Table 1 Basic characteristics (n=24,850)

Policy

Before

12,145

48.87

After

12,705

51.13

 Sex

Male

11,612

46.75

Female

13,228

53.25

 Age (years)

45-50

4,329

17.42

51-60

8,594

34.58

61-70

7,510

30.22

≥71

4,417

17.77

 Education

Illiterate

7,606

30.62

≤Elementary school

11,238

45.25

≥Middle school

5,992

24.13

 Economic status

Low

6,147

25.01

Middle

12,289

50.01

High

6,139

24.98

 Living status

Live with others

19,607

78.90

Live alone

5,242

21.10

 Sleeping hours

7-8 hours

8,932

35.94

≤6 hours

12,499

50.30

>8 hours

3,419

13.76

 Smoking status

No

14,555

73.04

Yes

5,373

26.96

 Alcohol consumption

No

16,791

67.62

Yes

8,042

32.38

 Disability

No

17,341

80.97

Yes

4,075

19.03

 Body pain

No

12,807

51.54

Yes

12,043

48.46

 Chronic diseases

No

11,134

44.80

Yes

13,716

55.20