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Table 2 Baseline characteristics of the women (mean ± SD or numbers, percentage in parentheses).

From: Feasibility of a lifestyle intervention in early pregnancy to prevent deterioration of glucose tolerance

Characteristic Lifestyle intervention
n = 27
Close follow-up
n = 27
p valuea
Age 29.1 ± 5.4 29.8 ± 5.4 NS
Primiparous 13 (50) 17 (63) NS
Body-mass index (kg/m2) 27.3 ± 6.0 25.5 ± 3.4 NS
Prepregnancy weight (kg) 76.6 ± 16.1 69.6 ± 9.7 0.061
Previous Cesarean delivery 3 (12) 1 (3.7) NS
Risk factors 25 (86.2) 21 (72.4) NS
BMI > 25 (kg/m2) 18 (60) 17 (56.7) NS
Previous birth of child > 4.5 kg 0 1 (3.4) NS
Age > 40 years 0 1 (3.3) NS
Previous history of GDM 5 (16.7) 1 (3.4) NS
Family history of diabetes 13 (43.3) 12 (41.4) NS
Prepregnancy smoking 1 (3.7) 2 (7.4) NS
Higher educational status 5 (18.5) 12 (44.4) 0.080
Office or service work 13 (46.4) 18 (64.3) NS
Fasting glucose (mmol/l) 5.0 ± 0.3 4.9 ± 0.3 NS
OGTT 1-hour glucose (mmol/l) 6.4 ± 1.4 6.0 ± 1.1 NS
OGTT 2-hour glucose (mmol/l) 5.6 ± 1.0 5.4 ± 1.0 NS
Area under the curve (mmol/l/2 h) 11.7 ± 1.7 11.2 ± 1.5 NS
Systolic blood pressure (mmHg) 117.3 ± 10.3 119.4 ± 8.9 NS
Diastolic blood pressure (mmHg) 72.9 ± 7.9 70.9 ± 7.4 NS
  1. ap value: Student's t-test for independent samples, chi-square or Fisher's exact test.