Variables

n

Percentage %

Age (baseline)

18 - 29

109

26.4

30 - 39

230

55.7

40 - 49

32

7.8

50 - 59

31

7.5

60~

11

2.7

Ethnicity

Han

412

99.8

Other

1

0.2

Family members

3

45

10.9

4

135

32.7

5

112

27.1

6

84

20.3

>6

36

8.7

Missing

1

0.2

Biomass use

413

100.0

Cooking

405

98.1

Everyday cooking time (hrs)

<2

105

25.4

2~

263

63.7

4~

39

9.4

6~

6

1.5

Smoking

0

0

Passive smoking

289

70.0

History of diagnosed chronic diseases (%)

Rhinitis

3

0.7

Faucitis

2

0.5

Tuberculosis

2

0.5

Asthma

1

0.2

Emphysema

0

0

Chronic bronchitis

9

2.2

Hypertension

12

2.9

Heart disease

14

4.1

Allergy

4

1.0