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Table 2 Body composition index according to the SC before and after propensity matching

From: Body composition and personality traits in so-Yang type males

Variables

Before matching

After matching

SY type

non-SY type

p

SY type

non-SY type

p

 Male

  BFM (kg)

13.2 ± 3.6

16.2 ± 6.4

<0.001

13.1 ± 3.6

14.1 ± 4.7

0.115

  SMM (kg)

31.7 ± 3.2

32.3 ± 4.2

0.165

31.8 ± 3.1

31.0 ± 3.5

0.093

  BFM percentage (%)

18.9 ± 4.5

21.5 ± 5.9

<0.001

18.7 ± 4.3

20.0 ± 5.2

0.057

  SMM percentage (%)

45.8 ± 2.7

44.2 ± 3.3

<0.001

45.8 ± 2.6

44.9 ± 3.0

0.021

  ICW

25.8 ± 2.4

26.3 ± 3.2

0.161

25.9 ± 2.3

25.3 ± 2.7

0.098

  ECW

15.4 ± 1.4

15.8 ± 1.8

0.055

15.5 ± 1.4

15.2 ± 1.5

0.200

  TBW

41.2 ± 3.8

42.1 ± 5.0

0.109

41.4 ± 3.7

40.5 ± 4.2

0.126

  ECW/ICW

0.597 ± 0.015

0.601 ± 0.014

0.028

0.598 ± 0.015

0.602 ± 0.014

0.048

  ECW/TBW

0.374 ± 0.006

0.375 ± 0.006

0.028

0.374 ± 0.006

0.376 ± 0.005

0.047

 Female

  BFM (kg)

15.0 ± 3.1

17.5 ± 5.9

<0.001

15.1 ± 3.1

15.8 ± 5.0

0.264

  SMM (kg)

21.1 ± 2.0

21.6 ± 2.6

0.062

21.2 ± 2.0

20.8 ± 2.3

0.159

  BFM percentage (%)

27.1 ± 5.6

29.8 ± 6.3

<0.001

27.0 ± 5.9

28.6 ± 5.9

0.077

  SMM percentage (%)

38.8 ± 4.6

37.5 ± 5.3

0.021

38.7 ± 4.9

38.1 ± 5.1

0.363

  ICW

17.7 ± 1.5

18.1 ± 2.0

0.068

17.8 ± 1.6

17.5 ± 1.7

0.152

  ECW

10.9 ± 1.0

11.2 ± 1.2

0.006

10.9 ± 1.0

10.9 ± 1.1

0.546

  TBW

28.6 ± 2.5

29.3 ± 3.2

0.028

28.8 ± 2.5

28.3 ± 2.8

0.260

  ECW/ICW

0.615 ± 0.013

0.622 ± 0.013

<0.001

0.615 ± 0.013

0.622 ± 0.013

<0.001

  ECW/TBW

0.381 ± 0.005

0.383 ± 0.005

<0.001

0.381 ± 0.005

0.383 ± 0.005

<0.001

  1. Data shown are the means ± SDs. After matching, the data shown are the means ± SDs. SC sasang constitution, SY so-yang, non-SY Tae-Eum and So-Eum, BFM body fat mass, SMM: skeletal muscle mass ICW intracellular water, ECW extracellular water, TBW, total body water