Table 1.
Maternal characteristics of women with and without GDM (N = 899).
| No GDM n = 792 |
Yes GDM n = 107 |
P value | OR (95% CI) | |
|---|---|---|---|---|
| AMA (≥35 years) | 23.0% | 37.4% | 0.001 | 2.00 (1.31, 3.06) |
| African American race | 37.6% | 43.0% | 0.284 | 1.25 (0.83, 1.88) |
| BMI 30–39.9 kg/m2 | 83.8% | 76.6% | 0.063 | 0.63 (0.39, 1.03) |
| BMI > 39.9 kg/m2 | 16.2% | 23.4% | 0.063 | 1.58 (0.97, 2.57) |
| 17OHPC exposure | 53.4% | 63.6% | 0.048 | 1.52 (1.00, 2.31) |
| 17OHPC initiation | ||||
| 16–20.9 weeks | 36.4% | 47.7% | 0.024 | 1.59 (1.06, 2.39) |
| 21–24.0 weeks | 17.0% | 15.9% | 0.764 | 0.92 (0.53, 1.59) |
| Oral maintenance tocolysis | 32.4% | 25.2% | 0.132 | 0.70 (0.44, 1.11) |
Data presented as percentage as indicated. AMA = advanced maternal age. BMI = body mass index.