Abstract
-
Automated assessment technologies are becoming increasingly popular in the field of nutrition. In Australia, the DietAdvice website was developed for self-administered reporting of dietary intakes. Numerous studies report on the accuracy of reporting in a face-to-face setting and only few studies have addressed accuracy for computerised reporting. The aim of this study is to determine the accuracy of reporting using the DietAdvice website. Twenty-nine subjects were recruited. Diets for main meals were modelled for a one week period based on food preferences and 70% estimated energy requirements. Subjects were provided with one week of food for main meals, kept a 7-day food record during this period and used DietAdvice to report intake during the 7-days at day one, three, seven, 14, and 28 following the week of provided food intake. Twenty-one subjects completed five visits, three completed four visits and five completed three or less visits. Subjects were aged 19-68 years with an average BMI of 25.9ÃÂñ6.6kg/mÃÂò. Total energy at day one was reported at 6874ÃÂñ3332kJ and 6870ÃÂñ3327kJ at day 28. Despite these small variations, the actual foods reported for each meal varied between visits suggesting a slight decrease in accuracy with increased time between consumption and recall.