Oral and pharyngeal cancer in the North-west and West Yorkshire regions of England, and occupation.

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Abstract
Patients with oral or pharyngeal cancer in the 2 main textile regions of England were matched for age and sex with patients having cancers not known to be associated with textile work. Data were recorded on age, sex, cancer site, smoking, chewing and drinking habits and dental and occupational history. There were 102 and 61 matched pairs of males and 52 and 60 matched pairs of females in the Northwest and West Yorkshire regions, respectively. There were significantly (P < 0.05) more textile workers in the cases compared with their matched controls for only the females in the Northwest. No particular type of textile work occurred more frequently for the cases than the controls in all 4 matched comparisons. Only for the males in the Northwest were there significant differences (P < 0.05) in the proportions of textile workers in the 3 cancer sites of the tongue, mouth and pharynx. These results did not confirm the association between textile work and oral or pharyngeal cancer found by the mortality study of Moss and Lee (1974). The results for the association between oral or pharyngeal cancer and smoking, drinking, chewing and wearing of dentures were discussed.