Characteristics of pulmonary TB patients eligible for analysis, stratified by type of observer during first two months of TB treatment.

*Mobile was defined as not living in the same district for at least three of the past six months.#MTB denotes Mycobacterium tuberculosis, and NTM denotes non-tuberculous mycobacteria.@Patients who were on treatment, but had missing data about whether their sputum smears were positive or negative.