Risk factors for non-adherence among people with HIV-associated TB in Karnataka, India: A case-control study.

Setting: Five select districts of Karnataka, India, providing anti-tubercular and antiretroviral therapy (ATT and ART) to people with Human Immunodeficiency Virus (HIV) - associated Tuberculosis (TB) through a single window care approach at the ART centres (seven ART centres and 16 link ART centres).

Objectives: To determine the factors associated with non-adherence to concurrent therapy.

Design: We conducted a case-control study involving primary and secondary data collection.