Table 1.
Maternal and child characteristics of participants enrolled in the DNA methylation, preterm birth and blood pressure in African American children study (DPREG), 2017–2020, n = 99
| Maternal characteristics | n (mean)a | % (s.d.)b |
|---|---|---|
| Age | ||
| 20–29 | 38 | 38.3 |
| 30–39 | 55 | 55.5 |
| 40–49 | 6 | 6.0 |
| Highest education completed | ||
| < High School | 3 | 3.0 |
| High School graduate | 32 | 32.3 |
| Some college | 30 | 30.3 |
| Associate degree/College graduate or higher | 34 | 34.3 |
| Annual household income | ||
| ≤ $15,000 | 40 | 41.6 |
| > $15,000–$50,000 | 43 | 44.7 |
| ≥ $50,000 | 13 | 13.5 |
| Health insurance | ||
| Private/employer | 18 | 18.1 |
| Medicaid | 59 | 59.6 |
| Government/ACA | 16 | 16.1 |
| Other | 4 | 4 |
| Uninsured | 2 | 2 |
| History of high blood pressure | ||
| Yes | 26 | 26.2 |
| No | 73 | 73.7 |
| Current smoker | ||
| Yes | 24 | 24.4 |
| No | 74 | 75.5 |
| Child characteristics | ||
| Age (months) | 49.9 | 8.6 |
| BMIc (kg/m2) | 16.1 | 1.6 |
| BMI-for-age | ||
| Underweight (< 5th percentile) | 2 | 2.0 |
| Normal weight (5th to < 85 percentile) | 76 | 76.7 |
| Overweight (85th to < 95th percentile) | 11 | 11.1 |
| Obese (≥ 95th percentile) | 10 | 10.1 |
| Systolic blood pressure (mmHg) | 89.0 | 8.9 |
| Diastolic blood pressure (mmHg) | 58.4 | 7.2 |
| Sex | ||
| Male | 41 | 41.4 |
| Female | 58 | 58.5 |
| Gestational age at birth (weeks) | 38.0 | 2.9 |
| Preterm | ||
| Yes (≤ 37 weeks gestation) | 16 | 16.3 |
| No (term birth > 37 weeks) | 82 | 83.6 |
| Birthweight (grams) | 3073.0 | 688.4 |
| Low birthweight | ||
| Yes (< 2500 g) | 10 | 10.3 |
| No (≥ 2500 g) | 87 | 89.6 |
aNumbers may not sum to 100 due to rounding
bs.d. = standard deviation
cBody Mass Index
kg kilogram, m meters