Table 2.
Odds ratios (OR) and 95% confidence intervals (CI) of the risk for gestational diabetes (GDM) according to maternal urine 8-OHdG concentrations in early pregnancy, Seattle and Tacoma, Washington, USA
| Urine 8-OHdG (ng/mg creatinine) | GDM Cases (N=55) | Control Subjects (N=43) | Unadjusted OR (95% CI) | *Adjusted OR (95% CI) |
|---|---|---|---|---|
| Quartiles | ||||
| Q1 (<4.23) | 8 (14.6) | 10 (23.2) | 1.00 (referent) | 1.00 (referent) |
| Q2 (4.23-6.34) | 15 (27.3) | 11 (25.6) | 1.70 (0.51-5.73) | 1.63 (0.41-6.40) |
| Q3 (6.35-8.00) | 8 (14.6) | 11 (25.6) | 0.91 (0.25-3.34) | 1.15 (0.27-4.97) |
| Q4 (≥8.01) | 24 (43.6) | 11 (25.6) | 2.73 (0.84-8.80) | 3.79 (1.03-14.00) |
| P for trend | 0.15 | 0.05 |
*
Adjusted for maternal age, race/ethnicity and pre-pregnancy body mass index