title: Increased risk of Mycobacterium tuberculosis infection in household child contacts exposed to passive tobacco smoke.
abstract: 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.
authors.affiliation: From the *Tuberculosis Research Centre, Department of Respiratory Medicine, National Heart and Lung Institute, Imperial College London, Norfolk Place, London; †Department of Paediatrics, Marmara University School of Medicine, Istanbul, Turkey; and ‡Department of Public Health, Epidemiology and Biostatistics, Public Health School of Health and Population Sciences, University of Birmingham, Edgbaston, United Kingdom.
authors.forename: Saranya
authors.initials: S
authors.lastname: Sridhar
authors.forename: Nisha
authors.initials: N
authors.lastname: Karnani
authors.forename: David W
authors.initials: DW
authors.lastname: Connell
authors.forename: Kerry A
authors.initials: KA
authors.lastname: Millington
authors.forename: Davinder
authors.initials: D
authors.lastname: Dosanjh
authors.forename: Mustafa
authors.initials: M
authors.lastname: Bakir
authors.forename: Ahmet
authors.initials: A
authors.lastname: Soysal
authors.forename: Jonathan
authors.initials: J
authors.lastname: Deeks
authors.forename: Ajit
authors.initials: A
authors.lastname: Lalvani
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D015331:Cohort Studies; D005191:Family Characteristics; D005192:Family Health; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D011446:Prospective Studies; D018570:Risk Assessment; D012959:Socioeconomic Factors; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology*
chemical_list: D014028:Tobacco Smoke Pollution
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