Background: Adherence behavior of tuberculosis patients become the most crucial factor in
achieving success treatment, including adherence to compliance with medication, prevention
of transmission, and nutritional compliance. This study aims to determine the effect
of educational intervention based on the Theory of Planned Behavior (TPB) in improving
adherence to TB patients.
Methods: Quasi-experimental study was conducted on 100 patients with
pulmonary tuberculosis in Puskesmas Bubakan Pacitan with a purposive sampling
technique. This study was conducted to provide TPB-based educational interventions in the
treatment groups for 2 months. The statistical test used was the independent t-test, paired ttest, and chi-square. Results: There were significant differences in mean values between
treatment and control groups on attitude toward behavioral variables (ATB), subjective
norm (SN), perceived behavior control (PBC), intention, medical adherence,
prevention of transmission, and nutrition compliance.
Conclusion: Based on educational interventions Theory of Planned Behavior proven to affect
improving the ATB, SN, PBC, intention, medical adherence, prevention of transmission,
and nutrition compliance of TB patients.
