TABLE 1.
Characteristics of this sample of pregnant African American women, measured at gestational weeks 32.0–34.61
| Characteristic | Value |
| Age, y | 23.1 ± 4.0 (17.0–33.1) |
| BMI in early pregnancy, kg/m2 | 28.4 ± 7.5 (17.4–43.3) |
| Gestational age on day of test, wk | 33.9 ± 0.7 (32.0–34.6) |
| BMI on day of test, kg/m2 | 31.8 ± 6.5 (21.3–43.9) |
| Gestational weight gain, kg | 12.2 ± 7.1 (−2.3 to 27.3) |
| 1-h OGTT glucose,2 mg/dL | 110 ± 17 (83–150) |
| Energy intake, kcal/d | 2740 ± 829 (1250–5230) |
| Fat, % energy | 38.2 ± 5.8 (28.1–51.9) |
| Carbohydrate, % energy | 48.1 ± 8.1 (25.4–62.2) |
| Protein, % energy | 14.5 ± 3.2 (9.3–25.5) |
| Diet quality index score | 45.1 ± 11.2 (24.5–66.7) |
| Total physical activity, kcal/d | 356 ± 322 (56–1800) |
| Time spent active during accelerometer use, min/d | 281 ± 114 (87–623) |
| Fasting glucose, mg/dL | 86.5 ± 12.7 (61.7–124) |
| GLUC24h, g/L × 24 h | 1430 ± 169 (1140–1840) |
| Time of glucose <70 mg/dL, % | 5.6 ± 7.0 (0–26.6) |
| Time of glucose >100 mg/dL, % | 42.6 ± 15.8 (0.4–98.1) |
| Time of glucose >120 mg/dL, % | 14.6 ± 15.8 (0–60.1) |
| 24-h CV, % | 16.4 ± 5.4 (6.2–28.7) |
1
Data are means ± SDs (minimum–maximum); n = 40, unless noted. GDM, gestational diabetes mellitus; GLUC24h, 24-h glucose area under the curve; OGTT, oral-glucose-tolerance test.
2
From the 50-g glucola test to screen for GDM; data retrieved from medical records.