Maternal hepatitis B surface antigen carrier status increased the incidence of gestational diabetes mellitus

BMC Infectious Diseases

Table 2 Incidence of GDM with respect to HBsAg status in pregnant women, stratified by risk factors

Factors	GDM (%)		P-value	OR	95% CI	P-Value ^a
Factors	HBsAg+	HBsAg-	P-value	OR	95% CI	P-Value ^a
Age < 35 years	15.5	10.3	0.002	1.60	1.19–2.15	0.758
Age ≥ 35 years	24.3	14.6	0.198	1.88	0.71–4.94	0.758
Nullipara	15.4	10.8	0.009	1.51	1.11–2.05	0.125
Multipara	21.4	8.8	0.005	2.80	1.34–5.84	0.125
Family history of diabetes	46.2	34.6	0.397	1.62	0.53–4.95	0.911
No family history of diabetes	15.7	9.7	< 0.001	1.73	1.27–2.23	0.911
History of abortion	18.8	12.8	0.035	1.59	1.03–2.44	0.811
No history of abortion	14.8	9.3	0.005	1.70	1.17–2.47	0.811

Abbreviation: GDM Gestational diabetes mellitus, OR Odds ratio, CI Confidence interval
^aP-values for interaction effect between each risk factor and HBsAg status on GDM

ISSN: 1471-2334