Table 1.
Demographic characteristics of individuals represented by data core records
| Regional newborn billing records, N (%) | Delivery hospital infant medical records, N (%) | Delivery hospital maternal medical records, N (%) | |
|---|---|---|---|
| Race | |||
| Black | 8,651 (12.5%) | 3,227 (44.3%) | 3,062 (43.1%) |
| White | 27,090 (39.1%) | 2,532 (34.7%) | 2,652 (37.3%) |
| Other | 3,920 (5.7% | 484 (6.6%) | 676 (9.5%) |
| Multiracial | 3,777 (5.5%) | 167 (2.3%) | 74 (1.0%) |
| Missing race | 25,873 (37.3%) | 909 (12.5%) | 745 (10.5%) |
| Ethnicity | |||
| Hispanic | 3,005 (4.3%) | 882 (12.1%) | 817 (11.5%) |
| Non-Hispanic | 54,323 (78.4%) | 6,243 (85.6%) | 6,109 (86.0%) |
| Missing ethnicity | 11,964 (17.3%) | 168 (2.3%) | 181 (2.5%) |
| Insurance status | |||
| Public insurance | 29,727 (42.9%) | 5,172 (70.9%) | 4,355 (61.3%) |
| Private insurance | 32,376 (46.7%) | 2,080 (28.5%) | 2,280 (32.1%) |
| Uninsured | 7,195 (10.4%) | 44 (0.6%) | 0 (0.0%) |
| Insurance missing | 175 (0.3%) | 7 (0.1%) | 472 (6.6%) |
| Sex | |||
| Male | 35,523 (51.3%) | 3,691 (50.6%) | 0 (0.0%) |
| Female | 33,767 (48.7%) | 3,601 (49.4%) | 7,107 (100.0%) |
| Sex-missing | 0 (0.0%) | 1 (0.0%) | 0 (0.0%) |
| Twin or multiple | 3,016 (4.4%) | 308 (4.2%) | |
| Total | 69,290 (100.0%) | 7,293 (100.0%) | 7,107 (100.0%) |
Individuals may be represented with conflicting race, ethnicity, or insurance information by records representing the same individual at different encounters within the same data set. Consequently, an individual may be counted in more than one row for each demographic category and the sum of subcategories may exceed the total number of records.