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Table 1 Background variables in the exercise and control groups.

From: Exercise in pregnant women and birth weight: a randomized controlled trial

Detail EG (n = 52) CG (n = 53)
Age 31.2 (3.7) 30.3 (4.4)
Gestational wk 17.3 (4.1) 18.0 (4.3)
Married/living together 51 (98.1) 52 (98.1)
College/university education 44 (84.6) 45 (84.9)
Sedentary occupations (> 50% of the working day) 37 (71.2) 36 (67.9)
Daily smokers (Do you smoke daily: Yes/No) 2 (3.8) 1 (1.9)
Height (m) 1.69 (0.1) 1.69 (0.1)
Pre-preg weight (kg) 67.9 (11.4) 68.4 (14.6)
Weight (kg)* 71.8 (11.4) 72.7 (14.3)
Pre-preg BMI (kg/m2) 23.8 (3.8) 23.9 (4.7)
Pre-preg BMI≥ 25 13 (25.0) 14 (26.4)
  1. Means with standard deviation (SD) and N (%) (n = 105). No statistically significant differences between groups at baseline
  2. * At baseline test, pregnancy weight was measured using a digital beam scale