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Table 1 Characteristics of participants

From: Relationship between self-reported sleep quality and metabolic syndrome in general population

 

Male (n = 549)

Female (n = 932)

p value

Age, y

57.1 ± 14.4

57.9 ± 13.6

0.246

BMI, kg/m2

23.6 ± 2.9

22.9 ± 3.4

<0.001

Sleep duration, min/day

461 ± 76

430 ± 68

<0.001

Current drinker

402 (73.2)

222 (23.8)

<0.001

Current smoker

198 (36.1)

89 (9.5)

<0.001

Exercise habits

156 (28.4)

244 (26.2)

0.349

Depression

83 (15.1)

218 (23.4)

<0.001

Metabolic syndrome

105 (19.1)

63 (6.8)

<0.001

Abdominal obesity

262 (47.7)

187 (20.1)

<0.001

Hypertension

322 (58.7)

476 (51.1)

0.005

Impaired fasting glucose

79 (14.4)

70 (7.5)

<0.001

Dyslipidemia

154 (28.1)

190 (23.4)

0.001

Global PSQI score, points

2.8 ± 2.0

3.4 ± 2.3

<0.001

0-1

152 (27.7)

191 (20.5)

 

2-3

231 (42.1)

364 (39.1)

 

4-5

114 (20.8)

244 (26.2)

 

6-7

34 (6.2)

80 (8.6)

 

8-9

12 (2.2)

31 (3.3)

 

10-11

4 (0.7)

14 (1.5)

 

12-13

2 (0.4)

5 (0.5)

 

14-15

0 (0.0)

3 (0.3)

 

16-21

0 (0.0)

0 (0.0)

 
  1. Data are presented as mean ± standard deviation or number (%).
  2. The chi-square statistical test for nominal variables and one-way analysis of variance for continuous variables were performed to assess whether there were significant differences among the groups stratified by sex.
  3. Abbreviations: BMI, body mass index.