Development of a Predictive Model of Tuberculosis Transmission among Household Contacts

Table 2

Demographic data of household contacts.

Characteristic	Household contacts (n = 3417)
Age stratum (years), n (%)
0–10	500 (14.6)
10–20	625 (18.3)
20–30	602 (17.6)
30–40	673 (19.7)
40–50	385 (11.3)
50–60	329 (9.6)
60–70	174 (5.1)
>70	118 (3.5)
Unknown	11 (0.2)
Male, n (%)	1698 (49.7)
Previous TB history, n (%)	583 (17.1)
HIV positive, n (%)	20 (0.6)
Coexisting diabetes, n (%)	41 (1.2)
Completed secondary education, n (%)	1540 (45.1)
Employment status, n (%)
Unemployed	825 (24.1)
Working	1348 (39.4)
Student	883 (25.9)
Unknown	361 (10.6)
Index-contact case sleeping in the same room, n (%)	640 (18.7)
Second cases of TB, n (%)	149 (4.4)

TB, tuberculosis; HIV, human immunodeficiency virus.