Table 1 Sociodemographic factors and Psychological well-being

Total

19,879

7,200 (36.2)

12,679 (63.8)

Gender

Male

5,963

2,071 (34.7)

3,892 (65.3)

0.004*

Female

13,916

5,129 (36.9)

8,787 (63.1)

Age

<29

3,781

1,219 (32.2)

2,562 (67.8)

<0.001*

30–39

5,705

1,818 (31.9)

3,887 (68.1)

40–49

5,710

2,090 (36.6)

3,620 (63.4)

50–59

3,115

1,288 (41.3)

1,827 (58.7)

>60

1,568

785 (50.1)

783 (49.9)

Education

Middle school or lower

2,502

1,277 (51.0)

1,225 (49.0)

<0.001*

High school

7,700

3,019 (39.2)

4,681 (60.8)

Junior college

3,620

1,183 (32.7)

2,437 (67.3)

College or higher

6,057

1,721 (28.4)

4,336 (71.6)

Monthly income (KRW)^a

<1 million

4,032

1,707 (42.3)

2,325 (57.7)

<0.001*

1–2 million

9,137

3,369 (36.9)

5,768 (63.1)

2–3 million

3,913

1,331 (34.0)

2,582 (66.0)

>3 million

2,789

790 (28.3)

1,999 (71.7)

Balancing income and expenses

Difficult

4,175

942 (22.6)

3,233 (77.4)

<0.001*

Somewhat difficult

5,625

1,753 (31.2)

3,872 (68.8)

Somewhat easy

6,914

2,957 (42.8)

3,957 (57.2)

Easy

3,165

1,548 (48.9)

1,617 (51.1)

Marital status

not married

11,362

4,192 (36.9)

7,170 (63.1)

0.023**

married

8,517

3,008 (35.3)

5,509 (64.7)

Self-rated physical health

very bad

39

23 (59.0)

16 (41.0)

<0.001*

bad

605

425 (70.2)

180 (29.8)

moderate

5,158

2,620 (50.8)

2,538 (49.2)

good

11,957

3,688 (30.8)

8,269 (69.2)

very good

2,120

444 (20.9)

1,676 (79.1)

Hypertension

no

18,906

6,782 (35.9)

12,124 (64.1)

<0.001**

yes

973

428 (43.0)

555 (57.0)

Obesity

no

19,520

7,054 (36.1)

12,466 (63.9)

0.085**

yes

359

146 (40.7)

213 (59.3)