Table 4.
Factors associated with GDM: Multivariate Logistic regression analysis
| Variables | GDM n/N (%) |
Adjusted Odds ratio (OR) |
95% CI for OR | P-value |
|---|---|---|---|---|
| Mother’s Age (years) | ||||
| <30 | 463/2658 (17.4%) | 1.0 (reference) | ||
| ≥30 | 797/2385 (33.4%) | 2.21 | 1.93, 2.52 | <0.0001 |
| Body Mass Index (BMI) | ||||
| Normal weight (19-24.99) | 71/437 (16.2%) | 1.0 (reference) | ||
| Overweight (25-29.99) | 278/1463 (19%) | 1.11 | 0.83, 1.48 | 0.493 |
| Obese (≥30) | 910/3125 (29.1%) | 1.71 | 1.30, 2.23 | <0.0001 |
| Type of Delivery | ||||
| Vaginal Delivery | 751/3166 (23.7%) | 1.0 (reference) | ||
| Cesarean Section | 447/1563 (28.6%) | 1.25 | 1.09, 1.44 | 0.002 |
| Instrumental Delivery | 62/314 (19.7%) | 0.82 | 0.61, 1.20 | 0.176 |
| Bodyweight to Gestational Age | ||||
| AGA | 1061/4141 (25.6%) | 1.0(reference) | ||
| SGA | 127/744 (17.1%) | 0.70 | 0.57, 0.87 | 0.001 |
| LGA | 72/146 (49.3%) | 2.30 | 1.64, 3.24 | <0.0001 |
CI Confidence interval, OR Odds ratio, Outcome variable: non-GDM was considered as the reference group
LGA Large for gestational age, AGA appropriate for gestational age, SGA small for gestational age
‘n’ is the total number of GDM cases whereas ‘N’ is the total number of participants included against each specific variable/parameter