Table 1 The Characteristics of the Study Population of Term Singleton Live Births and Their Maternal Characteristics in the U.S., 1995–2006.
From: Optimal birth weight and term mortality risk differ among different ethnic groups in the U.S.
Whites | Blacks | Hispanics | N. Asians | S. Asians | |
|---|---|---|---|---|---|
Number | 19,018,822 | 3,086,435 | 5,905,096 | 357,926 | 507,918 |
BW (g) | 3,475 ± 470 | 3,280 ± 472 | 3,397 ± 459 | 3,318 ± 418 | 3,228 ± 431 |
GA (wk) | 39.1 ± 1.2 | 39.0 ± 1.2 | 39.1 ± 1.2 | 39.2 ± 1.1 | 39.0 ± 1.1 |
Male (%) | 51.2 | 50.9 | 50.8 | 51.8 | 51.4 |
Mortality (per1,000) | 0.78 | 0.98 | 0.75 | 0.36 | 0.72 |
Maternal age (yr) | 27.7 ± 6.7 | 25.4 ± 7.0 | 24.9 ± 6.9 | 30.5 ± 5.7 | 28.6 ± 6.2 |
Education >12 yr (%) | 62 | 45 | 19 | 71 | 70 |
Married (%) | 86 | 48 | 64 | 95 | 93 |
Smoking (%) | 10.7 | 5.6 | 4.4 | 3.7 | 4.1 |
Alcohol use (%) | 0.8 | 0.6 | 0.2 | 0.1 | 0.1 |
Paternal age (yr) | 30.9 ± 6.7 | 28.9 ± 8.4 | 28.3 ± 7.4 | 34.3 ± 5.6 | 33.3 ± 6.2 |
Prenatal care (%) | 67.6 | 56.3 | 50.2 | 59.6 | 56.2 |
Maternal RF (%) | 25.6 | 28.1 | 18.5 | 17.7 | 19.5 |
Neonatal RF (%) | 5.5 | 4.8 | 3.9 | 3.7 | 3.7 |
Neonatal CA (%) | 1.2 | 1.2 | 0.8 | 0.8 | 0.8 |
