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Table 1 Baseline characteristics

From: Cost-effectiveness of an exercise program during pregnancy to prevent gestational diabetes: Results of an economic evaluation alongside a randomised controlled trial

Maternal characteristics Standard care Group Intervention Group  P value
  Means ± SD n = 52 Means ± SD n = 49 Independent t-test
Age, years 30.1 ± 4.5 30.8 ± 5.2 0.481
BMI pp¥, kg/m2 33.9 ± 5.6 33.0 ± 3.7 0.378
Baseline glucose, mmol/l 4.8 ± 0.5 4.7 ± 0.4 0.514
Baseline insulin sensitivity 0.07 ± 0.06 0.08 ± 0.04 0.588
Baseline utility 0.81 ± 0.18 0.83 ± 0.22 0.605
  % (n) % (n) Chi-Square Test
Parity    0.281
·Nulliparous 28.0 (14) 38.3 (18)  
·Multiparous 72.0 (36) 61.7 (29)  
Race/ethnicity    0.600
·White/Caucasian 50.0 (25) 44.7 (21)  
·Non-Caucasian 50.0 (25) 55.3 (26)  
Educational level    0.805
·Lower 34.7 (17) 34.0 (16)  
·Middle 34.7 (17) 40.4 (19)  
·Higher 30.6 (15) 25.5 (12)  
Employment status    0.282
·Employed 70.0 (35) 59.6 (28)  
·Unemployed 30.0 (15) 40.4 (19)  
  1. Continuous variables (presented as means ± SDs) were analyzed by using an independent t-test; categorical variables (presented as percentages (n values)) were analyzed by using a Chi-Square test.
  2. ¥BMI pp: pre-pregnancy BMI, based on self-reported weight and height.