Tuesday, July 22, 2025

Tuberculosis in Jakarta

A case-control study aimed to explore the role of housing conditions and interpersonal contact in the spread of pulmonary tuberculosis (TB) among adult patients at the Ciracas Primary Health Center. The researchers focused on key environmental risk factors, notably residential density and direct contact with TB patients, given their suspected influence on TB transmission in high-density urban settings.

The methodology was well-structured for the research question. By employing a case-control design, the study efficiently compared patients diagnosed with TB (cases) and those without TB (controls). The matching technique—both frequency and individual—helped control for major confounders such as age, sex, and contact history. Data collection combined clinical records and validated questionnaires to ensure both reliability and validity of findings.

Results confirmed that high housing density and previous contact with TB patients were strongly associated with TB infection. Interestingly, despite high levels of TB-related knowledge among TB patients, this did not correlate with a lower risk of infection. Similarly, sociodemographic traits, although descriptively different between groups, were not statistically associated with TB risk.

These findings underscore the importance of environmental and behavioral interventions in TB control. The fact that good knowledge alone does not prevent disease suggests that structural conditions—like crowded living spaces—play a more decisive role. When TB patients share small, poorly ventilated homes with others, the likelihood of airborne transmission rises significantly.

To reduce TB transmission, public health strategies must move beyond individual-level education and include structural reforms. These may include improving housing conditions, enhancing ventilation, and tracing and managing close contacts of TB patients more proactively. Addressing these key factors could help break the cycle of infection in high-density communities.

References:

  1. Sopiani, P., Maemun, S., Azijah, I., Pratiwi, T.Z. and Saputra, R., 2025. Analysis of Risk Factors for Pulmonary Tuberculosis in Cirascas District, East Jakarta, 2022. The Indonesian Journal of Infectious Diseases, 11(1), pp.42-51.

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