ArticleBMJ open2025
Implementing timeliness metrics for household contact tracing and TB preventive treatment through TB champions in the public sector, India: an explanatory mixed-methods study.
Article in BMJ open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Improving tuberculosis contact investigation in Chhattisgarh, India: early findings from operational research.Public health action · 2026Article
- Operational research for strengthening leadership and advancing universal health coverage in India.Public health action · 2026Article
- Expanding the Frontiers of Tuberculosis Prevention: Moving from Targeted Preventive Therapy to Integrated Public Health Strategies.Tropical medicine and infectious disease · 2026Article
- Screening and tuberculosis preventive treatment among household contacts of drug-resistant tuberculosis patients: a scoping review.BMC infectious diseases · 2026Article
- Reappraising TB preventive treatment in India: programmatic and ethical implications of subclinical tuberculosis in household contacts.The Lancet regional health. Southeast Asia · 2026Review
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Authors and funding
15 authors.
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Abstract
objectivesA '7-1-7' timeliness metric, developed for hastening the response to infectious disease outbreaks/pandemics, was adapted to improve screening and managing household contacts (HHCs) of pulmonary tuberculosis (TB) patients. The feasibility, enablers, challenges and utility of implementing this modified metric through TB Champions (TB survivors) for HHC management were assessed.
designThis was an explanatory mixed-methods study with a cohort design (quantitative) followed by a descriptive design with focus group discussions (qualitative).
settingThe study was conducted within routine programmatic settings in public health facilities in six districts from three states of India.
participantsIn total, 595 drug-susceptible index pulmonary TB patients registered for treatment in the selected health facilities, and their listed 2108 HHCs were included in the study between December 2022 and August 2023. All 17 TB Champions involved in implementation participated in the focus group discussions. PRIMARY OUTCOME MEASURES: The primary outcome measures were the percentage of eligible participants receiving the desired service within the '7-1-7' timeliness metric and challenges in achieving the timeliness metrics.
resultsIn 89% of 595 index patients, their HHCs were line-listed within 7 days of initiating anti-TB treatment ('First-7'). In 90% of 2108 HHCs, screening outcomes were ascertained within 1 day of line-listing ('Next-1'). In 42% of 2073 HHCs eligible for further evaluation, anti-TB treatment, TB preventive treatment (TPT) or a decision to not receive medication were made within 7 days of screening ('Second-7'). Barriers to TPT uptake included lack of money and daily wage losses for travelling to clinics, reluctance of asymptomatic contacts to take medication and fear of adverse events. TB Champions felt timeliness metrics improved performance in the systematic and timely management of HHCs.
conclusionsTB Champions found '7-1-7' timeliness metrics were feasible and useful, and national TB programmes should consider their operationalisation.
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