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Tobacco associated mortality in Mumbai (Bombay) India. Results of the Bombay Cohort Study.

Abstract

BACKGROUND

Little is known about the excess mortality from forms of tobacco use other than cigarette smoking that are widely prevalent in India, such as bidi smoking and the various forms of smokeless tobacco use. We report on absolute and relative risks of mortality among various kinds of ever tobacco users vs never-users in the city of Mumbai, India.

METHODS

Using the Mumbai voters' list as the selection frame, 99 570 individuals aged > or = 35 years were interviewed at their homes during 1992-94. At active follow-up (during 1997-99) after 5.5 years, 97 244 (97.7%) were traced. Among these, 7531 deaths (4119 men, 3412 women) were recorded, of which 89% died within study area. It was possible to abstract cause of death information from the records of the municipal corporation for 5470 deaths. These were coded using ICD 10.

RESULTS

The adjusted relative risk was 1.37 (95% CI 1.23-1.53) for (men) cigarette smokers and 1.64 (95% CI 1.47-1.81) for bidi smokers, with a significant dose-response relationship for number of bidis or cigarettes smoked. Women were essentially smokeless tobacco users; the adjusted relative risk was 1.25 (95% CI 1.15-1.35). The risk of deaths from respiratory diseases (RR 2.12, 95% CI 1.57-2.87), tuberculosis (RR 2.30, 95% CI 1.68-3.15), and neoplasms (RR 2.60, 95% CI 1.78-3.80) were significantly high in male smokers than never tobacco users.

CONCLUSIONS

Bidi is no less hazardous than cigarette smoking, and smokeless tobacco use may also result in significantly increased mortality.

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  • Authors+Show Affiliations

    ,

    Healis, Sekhsaria Institute for Public Health, 601/B, Great Eastern Chambers, Plot No. 28, Sector 11, CBD Belapur, India.

    , ,

    Source

    International journal of epidemiology 34:6 2005 Dec pg 1395-402

    MeSH

    Adult
    Age Distribution
    Aged
    Cause of Death
    Cohort Studies
    Female
    Humans
    India
    Male
    Middle Aged
    Risk Assessment
    Smoking
    Tobacco Use Disorder
    Tobacco, Smokeless
    Urban Health

    Pub Type(s)

    Journal Article
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    16249218

    Citation

    Gupta, Prakash C., et al. "Tobacco Associated Mortality in Mumbai (Bombay) India. Results of the Bombay Cohort Study." International Journal of Epidemiology, vol. 34, no. 6, 2005, pp. 1395-402.
    Gupta PC, Pednekar MS, Parkin DM, et al. Tobacco associated mortality in Mumbai (Bombay) India. Results of the Bombay Cohort Study. Int J Epidemiol. 2005;34(6):1395-402.
    Gupta, P. C., Pednekar, M. S., Parkin, D. M., & Sankaranarayanan, R. (2005). Tobacco associated mortality in Mumbai (Bombay) India. Results of the Bombay Cohort Study. International Journal of Epidemiology, 34(6), pp. 1395-402.
    Gupta PC, et al. Tobacco Associated Mortality in Mumbai (Bombay) India. Results of the Bombay Cohort Study. Int J Epidemiol. 2005;34(6):1395-402. PubMed PMID: 16249218.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Tobacco associated mortality in Mumbai (Bombay) India. Results of the Bombay Cohort Study. AU - Gupta,Prakash C, AU - Pednekar,Mangesh S, AU - Parkin,D M, AU - Sankaranarayanan,R, Y1 - 2005/10/25/ PY - 2005/10/27/pubmed PY - 2006/6/6/medline PY - 2005/10/27/entrez SP - 1395 EP - 402 JF - International journal of epidemiology JO - Int J Epidemiol VL - 34 IS - 6 N2 - BACKGROUND: Little is known about the excess mortality from forms of tobacco use other than cigarette smoking that are widely prevalent in India, such as bidi smoking and the various forms of smokeless tobacco use. We report on absolute and relative risks of mortality among various kinds of ever tobacco users vs never-users in the city of Mumbai, India. METHODS: Using the Mumbai voters' list as the selection frame, 99 570 individuals aged > or = 35 years were interviewed at their homes during 1992-94. At active follow-up (during 1997-99) after 5.5 years, 97 244 (97.7%) were traced. Among these, 7531 deaths (4119 men, 3412 women) were recorded, of which 89% died within study area. It was possible to abstract cause of death information from the records of the municipal corporation for 5470 deaths. These were coded using ICD 10. RESULTS: The adjusted relative risk was 1.37 (95% CI 1.23-1.53) for (men) cigarette smokers and 1.64 (95% CI 1.47-1.81) for bidi smokers, with a significant dose-response relationship for number of bidis or cigarettes smoked. Women were essentially smokeless tobacco users; the adjusted relative risk was 1.25 (95% CI 1.15-1.35). The risk of deaths from respiratory diseases (RR 2.12, 95% CI 1.57-2.87), tuberculosis (RR 2.30, 95% CI 1.68-3.15), and neoplasms (RR 2.60, 95% CI 1.78-3.80) were significantly high in male smokers than never tobacco users. CONCLUSIONS: Bidi is no less hazardous than cigarette smoking, and smokeless tobacco use may also result in significantly increased mortality. SN - 0300-5771 UR - https://www.unboundmedicine.com/medline/citation/16249218/Tobacco_associated_mortality_in_Mumbai__Bombay__India__Results_of_the_Bombay_Cohort_Study_ L2 - https://academic.oup.com/ije/article-lookup/doi/10.1093/ije/dyi196 DB - PRIME DP - Unbound Medicine ER -