Table 1.
Sociodemographic Characteristics of Pregnant Women and Nonpregnant Women of Reproductive Age by Selected Characteristics –United States, 1999–2004
| Selected characteristics | Pregnant women % | s.e. | Nonpregnant women % | s.e. | P-value* |
|---|---|---|---|---|---|
| Total | N=897 | N=3971 | |||
| Age (years) | <0.001* | ||||
| 15–24 | 34.0 | 2.46 | 30.4 | 0.98 | |
| 25–34 | 52.4 | 2.77 | 30.4 | 1.18 | |
| 35–44 | 13.6 | 2.26 | 39.2 | 1.31 | |
| Race/Ethnicity† | <0.001* | ||||
| Non-Hispanic White | 54.0 | 3.43 | 66.2 | 1.96 | |
| Non-Hispanic Black | 16.5 | 2.29 | 13.0 | 1.22 | |
| Mexican American | 14.4 | 1.85 | 9.2 | 1.02 | |
| Education | 0.126 | ||||
| < High School | 22.9 | 2.36 | 24.0 | 0.88 | |
| High School Diploma | 19.1 | 2.33 | 23.0 | 1.03 | |
| > High School | 58.0 | 2.83 | 52.9 | 1.34 | |
| Poverty status‡ | 0.144 | ||||
| <100% of the Federal | 23.4 | 2.85 | 20.3 | 1.14 | |
| Poverty Level (FPL) | |||||
| 100%–199% of the FPL | 18.2 | 2.32 | 22.1 | 0.93 | |
| ≥200% of the FPL | 58.4 | 3.96 | 57.6 | 1.38 | |
Source: National Health and Nutrition Examination Survey, 1999–2004. s.e.=standard error.
*
Chi-square test was used to compare estimates between pregnant and nonpregnant women for the distribution of selected sociodemographic characteristics.
†
All race/ethnicity categories were included in the denominator but “other race/ethnicity” and “other Hispanic” were not included in the table.
‡
Poverty status is defined by the ratio of family income to the federal poverty level (FPL).