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Volume 26, Number 3—March 2020
Research

Mycobacterium tuberculosis Beijing Lineage and Risk for Tuberculosis in Child Household Contacts, Peru

Chuan-Chin Huang1, Alexander L. Chu1, Mercedes C. Becerra, Jerome T. Galea, Roger Calderón, Carmen Contreras, Rosa Yataco, Zibiao Zhang, Leonid Lecca, and Megan B. MurrayComments to Author 
Author affiliations: Brigham and Women’s Hospital, Boston, Massachusetts, USA (C.-C. Huang, M.C. Becerra, Z. Zhang, M.B. Murray); Harvard Medical School, Boston (C.-C. Huang, M.C. Becerra, M.B. Murray); Harvard University Division of Continuing Education, Cambridge, Massachusetts, USA (A.L. Chu); University of South Florida, Tampa, Florida, USA (J.T. Galea); Socios En Salud Sucursal, Lima, Peru (R. Calderon, C. Contreras, R. Yataco, L. Lecca)

Main Article

Table 2

Baseline characteristics of household contacts exposed to a Mycobacterium tuberculosis culture-positive index tuberculosis patient, Lima, Peru, September 2009–August 2012

Variable Total no. (%), N = 9,151* Age <15 y, no. (%) Age >15 y, no. (%)
Age, y
<15 3,225 (35) 3,225 (100) Not applicable
>15
 5,926 (65)
 Not applicable
 5,926 (100)
Sex
M 4,147 (45) 1,620 (50) 2,527 (43)
F
 5,004 (55)
 1,605 (50)
 3,399 (53)
Concurrent condition
HIV seropositive 33 (<1) 3 (<1) 30 (1)
Self-reported diabetes 165 (2) 2 (<1) 163 (3)
Current smoker
 559 (6)
 4 (<1)
 555 (10)
M. tuberculosis lineage exposure
L2 (Beijing) 1,041 (11) 349 (11) 692 (12)
L4.1 3,733 (41) 1,332 (41) 2,401 (41)
L4.3 3,416 (37) 1,202 (37) 2,214 (37)
Other
 961 (11)
 342 (11)
 619 (10)
Presence of M. bovis BCG vaccination scar
 8,110 (89)
 2,876 (89)
 5,253 (89)
Nutritional status
Normal weight 5,261 (58) 2,527 (79) 2,734 (47)
Underweight 163 (2) 95 (3) 68 (1)
Overweight
 3,636 (40)
 565 (18)
 3,071 (52)
Socioeconomic status
Low 3,112 (35) 1,253 (40) 1,859 (33)
Middle 3,991 (45) 1,384 (44) 2,607 (45)
High
 1,828 (21)
 514 (16)
 1,314 (23)
Isoniazid preventive therapy recipient 2,090 (23) 1,542 (48) 490 (7)

*Numbers might not add to total because of missing data.

Main Article

1These authors contributed equally to this article.

Page created: February 20, 2020
Page updated: February 20, 2020
Page reviewed: February 20, 2020
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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