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Table 2 Association between sedentary time and poor sleep quality

From: Association between sedentary time and sleep quality based on the Pittsburgh Sleep Quality Index among South Korean adults

Variables

Poor sleep quality (PSQI > 5)

Men

Women

OR

95% CI

OR

95% CI

Total

 Sedentary time (hours/day)

  ≤3.9

1.00

   

1.00

   

  4.0-5.9

1.12

(1.08

–

1.16)

1.06

(1.03

–

1.10)

  6.0-7.9

1.19

(1.14

–

1.25)

1.12

(1.08

–

1.16)

  ≥8.0

1.30

(1.25

–

1.34)

1.22

(1.18

–

1.26)

 Age

  19-29

1.00

   

1.00

   

  30-39

1.28

(1.20

–

1.36)

1.15

(1.09

–

1.22)

  40-49

1.29

(1.21

–

1.37)

1.07

(1.02

–

1.13)

  50-59

1.33

(1.25

–

1.42)

1.32

(1.25

–

1.40)

  60-69

1.35

(1.26

–

1.44)

1.39

(1.30

–

1.47)

  ≥70

1.47

(1.37

–

1.58)

1.53

(1.43

–

1.63)

 Marital status

  Living with spouse

1.00

   

1.00

   

  Living without spouse

1.36

(1.31

–

1.41)

1.08

(1.05

–

1.11)

 Occupational categoriesa

  White

1.00

   

1.00

   

  Pink

1.02

(0.96

–

1.07)

1.07

(1.02

–

1.12)

  Blue

1.07

(1.03

–

1.12)

1.08

(1.03

–

1.13)

  Inoccupation

1.18

(1.12

–

1.24)

1.28

(1.23

–

1.33)

 Educational level

  Middle shool or lower

1.00

   

1.00

   

  High school

0.91

(0.87

–

0.94)

0.89

(0.86

–

0.93)

  College or higher

0.87

(0.83

–

0.92)

0.80

(0.77

–

0.84)

 Household income

  Low

1.00

   

1.00

   

  Mid-low

0.90

(0.87

–

0.94)

0.91

(0.88

–

0.94)

  Mid-high

0.82

(0.79

–

0.86)

0.85

(0.82

–

0.88)

  High

0.81

(0.77

–

0.85)

0.85

(0.82

–

0.89)

 Smoking status

    

1.00

   

  Current smokers

1.00

   

1.00

   

  Past smokers

1.00

(0.97

–

1.04)

0.90

(0.81

–

1.00)

  Nonsmokers

0.87

(0.84

–

0.90)

0.64

(0.59

–

0.68)

 Drinking status

  Yes

1.00

   

1.00

   

  No

0.95

(0.92

–

0.98)

0.90

(0.87

–

0.92)

 Walking frequentlyb

  Yes

1.00

   

1.00

   

  No

1.03

(1.00

–

1.06)

1.05

(1.02

–

1.07)

 Obesity status (BMI)c

  Underweight & normal range

1.00

   

1.00

   

  Overweight

0.97

(0.89

–

1.06)

0.99

(0.93

–

1.06)

  Obese

0.92

(0.84

–

1.00)

0.96

(0.90

–

1.02)

 The number of chronic diseasesd

  0

1.00

   

1.00

   

  1

1.04

(1.01

–

1.08)

1.05

(1.01

–

1.08)

  2

1.07

(1.02

–

1.13)

1.08

(1.03

–

1.14)

 Perceived health statuse

  Yes

1.00

   

1.00

   

  No

1.73

(1.68

–

1.78)

1.85

(1.80

–

1.90)

 Perceived stress

  Less

1.00

       

  More

0.44

(0.43

–

0.46)

0.39

(0.38

–

0.41)

  1. a Three groups (white, pink, blue) based on the International standard classification occupations codes. Inoccupation group includes housewives
  2. b Walking frequency: Based on the recommended walking volume according to the physical activity guidelines in Korea
  3. c BMI : Body mass index/obesity status defined by BMI based on the 2018 clinical practice guidelines for overweight and obesity in korea
  4. d Chronic disease was defined as diagnosed diseases: hypertension, diabetes. The number of chronic diseases is the sum of the number of diagnosed above diseases the sum of the number of diagnosed above diseases
  5. e Perceived health status was classified the respondents of ‘very good’ and ‘good’ as ‘Yes’ and of ‘normal’, ‘bad’, and ‘very bad’ as ‘No’ group
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BMC Public Health

ISSN: 1471-2458

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