Table 1. Sociodemographic Characteristics of Pregnant Women (N = 897) and Nonpregnant Women of Childbearing Age (N = 3,971), National Health and Nutrition Examination Survey, 1999–2004.
| Selected Characteristic | Pregnant Women, % (SE) | Nonpregnant women, % (SE) | P Valuea |
|---|---|---|---|
| Age, y | |||
| 15–24 | 34.0 (2.46) | 30.4 (0.98) | <.001 |
| 25–34 | 52.4 (2.77) | 30.4 (1.18) | |
| 35–44 | 13.6 (2.26) | 39.2 (1.31) | |
| Race/ethnicity b | |||
| Non-Hispanic white | 54.0 (3.43) | 66.2 (1.96) | .05 |
| Non-Hispanic black | 16.5 (2.29) | 13.0 (1.22) | |
| Mexican American | 14.4 (1.85) | 9.2 (1.02) | |
| Poverty status (% FPL) c | |||
| <100% | 23.4 (2.85) | 20.3 (1.14) | .144 |
| 100%–199% | 18.2 (2.32) | 22.1 (0.93) | |
| ≥200% | 58.4 (3.96) | 57.6 (1.38) | |
| Education | |||
| <High school | 22.9 (2.36) | 24.0 (0.88) | .126 |
| High school diploma | 19.1 (2.33) | 23.0 (1.03) | |
| ≥High school | 58.0 (2.83) | 52.9 (1.34) | |
| Marital status | |||
| Married | 62.9 (3.05) | 44.5 (1.18) | <.001 |
| Covered by health insurance | 85.7 (1.74) | 78.0 (1.15) | .05 |
| Covered for dental care d | 76.6 (2.90) | 77.0 (1.17) | .876 |
Abbreviations: SE, standard error; FPL, federal poverty level.
a
χ2 test was used to compare estimates between pregnant and nonpregnant women for the distribution of selected sociodemographic characteristics.
b
All race/ethnicity categories are included in the total but not presented as separate race/ethnicity strata.
c
Poverty status is the ratio of family income to the federal poverty level.
d
Coverage was determined by answer to question: “Does the insurance (you have) cover any part of dental care?” Data were available only for NHANES survey cycle 1999–2002.