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American Journal of Epidemiology Vol. 128, No. 5: 980-988
Copyright © 1988 by The Johns Hopkins University School of Hygiene and Public Health

research-article

CAROTENE INTAKE AND THE RISK OF LARYNGEAL CANCER IN COASTAL TEXAS

DOROTHY MACKERRAS1, PATRICIA A. BUFFLER1,, D. ELIZABETH RANDALL2, MILTON Z. NICHAMAN1, LINDA W. PICKLE3 and THOMAS J. MASON4

1School of Public Health, University of Texas Health Science Center Houston, TX
2State University of New York, School of Health Related Professions Buffalo, NY
3Environmental Epidemiology Branch, Epidemiology and Biostatistics Program, Division of Cancer Epidemiology, National Cancer Institute Bethesda, MD
4Fox Chase Cancer Center Philadelphia, PA

Reprint requests to Dr. Patricia A. Buffler, School of Public Health, University of Texas Health Science Center, Houston, TX 77225

Between 1978 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.

carotene; laryngeal neoplasms; questionnaires; vitamin A


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