The Association between active and passive smoking and latent tuberculosis infection in adults and children in the united states: results from NHANES.

PLoS One · 2014 · PMC3963991 · PMID 24664240

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marginally significantno p-value reported

Passive smoking had a marginally significant association with LTBI among US-born adults and a significant association with LTBI among the foreign-born adults.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.