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Table 2 Characteristics of the sample, missing data, ESS scores and analysis of subjects with EDS

From: Excessive daytime sleepiness assessed by the Epworth Sleepiness Scale and its association with health related quality of life: a population-based study in China

Characteristic

Subjects [n (%)]

Subjects with missing data n (%)

Total ESS Score (n=2906)

Subjects with EDS (ESS>10)

n (%)

Multivariate analysis

Median (Q1,Q3)

Mean (SD)

 

Odds ratio (95%CI)

p-value

Region

Urban

1585(49.32)

41(2.59)

6.00(3.00,10.00)

6.74(4.93)

339(21.96)

1.00

 

Rural

1629(50.68)

267(16.39)

6.00(2.00,10.00)

6.77(5.31)

305(22.39)

1.05(0.86,1.27)

0.65

Gender

Female

1678(52.21)

175(10.43)

6.00(2.00,10.00)

6.73(5.17)

336(22.36)

1.00

 

Male

1536(47.79)

133(8.66)

6.00(3.00,10.00)

6.77(5.05)

308(21.95)

0.97(0.81,1.17)

0.77

Age(years)

18~29

749(23.30)

32(4.27)

6.00(4.00,10.00)

7.03(4.64)

161(22.45)

1.00

 

30~39

736(22.90)

41(5.57)

6.00(3.00,10.00)

6.8(4.95)

153(22.01)

0.94(0.72,1.22)

0.63

40~49

757(23.55)

69(9.11)

6.00(2.00,10.00)

6.43(5.23)

148(21.51)

0.90(0.68,1.19)

0.47

50~59

486(15.12)

62(12.76)

6.00(2.00,9.50)

6.4(5.24)

83(19.58)

0.71(0.51,0.98)

0.04

60~80

486(15.12)

104(21.40)

6.00(2.00,11.00)

7.1(5.82)

99(25.92)

0.80(0.56,1.15)

0.23

Education

Primary school or lower

571(17.77)

147(25.74)

7.00(3.00,11.00)

7.33(5.78)

124(29.25)

1.00

 

Secondary/high school

1993(62.01)

152(7.63)

6.00(3.00,9.00)

6.43(4.95)

348(18.90)

0.57(0.44,0.76)

<0.01

University or higher

650(20.22)

9(1.38)

7.00(3.00,11.00)

7.31(5.01)

172(26.83)

0.95(0.67,1.35)

0.77

Occupation

Office worker

912(28.44)

27(2.96)

6.00(3.00,10.00)

6.72(4.81)

197(22.26)

1.00

 

Manual worker

2295(71.56)

281(12.24)

6.00(3.00,10.00)

6.76(5.25)

444(22.05)

1.07(0.86,1.34)

0.55

BMI

18.5-23.9

1872(58.35)

153(8.17)

6.00(3.00,10.00)

6.44(4.92)

348(20.24)

1.00

 

<18.5

296(9.23)

35(11.82)

7.00(4.00,10.00)

7.15(4.88)

61(23.37)

1.12(0.81,1.54)

0.50

24.0-27.9

810(25.25)

94(11.60)

7.00(3.00,10.00)

7.17(5.41)

173(24.16)

1.23(0.99,1.53)

0.06

>=28.0

230(7.17)

25(10.87)

7.00(3.00,12.00)

7.34(5.57)

62(30.24)

1.64(1.18,2.29)

<0.01

Chronic diseases*

No

2382(74.11)

186(7.81%)

6.00(3.00,10.00)

6.64(4.97)

455(20.72)

1.00

 

Yes

832(25.89)

122(14.66)

6.00(3.00,11.00)

7.08(5.52)

189(26.62)

1.36(1.08, 1.70)

<0.01

  1. *Chronic diseases: including hypertension, diabetes, cerebrovascular diseases, liver diseases, renal diseases, chronic bronchitis, and rheumatoid arthritis.