Tag: food recall
Questionnaire concepts
Questionnaire concepts: A subject’s nutrient profile, whether obtained from food recall information or from food history (questionnaire) information, is obtained by a simple arithmetic calculation. Each nutrient is the product of the food quantity consumed and the nutrient’s concentration in that food. The subject’s consumption is the sum of these products over the foods consumed…
Food history questionnaires
A lot of nutrition research is done through the use of the food history questionnaire. This is different from food recalls in that it is shorter, easier to administer and does not require special interviewing skills. The downfall is that it is a fairly “blunt” instruments. With a bit of care in its construction some…