Development of a Predictive Model of Tuberculosis Transmission among Household Contacts
Table 1
Demographic data of index TB patients.
Characteristic
Index patients (n = 700)
Mean age, (years)
33
Male, n (%)
273 (39.0)
Alcohol use (≥one unit/day), n (%)
79 (11.3)
Tobacco use (any cigarettes/week), n (%)
108 (15.4)
Previous TB history, n (%)
130 (18.6)
HIV positive, n (%)
38 (5.4)
Coexisting diabetes, n (%)
40 (5.7)
Socioeconomic status,n (%)
1
288 (41.1)
2
210 (30.0)
3
202 (28.9)
Completed secondary education, n (%)
417 (59.6)
Employment status, n (%)
Unemployed
378 (54.0)
Working
235 (33.6)
Student
84 (12.0)
Unknown
3 (0.4)
Spoligotype family (SpolDB4 database), n (%)
Haarlem
143 (20.4)
Beijing
72 (10.3)
Latin American Mediterranean
92 (13.2)
T
143 (20.4)
Other Euro-American
61 (8.7)
Orphan/no family
75 (10.7)
Unknown (no data)
114 (16.3)
Mean cough duration (weeks)
6.3
History of hospitalization, n (%)
89 (12.7)
Any side effects of treatment, n (%)
351 (50.1)
Sputum smear grade, n (%)
0
67 (9.6)
1
197 (28.1)
2
180 (25.7)
3
234 (33.4)
Unknown
22 (3.2)
MDRTB patient, n (%)
213 (30.4)
Divided into three levels based on the scoring system used in the Peruvian National Census; “Other Euro-American” includes strains from the S family, the X family, and strains that were present in the SpolDB4 database but had not been assigned a family yet [3]. TB, tuberculosis; HIV, human immunodeficiency virus; MDRTB, multidrug-resistant tuberculosis.
