| Summary: | Background: The treatment outcome "default" under Revised National Tuberculosis Control Program (RNTCP) is a patient who after treatment initiation has interrupted treatment consecutively for more than 2 months. Aims: To assess the timing, characteristics and distribution of the reasons for default with relation to some sociodemographic variables among new sputum-positive (NSP) tuberculosis (TB) patients in Darjeeling District, West Bengal. Settings and Design: A case-control study was conducted in three tuberculosis units (TUs) of Darjeeling from August′2011 to December′2011 among NSP TB patients enrolled for treatment in the TB register from 1 st Qtr′09 to 2 nd Qtr′10. Patients defaulted from treatment were considered as "cases" and those completed treatment as "controls" (79 cases and 79 controls). Materials and Methods: The enrolled cases and controls were interviewed by the health workers using a predesigned structured pro-forma. Statistical Analysis Used: Logistic regression analysis, odds ratios (OR), adjusted odds ratios (AOR). Results: 75% of the default occurred in the intensive phase (IP); 54.24% retrieval action was done within 1 day during IP and 75% within 1 week during continuation phase (CP); cent percent of the documented retrieval actions were undertaken by the contractual TB program staffs. Most commonly cited reasons for default were alcohol consumption (29.11%), adverse effects of drugs (25.32%), and long distance of DOT center (21.52%). In the logistic regression analysis, the factors independently associated were consumption of alcohol, inadequate knowledge about TB, inadequate patient provider interaction, instances of missed doses, adverse reactions of anti-TB drugs, Government Directly Observed Treatment (DOT) provider and smoking. Conclusions: Most defaults occurred in the intensive phase; pre-treatment counseling and initial home visit play very important role in this regard. Proper counseling by health care workers in patient provider meeting is needed.
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