American Journal of Clinical Nutrition, Vol 40, 896-905, Copyright © 1984 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Diet, nutrition intake, and metabolism in populations at high and low risk for colon cancer. Nutrient intake

BM Calkins, DJ Whittaker, PP Nair, AA Rider and N Turjman

A 3-day diary with portion sizes weighed by the subject and a 24-h recall were obtained on 50 sets of subjects: Seventh-day Adventist lacto-ovo-vegetarians and nonvegetarians, and general population nonvegetarians, matched on age (+/- 5 yr), sex, marital status, education, type of milk preferred, and an index of the frequency of dairy and egg product use. An additional 18 unmatched persons who follow a pure vegetarian dietary pattern (use no meat, fish, fowl, dairy, or egg products) were recruited into the study. The rational for the dietary methods used is presented and details of each of the methods used are given. The results of the nutrient analysis of the 24- h recall and 3-day diary are presented. The 3-day nutrient intake means for the four groups are compared to the sex-specific recommended daily allowance both with and without supplements. The contribution of nutritional supplements to the nutrient intake is discussed. All groups show adequate or excess intake levels of calories, protein, and fat when either the 24-h recall or the 3-day diary values are considered. The higher intake of calories noted among nonvegetarians can be explained by a higher intake of both fat and protein in these groups. A, B, and C vitamin levels (3-day dairy estimates) are adequate both with and without supplements. Calcium intake is much below recommended levels for pure vegetarian females. Iron intake is low for all females. A heme iron source does not improve the intake levels for nonvegetarian females. A comparison of these results with prior reports of nutrient intake among Seventh-day Adventists is presented.

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