Table 3 Multivariable logistic regression showing factors independently associated with gestational diabetes mellitus diagnosed by IADPSG criteria

HbA1c (at booking)

2.91 (1.69–3.12), p < 0.001

Previous history of GDM

3.63 (1.48–8.90), p = 0.005

Family history of diabetes

1.54 (1.11–2.15), p = 0.009

Age (at booking)

1.03 (1.00–1.08), p = 0.05

Body mass index (at booking)

1.02 (0.99–1.05), p = 0.14

Parity^a

1.00 (0.74–1.35), p = 0.99