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Table 1 Baseline information according to self-reported total sleep duration among general participants

From: Association of sleep duration with stroke, myocardial infarction, and tumors in a Chinese population with metabolic syndrome: a retrospective study

 

ALL (n = 8968)

Sleep duration (h)

P value

< 6 (n = 280)

6–7 (n = 950)

7–8 (n = 4785)

8–9 (n = 2114)

> 9 (n = 839)

Age, years

56.7 ± 7.7

57.5 ± 7.4

56.4 ± 7.2

57.5 ± 8.8

57.3 ± 8.1

58.1 ± 8.6

< 0.001

Male, %

34.7 (3111)

35.0 (98)

31.9 (303)

34.4 (1648)

35.8 (756)

36.5 (306)

0.225

Waist circumference, cm

83.8 ± 8.9

84.9 ± 9.4

84.4 ± 9.2

86.0 ± 9.9

83.6 ± 8.7

84.1 ± 9.1

0.006

Hip circumference, cm

94.4 ± 6.9

95.4 ± 7.2

95.2 ± 7.0

97.0 ± 7.8

94.0 ± 6.7

93.8 ± 7.1

< 0.001

BMI, kg/m2

25.7 ± 3.4

26.0 ± 3.3

26.0 ± 3.5

24.7 ± 3.7

25.7 ± 3.4

25.8 ± 3.6

0.032

Stroke history, %

2.8 (250)

4.3 (12)

3.4 (32)

2.4 (113)

2.9 (62)

3.7 (31)

0.051

Myocardial infarction history, %

1.1 (102)

1.4 (4)

1.2 (11)

0.9 (42)

1.4 (30)

1.8 (15)

0.102

Tumor history, %

2.0 (183)

1.8 (5)

2.0 (19)

1.9 (89)

2.4 (50)

2.4 (20)

0.647

Smoking habits

      

0.606

 Regular smoker, %

16.2 (1449)

16.4(46)

16.6 (158)

16.2 (777)

15.6 (330)

16.4 (138)

 

 Sometimes smoker, %

2.2 (197)

3.6 (10)

2.5 (24)

2.3 (110)

1.8 (39)

1.7 (14)

 Never smoker, %

81.6 (7322)

80.0 (224)

80.8 (768)

81.5 (3898)

82.5 (1745)

81.9 (687)

Drinking habits

      

0.297

 Regular drinker, %

10.2 (916)

11.1 (31)

11.6 (110)

9.7 (466)

10.1 (214)

11.3 (95)

 

 Sometimes drinker, %

18.9 (1698)

20.7 (58)

17.8 (169)

19.7 (945)

17.9 (379)

17.5 (147)

 

 Never drinker, %

70.9 (6354)

68.2 (191)

70.6 (671)

70.5 (3374)

71.9 (1521)

71.2 (597)

 

Depression symptoms

      

< 0.001

 Mild depression, %

5.6 (504)

12.1 (34)

7.6 (72)

4.9 (233)

5.2 (110)

6.6 (55)

 

 Moderate or severe depression, %

1.1 (97)

3.9 (11)

1.1 (10)

0.9 (42)

0.9 (18)

1.9 (16)

 

Physical activity, %

9.8 (875)

10.7 (30)

8.8 (84)

10.2 (488)

9.1 (193)

9.5 (80)

0.518

Abnormal glucose metabolism, %

47.0 (4217)

47.1 (132)

46.1 (438)

44.9 (2149)

49.4 (1045)

54.0 (453)

< 0.001

Overweight (BMI ≥ 25), %

57.0 (5108)

65.0 (182)

58.6 (557)

55.8 (2672)

56.1 (1186)

60.9 (511)

0.002

Hypertension, %

44.8 (4019)

43.6 (122)

43.7 (415)

42.4 (2029)

48.5 (1026)

50.9 (427)

< 0.001

Abnormal lipid metabolism, %

33.2 (2974)

30.0 (84)

31.5 (299)

32.3 (1546)

34.0 (719)

38.9 (326)

0.002

Metabolic syndrome, %

30.7 (2754)

31.4 (88)

30.0 (285)

28.6 (1368)

32.6 (690)

38.5 (323)

< 0.001

HbA1c, %

5.8 (5.5, 6.3)

5.9 (5.5, 6.3)

5.9 (5.6, 6.4)

5.8 (5.5, 6.3)

5.9 (5.5, 6.3)

5.9 (5.5, 6.4)

0.002

SBP, mmHg

131.9 ± 17.7

131.6 ± 16.8

131.1 ± 15.8

131.9 ± 20.3

133.0 ± 18.8

133.9 ± 18.8

< 0.001

DBP, mmHh

75.9 ± 12.9

74.9 ± 8.9

75.6 ± 9.7

77.6 ± 10.9

76.2 ± 15.0

75.7 ± 10.1

0.452

TGs, mmol/L

1.33 (0.97, 1.87)

1.27 (0.97, 1.82)

1.28 (0.96, 1.83)

1.33 (0.97, 1.88)

1.36 (0.96, 1.90)

1.36 (0.99, 1.88)

0.006

TC, mmol/L

5.23 ± 1.00

5.19 ± 0.89

5.24 ± 0.98

5.12 ± 1.13

5.21 ± 0.95

5.27 ± 1.05

0.585

HDL, mmol/L

1.44 ± 1.63

1.44 ± 0.38

1.44 ± 0.37

1.33 ± 0.34

1.40 ± 0.35

1.40 ± 0.34

0.555

LDL, mmol/L

3.20 ± 0.81

3.14 ± 0.76

3.20 ± 0.81

3.02 ± 0.89

3.20 ± 0.78

3.23 ± 0.87

0.493

FBG, mmol/L

5.32 (4.93, 6.03)

5.32 (4.93, 6.00)

5.32 (4.92, 6.05)

5.28 (4.91, 5.96)

5.37 (4.94, 6.10)

5.41 (5.01, 6.27)

0.001

PBG, mmol/L

7.98 (6.46, 10.66)

8.18 (6.42, 10.93)

7.89 (6.46, 10.51)

7.92 (6.45, 10.50)

8.15 (6.49, 11.03)

8.20 (6.51, 10.96)

< 0.001

  1. Data were presented % (n), mean (standard deviation), or median (25–75 percentile)
  2. Abbreviation: BMI Body mass index; HbA1c Glycosylated hemoglobin A1c; SBP Systolic blood pressure; DBP Diastolic blood pressure; TGs Triglycerides; TC Total cholesterol; HDL High density lipoprotein; LDL Low density lipoprotein; FBG Fasting blood glucose; PBG Postprandial blood glucose