Factors Associated with Pulmonary Tuberculosis Transmission Prevention in Jorong Subarang, Solok Regency

Abstract

Pulmonary tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis, and it spreads faster in enclosed air, such as the stuffy and humid air inside houses. This study aimed to determine the relationship of knowledge, residential density, and the role of health workers with the prevention of pulmonary TB transmission in Jorong Subarang, in the working area of Selayo Health Center. Methods: This descriptive analytic study used a cross-sectional approach and was conducted from 21 July to 10 August 2025. The population was 1,227 households in Jorong Subarang, Nagari Koto Baru, and 93 households were selected by systematic random sampling. Data were analyzed with univariate analysis and bivariate analysis using the Chi-square test. Results: Of 93 respondents, 65 (69.9%) did not practice prevention of pulmonary TB transmission. Prevention was significantly associated with knowledge (p = 0.005; OR = 4.050), residential density (p = 0.019; OR = 3.467), and the role of health workers (p = 0.003; OR = 4.565). Conclusion: Knowledge, residential density, and the role of health workers were associated with the prevention of pulmonary TB transmission. Health workers are expected to provide regular counseling so that the community receives information on the impact of the disease.