Hunt I F, Luke L S, Murphy N J, Clark V A, Coulson A H
J Am Diet Assoc. 1979 Jun;74(6):656-9.
A computerized nutritional assessment service used by dentists was investigated. Daily nutrient intake of forty-six adult subjects was estimated from replies to a computerized food frequency questionnaire and the results compared with the average nutrient intakes of the same individuals obtained during five 24-hr. dietary recall interviews. Although the two methods produced essentially the same mean for carbohydrate intake and a minimal difference in the mean caloric values, mean estimates of the other nutrients were 6 to 88 per cent greater with the computerized data than via the dietary recalls. The dietary assessment service included unwarranted recommendations for vitamin and mineral supplementation.
对牙医使用的一项计算机化营养评估服务进行了调查。通过对一份计算机化食物频率问卷的回答，估算了46名成年受试者的每日营养摄入量，并将结果与在五次24小时饮食回顾访谈中获得的相同个体的平均营养摄入量进行了比较。尽管两种方法得出的碳水化合物摄入量均值基本相同，热量值均值的差异也极小，但计算机化数据得出的其他营养素均值估计比饮食回顾法高出6%至88%。该饮食评估服务包含了对维生素和矿物质补充剂的不必要建议。
