Table 2B.

Explanatory variables of HDP, GDM, LGA, SGA, and cesarean delivery in obese Japanese pregnant women according to the Japanese classification

Obesity comorbidity	OR	95% CI	P-value
HDP
Maternal age (y)	1.05	1.03-1.08	<0.001
Primiparous rate (%)	0.47	0.36-0.61	<0.001
Body weight gain (kg)	1.00	1.00-1.01	0.516
GDM
Maternal age (y)	1.09	1.06-1.13	<0.001
Primiparous rate (%)	0.95	0.70-1.29	0.740
Body weight gain (kg)	0.93	0.90-0.96	<0.001
LGA
Maternal age (y)	1.02	1.00-1.04	0.042
Primiparous rate (%)	0.73	0.60-0.89	<0.001
Body weight gain (kg)	1.01	1.00-1.03	0.158
SGA
Maternal age (y)	1.00	0.98-1.02	0.840
Primiparous rate (%)	1.06	0.87-1.30	0.552
Body weight gain (kg)	0.95	0.93-0.98	<0.001
Cesarean delivery
Maternal age (y)	1.08	1.06-1.09	<0.001
Primiparous rate (%)	0.89	0.77-1.04	0.137
Body weight gain (kg)	1.01	1.00-1.02	0.197