Nutrient Analysis System--a computerized seven-day food record system.
A self-recording, directly computer-readable, seven-day food record system (the Nutrient Analysis System [NAS]) was developed using the National Heart, Lung, and Blood Institute Food Table as a data bank for the nutrient analysis. This article describes the system and reports the results of a study which evaluates the system in an experimental setting. It is concluded that the Nutrient Analysis System is no less accurate or biased than the traditional written food record method under the conditions of this test. Additionally, NAS is a system which allows for efficient use of professional time and immediate availability of nutrient analysis for use in counseling.
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