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Smoked Tobacco, Air Pollution, and Tuberculosis in Lao PDR: Findings from a National Sample

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  • Anne Berit Petersen

    (Department of Graduate Nursing, School of Nursing, Loma Linda University, 11262 Campus Street, Loma Linda, CA 92350, USA
    Center for Health Research, Loma Linda University, 11234 Anderson St, Loma Linda, CA 92354, USA)

  • Natassia Muffley

    (Center for Health Research, Loma Linda University, 11234 Anderson St, Loma Linda, CA 92354, USA)

  • Khamphithoun Somsamouth

    (Center for Information and Education for Health, Ministry of Health, Simuang Road, Vientiane, Lao PDR)

  • Pramil N. Singh

    (Center for Health Research, Loma Linda University, 11234 Anderson St, Loma Linda, CA 92354, USA
    Transdisciplinary Tobacco Research Program, Loma Linda University Cancer Center, 11234 Anderson St, Loma Linda, CA 92354, USA)

Abstract

In 2017, more than half of the global burden of incident tuberculosis (TB) came from the Western Pacific region. In Lao People’s Democratic Republic (PDR), the high rates of tobacco use and use of polluting biomass fuels for cooking (e.g., wood, charcoal, crop waste, dung) represent significant risk factors for TB. The purpose of this study was to determine the association between self-reported (1) smoking and TB; and (2) exposure to air pollution (from both cooking fires and environmental tobacco smoke) and TB among adults in Lao PDR. We analyzed data from the 2012 National Adult Tobacco Survey (NATSL) of Lao PDR—a multi-stage stratified cluster sample of 9706 subjects from 2822 households located in all 17 provinces. Utilizing a nationally representative sample and inferential, multivariable methods, we observed a significant increase in odds of self-reported TB among those who smoked tobacco (OR = 1.73, 95% CI = (1.00 to 2.98)). Larger multivariable models identified independent contributions from exposure to tobacco pipes (OR = 21.51, 95% CI = (6.34 to 72.89)) and communal outdoor fires (OR = 2.27, 95% CI = (1.15 to 4.49)). An index measuring combined exposure to smoked tobacco, environmental tobacco smoke in enclosed workspace, indoor cooking fire, trash fires, and other outdoor communal fires also showed a positive association (OR per added exposure = 1.47, 95% CI = (1.14 to 1.89)). The findings of this study underscore the need for multi-sectoral collaboration between tobacco control, environmental health, TB prevention and treatment programs, national authorities, policy makers, civil groups, and the private sector to address the convergence of potential risk factors impacting respiratory health in Lao PDR.

Suggested Citation

  • Anne Berit Petersen & Natassia Muffley & Khamphithoun Somsamouth & Pramil N. Singh, 2019. "Smoked Tobacco, Air Pollution, and Tuberculosis in Lao PDR: Findings from a National Sample," IJERPH, MDPI, vol. 16(17), pages 1-13, August.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:17:p:3059-:d:260231
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    References listed on IDEAS

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    1. Glorietta Hurd-Kundeti & Anne Berit Petersen & Khamphithoun Somsamouth & Pramil N. Singh, 2019. "Air Pollution in a Nationally Representative Sample: Findings from the National Adult Tobacco Survey of Lao PDR," IJERPH, MDPI, vol. 16(18), pages 1-11, September.

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