Research Article

Association between Prenatal One-Hour Glucose Challenge Test Values and Delivery Mode in Nondiabetic, Pregnant Black Women

Table 2

Association between continuous 1-hour GCT values and delivery by C-section, compared to vaginal delivery, in the overall sample, and stratified by parity.

OverallNulliparousParous
OR (95% CI)P OR (95% CI)P OR (95% CI)P

Model 1
 1-hour GCT (mg/dL)1.01 (1.00, 1.03)0.1311.00 (0.98, 1.02)0.8561.03 (1.00, 1.05)0.034
Model 2
 Maternal age (years)0.96 (0.90, 1.03)0.2591.04 (0.95, 1.14)0.3680.90 (0.80, 1.02)0.896
 Previous C-section15.6 (4.0, 60.2)N/A66.8 (10.5, 422.7)
 1-hour GCT (mg/dL)1.01 (1.00, 1.03)0.1711.00 (0.98, 1.02)0.9431.05 (1.01, 1.09)0.017
Model 3
 Maternal age (years)0.94 (0.87, 1.00)0.0841.02 (0.93, 1.11)0.7510.86 (0.75, 0.99)0.039
 Previous C-section15.2 (3.8, 61.4)N/A72.4 (9.7, 540.0)
 Maternal prepregnancy BMI (kg/m2)1.09 (1.03, 1.15)0.0031.07 (1.00, 1.13)0.0471.13 (1.00, 1.27)0.045
 1-hour GCT (mg/dL)1.01 (0.99, 1.03)0.3561.00 (0.98, 1.02)0.8841.05 (1.00, 1.05)0.029

Statistically significant result ().