β (SE) | |
| Black IMR | ||||
| Median income | 2.18 (5.07) | -4.71 (4.76) | 1.63 (5.13) | 4.33 (9.49) |
| College graduation | 5.56 (4.49) | 7.92 (3.26) a | -1.06 (3.31) | -2.19 (5.33) |
| Unemployment | .33 (.99) | .08 (.93) | 1.21 (.90) | -2.03 (1.25) |
| Homeownership | 5.64 (3.09) | 7.34 (3.69) | 10.84 (4.25) a | 21.23 (4.99)a |
| White IMR | ||||
| Median income | -.42 (1.77) | 2.02 (1.79) | 1.65 (1.11) | 3.69 (2.58) |
| College graduation | -2.41 (1.56) | -.78 (1.15) | -2.38 (.75)* | -2.20 (1.69) |
| Unemployment | -.06 (.33) | -.19 (.29) | -.29 (.21) | -.41 (.25) |
| Homeownership | 1.48 (1.08) | .76 (1.37) | .33 (1.21) | -.65 (1.64) |
| Black-White IMR ratio | ||||
| Median income | 2.22 (1.72) | .22 (1.56) | 1.32 (1.33) | 2.29 (2.17) |
| College graduation | 2.63 (1.52) | 1.90 (1.00) | 2.32 (.91)a | -.23 (1.43) |
| Unemployment | -.08 (.32) | .11 (.26) | .75 (.25)a | -.09 (.21) |
| Homeownership | .18 (1.05) | 2.32 (1.19) | 1.81 (1.46) | 3.90 (1.39)a |
Sources: 2019 County Health Rankings, including data from the 2011-2017 CDC WONDER and American Community Survey, 2014 5-Year ACS estimates.
a. P<.05. Adjusted for population size, % Black, Dissimilarity Index, median income, college graduation, unemployment and homeownership rates.