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Publikováno v:
Journal of the American Dietetic Association. 90(4)
This article describes a method of collecting and analyzing itemized grocery receipts for use in epidemiological studies. As part of a larger study of children's food acquisition and exercise habits related to cardiovascular disease, a sample of 50 f
Autor:
K M, DeWalt
Publikováno v:
Federation proceedings. 40(11)
This paper addresses two important methodological problems in the study of diet and nutrition. These are 1) the problems of looking at individual variations in diet within a system of shared dietary norms, and 2) the difficulties in organizing the co