Characteristics | Stork Grorudddalen | Stork Rikshospitalet | Fit for Delivery | TRIP | Total |
---|---|---|---|---|---|
n = 752 | n = 983 | n = 545 | n = 701 | n = 2981 | |
Study period | 2008–2010 | 2002–2008 | 2009–2013 | 2007–2009 | |
Type of study | cohort | cohort | RCT | RCT | |
Gest. age at inclusion (weeks) | 15.1 ± 3.4 | 15.8 ± 1.3 | 15.1 ± 2.6 | 20.2 ± 1.6 | 16.5 ± 3.1 |
Gest. age at OGTT (weeks) | 28.3 ± 1.3 | 31.2 ± 1.0 | 29.6 ± 0.8 | 34.0 ± 2.0 | 30.8 ± 2.5 |
European ethnicity | 363 (48.3) | 983 (100) | 541 (99.3) | 701 (100) | 2588 (86.8) |
Current smoker | 31 (5.0) | 23 (2.3) | 20 (3.7) | 6 (0.9) | 80 (2.8) |
Education | |||||
primary or less | 124 (16.5) | 12 (1.2) | 10 (1.8) | 3 (0.4) | 149 (5.0) |
High school education | 297 (39.5) | 128 (13.0) | 158 (29.0) | 62 (8.8) | 645 (21.6) |
Higher education | 331 (44.0) | 843 (85.8) | 377 (69.2) | 636 (90.7) | 2187 (73.4) |
Primipara | 345 (45.9) | 524 (53.3) | 545 (100) | 405 (57.8) | 1819 (61.0) |
Diabetes in family | 191 (26.1) | 98 (10.5) | NM | 61 (9.1) | 350 (11.7) |
Age (years) | |||||
Total | 29.9 ± 4.8 | 31.3 ± 3.8 | 28.0 ± 4.3 | 30.6 ± 4.2 | 30.2 ± 4.4 |
Primipara | 28.1 ± 4.6 | 30.0 ± 3.7 | 28.0 ± 4.3 | 29.2 ± 3.7 | 28.9 ± 4.1 |
Parous | 31.4 ± 4.5 | 32.7 ± 3.6 | a | 32.4 ± 4.1 | 32.2 ± 4.0 |
Prepregnant BMI (kg/m2) | 24.6 ± 4.8 | 23.4 ± 3.7 | 23.6 ± 3.8 | 23.1 ± 3.1 | 23.7 ± 3.9 |
BMI at inclusion (kg/m2) | 25.3 ± 4.8 | 24.5 ± 3.4 | 24.5 ± 3.9 | 24.7 ± 3.1 | 24.8 ± 4.0 |
Fasting glucose at OGTT (mmol/L) | 4.8 ± 0.6 | 4.6 ± 0.4 | 4.6 ± 0.4 | 4.3 ± 0.4 | 4.6 ± 0.5 |
2-h glucose at OGTT (mmol/L) | 6.2 ± 1.4 | 6.2 ± 1.4 | 6.1 ± 1.3 | 5.7 ± 1.2 | 6.1 ± 1.3 |
GDM, 1999WHO-criteria | 97 (12.9) | 124 (12.6) | 57 (10.5) | 42 (6.0) | 320 (10.7) |
GDM, 2013WHO-criteria | 236 (31.4) | 145 (14.8) | 76 (13.9) | 47 (6.7) | 504 (16.9) |
GDM, 2017Norway-criteria | 156 (20.7) | 87 (8.9) | 38 (7.0) | 27 (3.9) | 308 (10.3) |