Answers are grounded in this paper and cite their sources.
Risk factors associated with Mycobacterium tuberculosis infection were investigated in a prospective cohort of household child tuberculosis contacts. A significantly increased risk of acquiring infection was associated with exposure to passive cigarette smoke, higher number of index cases, younger age and reduced household monthly income.
No takes yet. Share an insight, caveat, or question.
Sridhar et al. (2014) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: