Table 2.
Unadjusted and adjusted odds ratios between 25(OH)D concentrations and gestational diabetes
| (25(OH)D) | Controls na (%) |
GDM cases na (%) |
Unadjusted OR (95% CI) |
Adjustedb OR (95% CI) |
|---|---|---|---|---|
| All | ||||
| <30 nmol/L | 146 (7.9) | 48 (12.3) | 2.18 (1.51, 3.15) | 1.57 (1.04, 2.37) |
| 30–<50 | 684 (37.2) | 190 (48.7) | 1.84 (1.46, 2.33) | 1.41 (1.09, 1.81) |
| ≥50 | 1008 (54.8) | 152 (39.0) | 1.00 (Reference) | 1.00 (Reference) |
a
Numbers represent sample size included in the adjusted model (i.e. women with missing values for covariates are not included in the unadjusted analysis).
b
Adjusted for maternal age, body mass index, gestational week at blood collection, study site, season, and year of blood collection