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Am J Epidemiol. 1988 Nov;128(5):980-8.

Carotene intake and the risk of laryngeal cancer in coastal Texas.

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School of Public Health, University of Texas Health Science Center, Houston 77225.


Between 1976 and 1980, data were collected for a case-comparison study of laryngeal cancer in white males aged 30-79 years in six Texas counties using all histologically confirmed incident cases and a population-based comparison group. Dietary interviews were obtained from 151 living cases and 178 living comparison subjects. A significant inverse association (odds ratio (OR) = 2.1) was found between low carotene intake and the risk of laryngeal cancer, but no association was found with total vitamin A or retinol intake. The inverse association with carotene intake was strongest among those who had stopped smoking 2-10 years before (OR = 5.9). The same risk for vitamin A intake was found by using a short list of foods based on contribution to variation in intake as was found by using a longer list based on per cent contribution to total intake. Definition of carotene as that which comes only from plant sources gives an estimate similar to a more complex method that takes into account carotene derived from both plant and animal sources.

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