Table 1 Demographic characteristics of participating household contacts

Total

109

194

Gender

Female

65

(60%)

113

(58%)

Median age, years (IQR)

35

(18–50)

33

(20–49)

Region of Vietnam

North

19

(17%)

16

(8%)

Centre

20

(18%)

40

(21%)

South

70

(64%)

138

(71%)

Setting

Rural

52

(48%)

81

(42%)

Urban

57

(52%)

113

(58%)

Prior TB history

10

(9%)

10

(5%)

Relationship to TB patient

Parent

17

(16%)

35

(18%)

Spouse

31

(28%)

59

(30%)

Child

39

(36%)

64

(33%)

Sibling

7

(6%)

18

(9%)

Other relative

15

(14%)

18

(9%)

Highest education level^#

No schooling

4

(4%)

16

(8%)

Primary (grades 1–5)

26

(25%)

50

(26%)

Secondary (grades 6)

29

(28%)

55

(29%)

High school (grades 7+)

32

(31%)

45

(24%)

Tertiary

10

(10%)

17

(9%)

Vocational training

3

(3%)

7

(4%)

Current occupation^¶

Full time employee

14

(16%)

31

(20%)

Unemployed

7

(8%)

10

(6%)

Student

20

(22%)

41

(26%)

Part time employee

0

(0%)

2

(1%)

Retired

9

(10%)

9

(6%)

Self-employed

39

(44%)

63

(40%)

Monthly income^**

<$25 / month

21

(26%)

32

(23%)

$25 to $250 / month

52

(64%)

97

(71%)

> $250 / month

8

(10%)

8

(6%)