Determinants of Pulmonary Tuberculosis Incidence in the Working Area of Kedungmundu Health Center, Semarang City

Background: Indonesia has the second-largest TB caseload in the world. In 2021, IR TB was 354/100,000 population, increasing to 385/100,000 population in 2022. Kedungmundu Health Center has the highest TB incidence in Semarang City.Objective: This study aims to determine the determinants of pulmonary tuberculosis incidence in the working area of Kedungmundu Health Center, Semarang City.Methods: This type of research is observational analytic with a case-control design. The sampling technique used was purposive sampling, with a total sample of 62, consisting of 31 cases and 31 cases. The analysis was conducted univariately and bivariately.Results: The results of the analysis showed an association in the variables of ventilation area (p=0.002, OR 6.04, 95% CI=2.01-18.17), lighting level (p=0.022, OR 3.87, 95% CI=1.34-11.17), and window opening habit (p=0.001, OR 7.58, 95% CI=2.39-24.06) while humidity level, occupancy density, and smoking habit were not associated with TB incidence.Conclusion: The incidence of pulmonary TB is influenced by ventilation area, lighting level, and window opening habits.