Table 1.
Mean miles and minutes to nearest obstetric hospital by census tract
| Births N | Mean distance miles (SD) | Mean time minutes (SD) | |
|---|---|---|---|
| US Census tracts | 3,991,060 | 8.3 (9.0) | 14.1 (21.8) |
| MCD Designation | |||
| Maternity care desert | 145,146 | 28.1 (21.2) | 36.5 (102.3) |
| Limited access | 248,347 | 14.2 (10.8) | 20.1 (11.8) |
| Full access | 3,597,567 | 7.1 (6.6) | 12.7 (8.5) |
| Rurality | |||
| Urban | 3,785,735 | 7.8 (7.4) | 13.5 (8.6) |
| Rural | 205,325 | 17.3 (21.9) | 24.6 (88.1) |
| Metropolitan Residence | |||
| Nonmetro | 536,349 | 16.0 (16.8) | 22.3 (55.6) |
| Metro | 3,454,711 | 7.1 (6.3) | 12.8 (7.5) |
| Predominant race/ethnicity | |||
| White | 2,763,765 | 9.2 (8.8) | 15.0 (11.0) |
| Hispanic | 713,750 | 6.1 (6.7) | 11.3 (7.5) |
| Black | 406,972 | 6.3 (6.5) | 11.9 (7.4) |
| Asian | 92,886 | 5.2 (18.3) | 12.5 (107.7) |
| AIAN | 9,772 | 27.7 (41.3) | 45.9 (203.3) |
| Multiracial | 1,967 | 12.8 (10.8) | 23.4 (18.5) |
| NH/PI | 1,360 | 17.2 (10.5) | 26.4 (14.2) |
| Travel Time to Closest Obstetric Care (%) | |||
| <=15 minutes | 2,692,070 | - | 67.5% |
| <=30 minutes | 3,736,131 | - | 93.6% |
| <=45 minutes | 3,933,929 | - | 98.6% |
| <=60 minutes | 3,977,229 | - | 99.7% |