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Tuberculosis preventive therapy: perspective from a multi-ethnic community.

M S Sebastian1, G H Bothamley

  • 1London School of Hygiene and Tropical Medicine, UK.

Respiratory Medicine
|August 5, 2000
PubMed
Summary

Understanding tuberculosis (TB) patient knowledge and perceptions is key to improving adherence to preventive treatment. General TB knowledge and attending the first appointment significantly enhance treatment compliance.

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Area of Science:

  • Public Health
  • Infectious Diseases
  • Qualitative Research

Background:

  • Tuberculosis (TB) remains a significant global health challenge.
  • Adherence to preventive treatment is crucial for TB control.
  • Patient knowledge, attitudes, and perceptions (KAP) can influence treatment adherence.

Purpose of the Study:

  • To explore the KAP of tuberculosis patients regarding TB and its preventive therapy.
  • To identify factors influencing adherence to TB preventive treatment.

Main Methods:

  • Qualitative study involving 24 subjects receiving TB preventive therapy.
  • Structured interviews using a questionnaire covering demographics, TB background, and KAP.
  • Descriptive and thematic data analysis with statistical evaluation.

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  • Outcome assessment over 6 months post-treatment initiation.

    • Main Results:

    • Patient knowledge of TB transmission was acquired outside the family; active TB symptoms were poorly recognized.
    • Perceived threat of TB was high, but estimated personal risk was low.
    • Knowledge of preventive therapy was higher than general TB knowledge, yet general TB knowledge correlated with better adherence.
    • Defaulters missed initial appointments, reported more side effects (e.g., isoniazid-related hepatitis), and perceived longer clinic wait times.

    Conclusions:

    • General knowledge of TB and attending the first appointment are associated with improved adherence to preventive treatment.
    • Improving adherence may involve simplifying treatment regimens (e.g., single daily tablet), managing side effects (e.g., dizziness), and addressing patient concerns about the 6-month duration.