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Table 3 Changes in body weight, body composition, and percentage of excessive GWG at the end of the intervention (12 weeks) and at the end of pregnancy

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

Variable

All completers

Compliance analysis

Usual care (n = 8)

Single goal (n = 12)

Cohen’s d

Usual care (n = 8)

Single goal (n = 8)

Cohen’s d

Body weight change baseline to 12 wks (kg)a

8.0 ± 3.4

4.2 ± 3.2

1.2

7.7 ± 3.2

3.0 ± 2.1

1.8

Total gestational weight gain (kg)b

20.5 ± 6.9

12.1 ± 6.5

1.3

18.5 ± 7.1

13.1 ± 6.9

0.8

Change in percentage fat mass baseline to 12 wks (%fat)a

3.9 ± 1.9

2.0 ± 1.7

1.1

3.9 ± 1.9

1.6 ± 1.3

1.4

Change in fat mass baseline to 12 wks (kg)a

5.4 ± 2.2

2.6 ± 2.1

1.3

5.2 ± 2.1

1.9 ± 1.1

2.1

Change in fat-free mass baseline to 12 wks (kg)a

2.6 ± 1.7

1.6 ± 1.6

0.6

2.5 ± 2.6

1.1 ± 2.5

0.5

  1. Legend: Mean ± standard deviation;
  2. acovariates included in the model: between testing visits, 6 wk. total fiber intake (g), and 12 wk. total fiber intake (g), parity, and maternal age;
  3. bcovariates included in the model: 6 wk. total fiber intake (g), and 12 wk. total fiber intake (g), parity, and maternal age