Associations of Body Mass Index (Maternal BMI) and Gestational Diabetes Mellitus with Neonatal and Maternal Pregnancy Outcomes in a Multicentre European Database (Diabetes and Pregnancy Vitamin D and Lifestyle Intervention for Gestational Diabetes Mellitus Prevention)

Table 1

Overview of the number, percentage GDM, and percentage of GDM in each maternal BMI category by country. Higher prevalence of GDM reflects a more specialised centre or the inclusion of GDM pregnancies only.

Country	N	GDM (%)	In each maternal BMI category (%)
			<25	25–30	≥30	≥35
Austria	873	27.6	33.4	37.8	19.7	9.0
Finland	172	99.4	27.9	30.8	22.7	18.6
Ireland	1399	11.8	41.0	36.5	14.6	7.9
Italy	248	69.0	64.5	18.5	10.1	6.9
The Netherlands	67	61.2	52.2	29.9	13.4	4.5
Spain	159	56.0	63.5	24.5	8.2	3.8
UK	426	21.1	45.8	25.4	12.9	16.0
Overall	3344	28.9	42.0	33.1	15.5	9.4