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Table 2 Relation of emotional well-being with working hours and risk factors

From: Long Working Hours and Emotional Well-Being in Korean Manufacturing Industry Employees

Variables

WHO (five) well-being index

Low mood group

Possible depression group

 

OR *

95% CI **

OR *

95% CI **

Weekly working hours

    

Reference time(35–47)

1

 

1

 

Long time1(48 ~ 52)

0.82

0.53 - 1.26

1.36

0.82 - 2.26

Long time2(53–60)

1.26

0.78 - 2.05

2.94

1.54 - 5.59

Long time3(≥61)

1.03

0.41 - 2.58

4.35

2.18 - 8.67

Gender

    

Female

1

 

1

 

Male

1.14

0.63 - 2.04

1.12

0.64 - 1.96

Age

    

<30

1

 

1

 

30 - 39

1.27

0.63 - 2.57

0.78

0.41 - 1.47

40 - 49

1.87

0.96 - 3.65

1.00

0.49 - 2.04

≥50

1.69

0.79 - 3.64

0.97

0.42 - 2.24

Level of education

    

Above college

1

 

1

 

Graduate high school

1.04

0.69 - 1.56

1.50

0.94 - 2.39

Below middle school

0.52

0.22 - 1.21

2.01

0.86 - 4.72

Smoking

    

Ex-smoker or never smoker

1

 

1

 

Present smoker

1.20

0.78 - 1.83

1.19

0.77 - 1.85

Alcohol drinking

    

No or social drinker

1

 

1

 

High risk drinker

0.67

0.41 - 1.12

1.08

0.65 - 1.81

Diagnosed obesity

    

No

1

 

1

 

Yes

0.37

0.11 - 1.27

0.29

0.07 - 1.25

Physical activity††

    

More than 3 days a week

1

 

1

 

No or not enough

1.97

1.12 - 3.45

1.79

0.99 - 3.24

Average net monthly income(Korean Won)

   

≥3,000,000

1

 

1

 

2,000,000-2,999,999

1.06

0.63 - 1.78

0.99

0.52 - 1.9

1,000,000 ~ 1,999,999

1.11

0.61 - 2.03

1.09

0.53 - 2.24

< 1,000,000

1.53

0.74 - 3.15

0.45

0.19 - 1.10

Company size(no. of employee)

   

≥300

1

 

1

 

50-299

0.60

0.33 - 1.08

0.56

0.27 - 1.17

5-49

1.04

0.62 - 1.75

0.61

0.31 - 1.22

<5

0.97

0.40 - 2.34

0.30

0.10 - 0.96

Shift work

    

No

1

 

1

 

Yes

1.16

0.68 - 1.98

1.36

0.82 - 2.26

  1. *Odds ratio in multinomial logistic regression analysis by proc surveylogistic, **confidence interval in multinomial logistic regression analysis, reference group: who (five) well-being index score from 51 to 100, ††physical activity: sports, outdoor exercise, cultural activity, leisure activity, etc.