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Table 1 Characteristics of the study population

From: Hemoglobin A1c as screening for gestational diabetes mellitus in Nordic Caucasian women

 

N

Median (min–max) or n (%)

Age (years)

839

30 (19–46)

BMI (kg/m2)

854

24.3 (18.4–39.9)

Education at university college or university level

855

753 (88.1)

Exercised at moderate to high intensity at least three times per week prior to pregnancy

855

269 (31.5)

Nulliparity

853

485 (56.9)

Family history of diabetes

716

64 (8.9)

GDM in previous pregnancy

855

4 (0.4)

Previous macrosomic baby

855

70 (8.2)

Intervention group

855

429 (50)

Smoking in week 18–22

855

9 (1.1)

Systolic blood pressure week 18–22 (mmHg)

855

109 (82–147)

HbA1c week 18–22 [%, (mmol/mol)]

845

4.8 (4.2–5.7) [29 (22–39)]

HbA1c week 32–36 [%, (mmol/mol)]

722

5.1 (4.4–5.8) [32 (25–40)]

Fasting s-glucose week 18–22 (mmol/L)

849

4.3 (3.4–5.6)

2-h s-glucose week 18–22 (mmol/L)

836

4.8 (2.1–10.1)

Fasting s-glucose week 32–36 (mmol/L)

711

4.3 (3.2–6.4)

2-h s-glucose week 32–36 (mmol/L)

702

5.6 (2.3–9.9)

Birth weight (g)

853

3540 (825–4930)