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A case-control investigation of cancer of the oral tongue and the floor of the mouth in southern India.
Int J Cancer 1989; 44(4):617-21IJ

Abstract

A case-control study of cancer of the oral tongue and floor of mouth was conducted in Kerala, Southern India, on 228 cases and 453 hospital-based controls, matched for age, sex and religion. We studied pan(betel)-tobacco-chewing, bidi (local type of cigarette)-and-cigarette-smoking, alcohol-drinking and snuff use, for their associations with risk, in males. Among females, only pan-tobacco-chewing was analyzed, as very few females indulged in the other habits. In males, a significantly increased risk was observed in association with pan-tobacco-chewing, bidi-smoking, bidi-plus-cigarette-smoking (but not cigarette-smoking alone) and alcohol-drinking (p less than 0.001 in all cases), although the effect of alcohol was no longer significant when adjusted for the other significant predisposing factors. Among females, pan-tobacco-chewing had a similar predisposing effect to that observed in males (p less than 0.001). In males an adjusted relative risk of 6.14 was associated with chewing 10 or more pan-tobacco quids per day (relative to those who never chewed). The corresponding relative risk in females was 9.27. In males, an adjusted relative risk of 7.46 was observed for those smoking 20 or more bidis per day (relative to never-smokers).

Authors+Show Affiliations

MRC Biostatistics Unit, Cambridge, UK.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

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

Language

eng

PubMed ID

2793234

Citation

Sankaranarayanan, R, et al. "A Case-control Investigation of Cancer of the Oral Tongue and the Floor of the Mouth in Southern India." International Journal of Cancer, vol. 44, no. 4, 1989, pp. 617-21.
Sankaranarayanan R, Duffy SW, Day NE, et al. A case-control investigation of cancer of the oral tongue and the floor of the mouth in southern India. Int J Cancer. 1989;44(4):617-21.
Sankaranarayanan, R., Duffy, S. W., Day, N. E., Nair, M. K., & Padmakumary, G. (1989). A case-control investigation of cancer of the oral tongue and the floor of the mouth in southern India. International Journal of Cancer, 44(4), pp. 617-21.
Sankaranarayanan R, et al. A Case-control Investigation of Cancer of the Oral Tongue and the Floor of the Mouth in Southern India. Int J Cancer. 1989 Oct 15;44(4):617-21. PubMed PMID: 2793234.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A case-control investigation of cancer of the oral tongue and the floor of the mouth in southern India. AU - Sankaranarayanan,R, AU - Duffy,S W, AU - Day,N E, AU - Nair,M K, AU - Padmakumary,G, PY - 1989/10/15/pubmed PY - 1989/10/15/medline PY - 1989/10/15/entrez SP - 617 EP - 21 JF - International journal of cancer JO - Int. J. Cancer VL - 44 IS - 4 N2 - A case-control study of cancer of the oral tongue and floor of mouth was conducted in Kerala, Southern India, on 228 cases and 453 hospital-based controls, matched for age, sex and religion. We studied pan(betel)-tobacco-chewing, bidi (local type of cigarette)-and-cigarette-smoking, alcohol-drinking and snuff use, for their associations with risk, in males. Among females, only pan-tobacco-chewing was analyzed, as very few females indulged in the other habits. In males, a significantly increased risk was observed in association with pan-tobacco-chewing, bidi-smoking, bidi-plus-cigarette-smoking (but not cigarette-smoking alone) and alcohol-drinking (p less than 0.001 in all cases), although the effect of alcohol was no longer significant when adjusted for the other significant predisposing factors. Among females, pan-tobacco-chewing had a similar predisposing effect to that observed in males (p less than 0.001). In males an adjusted relative risk of 6.14 was associated with chewing 10 or more pan-tobacco quids per day (relative to those who never chewed). The corresponding relative risk in females was 9.27. In males, an adjusted relative risk of 7.46 was observed for those smoking 20 or more bidis per day (relative to never-smokers). SN - 0020-7136 UR - https://www.unboundmedicine.com/medline/citation/2793234/A_case_control_investigation_of_cancer_of_the_oral_tongue_and_the_floor_of_the_mouth_in_southern_India_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0020-7136&date=1989&volume=44&issue=4&spage=617 DB - PRIME DP - Unbound Medicine ER -