Table 1.
Descriptive characteristics of the birth data in Brazil, 2001–2018.
| Region | Subgroup | n (%)1 |
|---|---|---|
| North | Infant sex: Male | 70,634 (43.2) |
| Infant sex: Female | 92,752 (56.7) | |
| Infant sex: NA | 131 (0.1) | |
| Maternal race: white | 152,535 (93.3) | |
| Maternal race: black | 2,502 (1.5) | |
| Maternal race: indigenous | 6,748 (4.1) | |
| Maternal race: NA | 1,732 (1.1) | |
| 163,517 | ||
| Northeast | Infant sex: Male | 195,531 (42.7) |
| Infant sex: Female | 261,784 (57.2) | |
| Infant sex: NA | 577 (0.1) | |
| Maternal race: white | 400,308 (87.4) | |
| Maternal race: black | 14,584 (3.2) | |
| Maternal race: indigenous | 1,611 (0.4) | |
| Maternal race: NA | 41,389 (9) | |
| 457,892 | ||
| Midwest | Infant sex: Male | 50,057 (41.6) |
| Infant sex: Female | 70,196 (58.3) | |
| Infant sex: NA | 90 (0.1) | |
| Maternal race: white | 101,407 (84.3) | |
| Maternal race: black | 2,712 (2.3) | |
| Maternal race: indigenous | 1,865 (1.5) | |
| Maternal race: NA | 14,359 (11.9) | |
| 120,343 | ||
| Southeast | Infant sex: Male | 274,846 (41.4) |
| Infant sex: Female | 388,096 (58.5) | |
| Infant sex: NA | 466 (0.1) | |
| Maternal race: white | 574,428 (86.6) | |
| Maternal race: black | 31,285 (4.7) | |
| Maternal race: indigenous | 782 (0.1) | |
| Maternal race: NA | 56,913 (8.6) | |
| 663,408 | ||
| South | Infant sex: Male | 81,072 (41.1) |
| Infant sex: Female | 116,178 (58.9) | |
| Infant sex: NA | 61 (0) | |
| Maternal race: white | 188,368 (95.5) | |
| Maternal race: black | 7,186 (3.6) | |
| Maternal race: indigenous | 610 (0.3) | |
| Maternal race: NA | 1,147 (0.6) | |
| 197,311 |
Notes: (1) percentage was based on the proportion of observations by region.
Note: the categories with “NA” are for those observations with missing value for the categorial variables representing sex and race.