Table 2 Demographic characteristics of study participants according to body fat status.

From: Interactive effects of sleep duration and dietary patterns on obesity moderated by age

 

Normal body fat a

Excessive body fat b

p-value

n = 5679

n = 21,794

n

 

n

n

Sex

 

%

  

< 0.001

 Female

558

9.83

15,024

87.76

 

 Male

5121

90.17

6770

12.24

 

AGE

    

< 0.001

 18–30

925

16.29

1352

6.20

 

 31–40

2851

50.20

4653

21.35

 

 41–50

1587

27.95

5609

25.74

 

 51–60

280

4.93

5787

26.55

 

 ≥60

36

0.63

4393

20.16

 

Smoke

    

< 0.001

 NO

4093

72.07

19,126

87.76

 

 YES

1586

27.93

2668

12.24

 

Sport

    

< 0.001

 NO

2926

51.52

9721

44.60

 

 YES

2753

48.48

12,073

55.40

 

Drinking

    

< 0.001

 < 1 time/week

4500

79.24

19,494

89.31

 

 ≥ 1–2 times/week

1179

20.76

2330

10.69

 

Sleep duration

    

< 0.001

  ≥ 7 h

4621

81.37

15,869

72.81

 

 < 7 h

1058

18.63

5925

27.19

 

Body fat

     

 Normal

     

 Excessive

     

BMI

    

< 0.001

 < 27

5051

88.94

10,404

47.74

 

 ≥ 27

628

11.06

11,390

52.26

 

Education

    

< 0.001

 Below College

2501

44.04

15,708

72.07

 

 College or above

3178

55.96

6086

27.93

 

Laboratory values

MEAN

SD

MEAN

SD

 

TG

200.55

1.15

174.81

0.58

< 0.001

TC

200.80

0.47

207.68

0.25

< 0.001

HDL

42.33

0.12

47.99

0.08

< 0.001

LDL

120.33

32.74

126.26

33.02

< 0.001

  1. Note: a Normal body fat: Male < 25%; Female < 30%. b Excessive body fat: Male ≥ 25%; Female ≥ 30%.
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