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Table 1 The sociodemographic characteristics of the study population

From: The association between Korean workers’ presenteeism and psychosocial factors within workplaces

Characteristics

N

%

Sex

Male

17,812

60.9

Female

11,434

39.1

Age (years)

15–29

5,101

17.4

30–49

17,272

59.1

≥50

6,873

23.5

Smoking

Never

15,639

53.5

Quit

3,230

11.0

Current

10,377

35.5

Drinking

No

6,184

21.1

≤1/week

15,050

51.5

≥2/week

8,012

27.4

Education

Below Middle School

2,750

9.4

High School

10,193

34.9

College and beyond

16,304

55.7

Income (10,000won/month)

<100

2,339

8.0

100–199

10,909

37.3

200–299

9,113

31.2

≥300

6,880

23.5

Job type

Professional

2,541

8.7

Office

9,467

32.4

Service

7,426

25.4

Manual

9,813

33.6

Employment contract

Full time

27,683

94.7

Part time

1,563

5.3

Work schedule

Nonshift

26,448

90.4

Shift

2,799

9.6

Working hours/week

<35

1,557

5.3

35–45

11,133

38.1

≥45

16,557

56.6