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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

From: No consensus on gestational diabetes mellitus screening regimes in Sweden: pregnancy outcomes in relation to different screening regimes 2011 to 2012, a cross-sectional study

Variables Crude ORa Model 1b(n = 178038) Model 2b(n = 178038) Model 3b(n = 176145) Model 4b(n = 148610)
BMIc <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 countriesd 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)
Employede 1    1 1
Unemployedf 1.74 (1.57–1.93)   1.27 (1.14–1.42) 1.20 (1.10–1.36)
University levelg 1     1
<University level 1.62 (1.48–1.77) 1.34 (1.21–1.47)
  1. aCrude odds ratio.
  2. bAdjusted odds ratio and their 95% confidence intervals.
  3. cBody mass index (BMI) kg/m2.
  4. dNorway, Finland, Denmark, and Iceland.
  5. eEmployed includes employed, student, and parental leave.
  6. fUnemployed includes \unemployed, sick leave, and other.
  7. gElementary school/high school.