Table 1. Characteristics of the 953 infected contacts (close and frequent contacts) detected through contact tracing of sputum smear-positive pulmonary tuberculosis cases.
Barcelona 2008–2016.
| n (%) | ||
|---|---|---|
| Age | <5 years | 11 (1.2) |
| 5–14 years | 66 (6.9) | |
| 15–39 years | 483 (50.7) | |
| ≥40 years | 392 (41.1) | |
| Unknown | 1 (0.1) | |
| Sex | Men | 545 (57.2) |
| Women | 408 (42.8) | |
| Country of origin | Spain | 399 (41.9) |
| Foreign-born | 539 (56.5) | |
| Unknown | 15 (1.6) | |
| Type of contact | Close | 792 (83.1) |
| Frequent | 161 (16.9) | |
| Setting | Home | 735 (77.1) |
| Community | 218 (22.9) | |
| TST/IGRA Conversion | Yes | 92 (9.7) |
| No | 861 (90.3) | |
| Smoking habit | Yes | 244 (25.6) |
| No | 481 (50.5) | |
| Missing | 228 (23.9) | |
| DM | Yes | 53 (5.6) |
| No | 732 (76.8) | |
| Missing | 168 (17.6) | |
| HIV infection | Yes | 3 (0.3) |
| No | 788 (82.7) | |
| Missing | 162 (17.0) | |
| Alcohol abuse | Yes | 49 (5.1) |
| No | 668 (70.1) | |
| Missing | 236 (24.8) | |
| Prescription and completion of LTBI treatment | Completers | 518 (54.4) |
| No prescription | 238 (25.0) | |
| Non-completers | 72 (7.6) | |
| Missing | 125 (13.1) |
TST/IGRA conversion: conversion in tuberculin screen test or IGRA seroconversion; DM: diabetes mellitus; LTBI: latent tuberculosis infection