Table 3.

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

Variable	Odds ratio (95 % CI), p value
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
Paritya	1.00 (0.74–1.35), p = 0.99

^a Primi mothers as reference