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Table 1 Body composition during pregnancy according to group

From: Water aerobics II: maternal body composition and perinatal outcomes after a program for low risk pregnant women

Body composition Water aerobics Control p
Weight (Kg) *    
Pre-gestational 63.8 ± 12.7 60.8 ± 10.2 0.27
At delivery 78.1 ± 14.7 75.9 ± 11.7 0.49
Mean difference 14.3 ± 2.1 15.1 ± 1.6 0.38
Body Fat (%) #    
1st evaluation (18–20 weeks) 29.7 ± 8.0 28.2 ± 7.5 0.41
2nd evaluation (22–26 weeks) 32.9 ± 6.5 30.1 ± 6.5 0.16
3rd evaluation (32–36 weeks) 35.7 ± 5.6 32.1 ± 6.4 0.05
Fat-free Mass (%) @    
1st evaluation (18–20 weeks) 70.3 ± 8.0 71.8 ± 7.5 0.42
2nd evaluation (22–26 weeks) 66.2 ± 15.6 69.8 ± 6.5 0.28
3rd evaluation (32–36 weeks) 64.3 ± 5.6 67.9 ± 6.4 0.05
BMI &    
Pre-gestational 24.1 ± 4.5 23.4 ± 3.8 0.48
1st evaluation (18–20 weeks) 25.4 ± 4.6 25.3 ± 3.9 0.95
2nd evaluation (22–26 weeks) 26.8 ± 4.1 26.2 ± 3.8 0.57
3rd evaluation (32–36 weeks) 29.2 ± 4.2 28.2 ± 4.1 0.44
  1. * Student's t-test
  2. # MANOVA (time effect p = 0.0025; group effect p = 0.0704)
  3. @ MANOVA (time effect p = 0.0006; group effect p = 0.0908)
  4. &Friedman (time effect p = 0.0015; group effect p = 0.2769)