Table 6 Univariate and multivariate logistic regression analysis ^{a b} for gestational diabetes mellitus (GDM) in relation to non-GDM for specified variables between 2011 and 2012

BMI^c <30.00

1

1

1

1

1

BMI ≥30.00

4.14 (3.81–4.50)

4.10 (3.74–4.42)

4.00 (3.68–4.35)

3.93 (3.62–4.28)

3.66 (3.31–4.01)

Age <35

1

1

1

1

1

Age ≥35

1.79 (1.15–1.95)

1.72 (1.58–1.87)

1.71 (1.57–1.86)

1.71 (1.57–1.86)

1.60 (1.59–1.93)

Nordic countries^d

1

1

1

1

Non Nordic countries

2.24 (2.06–2.43)

2.18 (2.01–2.37)

2.10 (1.92–2.28)

2.10 (1.87–2.28)

Employed^e

1

1

1

Unemployed^f

1.74 (1.57–1.93)

1.27 (1.14–1.42)

1.20 (1.10–1.36)

University level^g

1

1

<University level

1.62 (1.48–1.77)

1.34 (1.21–1.47)