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Table 4 Within and between group differences for dietary intake

From: The effect of high dietary fiber intake on gestational weight gain, fat accrual, and postpartum weight retention: a randomized clinical trial

Study time point

Group

Between group effect sizes

UC (n = 8)

SG (n = 8)

Cohen’s d

Calories (kcal/day)

Week 0

1714.8 ± 692.8

1941.9 ± 406.9

0.4

Week 6

1710.7 ± 794.1

1984.1 ± 280.6

0.5

Week 12

1622.1 ± 623.1

1853.2 ± 307.9

0.5

% kcal from carbohydrate

Week 0

50.8 ± 8.8

47.6 ± 8.3

0.4

Week 6

49.2 ± 10.7

49.5 ± 4.5

0.0

Week 12

51.8 ± 13.1

50.4 ± 7.0

0.1

% kcal from protein

Week 0

16.9 ± 4.6

15.0 ± 2.2

0.6

Week 6

16.5 ± 4.7

15.2 ± 3.0

0.3

Week 12

17.0 ± 4.5

15.4 ± 3.2

0.4

%kcal from fat

Week 0

32.3 ± 5.3

37.3 ± 9.0

0.7

Week 6

34.2 ± 7.6

35.3 ± 2.8

0.2

Week 12

31.2 ± 10.4

34.1 ± 4.3

0.4

Fiber intake (g/day)

Week 0

18.3 ± 7.8

21.0 ± 7.0

0.4

Week 6

16.7 ± 8.9

32.1 ± 9.7

1.7

Week 12

16.7 ± 4.9

27.0 ± 8.9

1.5

Fiber grams/100 kcal (g/100 kcal/day)

Week 0

1.10 ± 0.31

1.09 ± 0.29

0.0

Week 6

0.97 ± 0.36

1.60 ± 0.39

1.7

Week 12

1.10 ± 0.35

1.44 ± 0.33

1.0

Soluble fiber intake (g/day)

Week 0

5.5 ± 2.3

6.6 ± 2.3

0.5

Week 6

4.8 ± 2.5

10.0 ± 2.6

2.2

Week 12

4.8 ± 1.9

7.8 ± 1.8

1.6

Insoluble fiber intake (g/day)

Week 0

12.7 ± 6.1

14.4 ± 6.4

0.3

Week 6

11.8 ± 6.5

21.7 ± 8.0

1.4

Week 12

11.7 ± 3.8

18.8 ± 7.5

1.3

  1. Legend: Within group differences (e.g., SG week 0 different from SG week 6):