Journal of the American College of Nutrition, Vol 11, Issue 3 283-293, Copyright © 1992 by American College of Nutrition

JOURNAL ARTICLE

Dietary intake, exercise, obesity and noncommunicable disease in rural and urban populations of three Pacific Island countries

R. Taylor, J. Badcock, H. King, K. Pargeter, P. Zimmet, T. Fred, M. Lund, H. Ringrose, F. Bach, R. L. Wang and al. et
Department of Public Health, University of Sydney, NSW, Australia.

Dietary intake surveys of rural and urban communities in three Pacific Island countries were conducted using an adjusted 24-hour dietary recall method. Dietary survey samples were drawn from noncommunicable disease surveys of Melanesians and Indians in Fiji, Micronesians in Kiribati and Melanesians in Vanuatu. Comparisons of total energy and macronutrient intakes and of obesity, hypertension, diabetes mellitus, serum cholesterol and physical activity levels revealed similar rural/urban trends. Urban subjects were more obese than rural ones, had higher prevalence rates of diabetes and hypertension, and generally had higher cholesterol levels. Rural subjects were leaner, suffered less from diabetes and hypertension, and had greater total energy intakes than urban dwellers. Rural people ate a greater proportion of carbohydrates, while urban subjects ate proportionally more protein and fat, apart from the outer Kiribati atolls with high coconut intakes. Rural subjects in all three studies had higher levels of physical activity. These studies provide persuasive evidence that exercise as well as diet has a significant effect on rural/urban differentials in obesity and noncommunicable disease, and that energy intake reflects energy expenditure.

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