Table 1 Characteristics of study participants

Age (years)

0-4

318

3.6

5-14

656

7.4

15-59

6 472

72.9

60+

1 429

16.1

Urban/Rural

Urban

4 285

48.3

Rural

4 590

51.7

Gender

Male

3 838

43.2

Female

5 037

56.8

Ethnicity

Han

8 845

99.7

Other

30

0.3

Occupation

Worker

2 332

29.5

Farmer

3 208

40.6

Student

1 155

14.6

Civil servant

516

6.5

Health worker

20

0.3

Service worker

201

2.5

Other

469

5.9

Education

Illiterate

2 119

26.8

Primary school

1 318

16.7

Middle school

2 078

26.3

High school

1 304

16.5

College

1 082

13.7

Marriage status

Unmarried

1 186

15.0

Married

6 173

78.1

Dissociation/Loss of spouse

542

6.9

Vaccinated (0-14)

Yes

807

82.9

No

167

17.1

Vaccinated (15-59)

Yes

1 934

29.9

Variable

Frequency

Percentage

No

4 538

70.1

Vaccinated (60+)

Yes

83

5.8

No

1 346

94.2