Role of fasting glucose and glycated hemoglobin for gestational diabetes mellitus diagnosis: A prospective study

Table 3 Univariate and multivariate logistic regression analysis for large for gestational age newborns

Independent variables	Univariate			Multivariate
	OR	95%CI	P value	OR	95%CI	P value
Age (years)	0.995	0.938-1.056	0.877
Gestational age at test (weeks)	1.044	0.971-1.123	0.245
Parity
Primigravida	1 (reference)
Multigravida	1.860	0.956-3.610	0.066
OGTT status			0.631
OGTT negative	1 (reference)
OGTT positive	1.183	0.592-2.374
A criteria status			0.001
A negative	1 (reference)
A positive	4.291	1.814-10.153
Pregestational BMI (kg/m2)	1.071	1.016-1.128	0.010	1.069	1.002-1.140	0.042
Pregnancy weight gain (kg)	1.068	1.002-1.138	0.042
Personal history of GDM			0.224
No	1 (reference)
Yes	1.826	0.692-4.819
Previous macrosomic newborns			0.001
No	1 (reference)			1 (reference)
Yes	6.897	2.183-21.788		7.948	2.269-27.842	0.001
FPG (mg/dL)	1.065	1.025-1.108	0.001
HbA1c (%)	1.745	0.654-4.653	0.266
Treatment for GDM			0.521
Diet	1 (reference)
Insulin	1.507	0.431-5.273

A: Alternative diagnostic; BMI: Body mass index; 95%CI: 95% confidence interval; GDM: Gestational diabetes mellitus; HbA1c: Glycated hemoglobin; OGTT: Oral glucose tolerance test; OR: Odds ratio.