Factors associated with the occurrence of latent tuberculosis in the working area of UPT Puskesmas Padang Bulan in 2025
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Abstract
Latent tuberculosis is an asymptomatic condition caused by Mycobacterium tuberculosis that can progress to active TB if not properly controlled. A preliminary survey at the Padang Bulan Community Health Center (UPT Puskesmas) identified 40 individuals receiving tuberculosis preventive therapy (TPT) in 2024–2025. This study aimed to identify factors associated with the incidence of latent TB (LTBI) in the Padang Bulan Community Health Center (UPT Puskesmas) working area in 2025. This analytical study used a cross-sectional design with 44 respondents selected by purposive sampling. Data were collected through questionnaires, observations, and health center records, then analyzed using the Chi-square test. The results showed that age was not significantly associated with the incidence of latent TB (p=0.160). Meanwhile, duration of contact (p=0.037), occupation (p=0.044), clean and healthy living behaviors (p=0.042), residential density (p=0.019), and BCG vaccination history (p=0.019) showed a significant association with LTBI. Respondents with prolonged contact, high-risk occupations, poor health behaviors, overcrowded housing, and not being vaccinated against BCG were more likely to develop LTBI. These findings emphasize the need for more intensive LTBI screening, better health education, and increased vaccination coverage to reduce the risk of LTBI in the community.
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