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Table 3 Investigator-identified Intervention functions targeting identified barriers and facilitators as defined in the Behavioral Change Wheel framework

From: Identifying barriers to and facilitators of tuberculosis contact investigation in Kampala, Uganda: a behavioral approach

Intervention Functions Arranging home visits Visiting households to screen contacts Evaluating contacts in clinics
Education LHWs use their lay understanding of community knowledge gaps and concerns to counsel patients   
Persuasion LHWs establish trust with index patients   
LHWs convince index patients to accept CI
Environmental restructuring   Home visit allows scheduling flexibility Clinic-staff streamline clinic visits for contacts
Enablement LHWs give social support to index patients Home visit provides privacy Families support contacts physically
Clinic-staff shift task of visiting home to LHWs Contacts trust LHWs Families support contacts emotionally
CHWs call index patients on mobile phones
Modeling Former TB patients recount their experiences in referring their contacts   
Incentivization Clinic funds LHW transport fare Home visit eliminates some clinic visits Clinic-staff streamline clinic visits for contacts
Clinic or program pays LHWs for their work
  1. Abbreviations: LHWs lay health workers, CI contact investigation, TB tuberculosis