Table 2.

Eligibility criteria for RATIONS trial participants

Index cases	HHC
Inclusion criteria
Patients ≥18 years of age with microbiologically confirmed PTB	Persons living in the same house, eating from same kitchen as index case for ≥one night or for frequent or extended periods during the day during the 3 months before diagnosis in index case
Exclusion criteria
Non eligible HHC	Current smear or GeneXpert or LPA or culture confirmed TB
Time interval between initiation of treatment and enrolment is >14 days	Clinically diagnosed PTB or extra-PTB and currently on treatment

HHC, household contacts; LPA, line probe assay; PTB, pulmonary tuberculosis; RATIONS, Reducing Activation of Tuberculosis by Improvement of Nutritional Status.