Table 1.
Characteristics of study population, Hawaii Pregnancy Risk Assessment Monitoring System (PRAMS), 2004–2008
| N | Estimate (%) | 95 % CIa | |
|---|---|---|---|
| Maternal race | |||
| White | 1.667 | 21.3 | (21.0–21.6) |
| Native Hawaiian | 1.835 | 27.6 | (27.3–27.9) |
| Samoan | 206 | 2.9 | (2.6–3.3) |
| Filipino | 1.627 | 18.3 | (18.0–18.5) |
| Japanese | 987 | 12.2 | (11.6–12.7) |
| Chinese | 903 | 3.6 | (3.5–3.7) |
| Korean | 397 | 1.6 | (1.5–1.7) |
| Black | 159 | 2.4 | (2.0–2.7) |
| Other/unknown | 727 | 10.2 | (9.6–10.8) |
| Maternal age | |||
| <20 years | 573 | 8.2 | (7.6–8.9) |
| 20–24 | 1.854 | 24.4 | (23.4–25.3) |
| 25–34 | 4.334 | 49.5 | (48.4–50.5) |
| 35 or more | 1.747 | 18.0 | (17.2–18.8) |
| Maternal education | |||
| <High school | 599 | 8.7 | (8.1–9.4) |
| High school or equivalent | 2.964 | 39.9 | (38.8–41.0) |
| Some college | 2.194 | 24.9 | (24.0–25.9) |
| College graduate | 2.307 | 26.4 | (25.6–27.3) |
| Marital status | |||
| Married | 5.876 | 64.6 | (63.6–65.6) |
| Not married | 2.632 | 35.4 | (34.4–36.4) |
| Pre-pregnancy weight status | |||
| Underweight (BMI < 18.5) | 546 | 6.0 | (5.5–6.5) |
| Normal (BMI 18.5–24.9) | 4.817 | 56.6 | (55.5–57.7) |
| Overweight (BMI 25–29.9) | 1.673 | 21.6 | (20.7–22.5) |
| Obese (BMI ≥ 30) | 1.162 | 15.8 | (15.1–16.7) |
| Insurance at delivery | |||
| No insurance | 109 | 1.2 | (1.0–1.5) |
| Medicaid | 2.494 | 33.5 | (32.5–34.5) |
| Military | 4.690 | 51.3 | (50.2–52.4) |
| Private | 1.134 | 14.0 | (13.3–14.7) |
| Mode of delivery | |||
| Cesarean | 2.188 | 25.6 | (24.7–26.5) |
| Vaginal | 6.318 | 74.4 | (73.5–75.3) |
| Return to work/school | |||
| Yes | 3.837 | 45.0 | (43.9–46.0) |
| No | 4.554 | 55.0 | (54.0–56.1) |
| Self-reported postpartum depressive symptoms | |||
| Yes | 1.180 | 14.2 | (13.5–15.0) |
| No | 7.243 | 85.8 | (85.0–86.5) |
| Total | 8.508 | ||
a
95 % CI refers to the 95 % Confidence Interval