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Table 5 Mean changes in body composition measures by stratified baseline and achieved serum 25- hydroxy vitamin D (25(OH) D) status a

From: The effect of vitamin D supplementation on body composition in nursing mothers with overweight or obesity: a randomized double-blind placebo-controlled clinical trial

variable

Baseline serum 25(OH) D (ng/ml)

p-value b

Achieved serum 25(OH) D (ng/ml)

p-value b

< 20 ng/ml

> = 20 ng/ml

<  20 ng/ml

> = 20 ng/ml

n (%)

31 (50.8)

30 (49.2)

 

18 (29.5)

43 (70.5)

 

Mean change, mean ± SD

 

Mean change, mean ± SD

 

Weight

−5.0 (5.6)

−8.0 (6.2)

0.06

−5.0 (5.4)

−7.1 (6.2)

0.2

BMI

−2.7 (5.5)

− 2.0 (5.3)

0.6

−1.6 (6.0)

− 2.7 (5.1)

0.4

Waist Circumference

2.4 (7.9)

0.7 (14.7)

0.5

3.5 (9.8)

0.8 (12.4)

0.4

Relative Fat Mass Index

− 0.3 (0.9)

−0.1 (1.9)

0.5

−0.4 (1.2)

− 0.1 (1.6)

0.4

Fat Free Mass

−6.2 (7.8)

−4.5 (8.6)

0.4

−6.7 (8.1)

−4.8 (8.3)

0.4

Skeletal Muscle Mass

−3.2 (4.7)

− 3.1 (6.8)

0.9

−2.5 (5.6)

− 3.5.(5.9)

0.5

Fat Mass

−3.4 (7.1)

0.5 (8.7)

0.055

0.3 (8.6)

−2.2 (7.9)

0.2

Percentage Of Body Fat

−6.4 (9.8)

−2.9 (12.3)

0.2

−1.4 (10.6)

−6.0 (11.2)

0.1

Fat Mass Index

−1.3 (2.8)

0.2 (3.2)

0.04

0.09 (3.2)

−0.8 (3.0)

0.3

  1. a The results are reported for two groups of 2000 IU vitamin D3/d (VD1) and 4000 IU vitamin D3/d (VD2) (n = 61)
  2. b Independent t-student test