Table 1.
Sociodemographic Characteristics by Delivery Mode
| Appropriate for Gestational Age | |||
|---|---|---|---|
| Vaginal Delivery (n=14,023) | Cesarean Delivery (n=6,208) | P | |
| Maternal age (years) | <0.001 | ||
| ■Younger than 20 | 12.8 | 5.5 | |
| ■20–34 | 68.6 | 63.8 | |
| ■35 and older | 18.6 | 30.8 | |
| Parity | <0.001 | ||
| ■Nulliparous | 46.5 | 41.4 | |
| ■1 | 26.9 | 27.1 | |
| ■2 | 13.6 | 16.2 | |
| ■3 or more | 13.1 | 15.3 | |
| Mother’s ethnicity | <0.001 | ||
| ■White, non-Hispanic | 15.2 | 17.5 | |
| ■Black, non-Hispanic | 40.4 | 41.5 | |
| ■Hispanic | 37.5 | 34.6 | |
| ■Asian or Pacific Islander | 6.3 | 6.3 | |
| ■Other | 0.6 | 0.2 | |
| Maternal education | <0.001 | ||
| ■High school or less | 67.4 | 58.3 | |
| ■More than high school | 32.6 | 41.7 | |
| Primary payer | <0.001 | ||
| ■Medicaid | 61.2 | 52.4 | |
| ■HMO | 9.6 | 12.4 | |
| ■3rd party | 22.9 | 30.2 | |
| ■Self-pay | 6.3 | 5.1 | |
| Prepregnancy weight (pounds) | <0.001 | ||
| ■99 or less | 3.4 | 2.2 | |
| ■100–149 | 62.0 | 55.6 | |
| ■150–199 | 28.0 | 32.5 | |
| ■200 or more | 6.6 | 9.7 | |
| Gestational age at delivery (weeks) | <0.001 | ||
| ■Less than 26 | 5.9 | 4.1 | |
| ■26–28 | 6.1 | 8.9 | |
| ■28–30 | 8.3 | 14.2 | |
| ■30–32 | 14.5 | 18.1 | |
| ■Greater than 32 | 65.2 | 54.6 | |
| Diabetes* | 6.7 | 9.8 | <0.001 |
| Hypertensive disorders† | 9.7 | 36.8 | <0.001 |
| Tobacco | 9.1 | 6.0 | <0.001 |
Data are percent unless otherwise specified.
*
Includes pregestational and gestational diabetes.
†
Includes chronic hypertension and preeclampsia