期刊
NUTRIENTS
卷 14, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/nu14061156
关键词
dietary assessment; technology; EMA; recall; FFQ; diet quality; validation; nutritional biomarkers
资金
- Ministry of Agriculture, Nature and Food Quality and Industry, in the context of TKI Agri&Food PPS-project Smart Food Intake [AF16096]
- 4 Dutch Technical Universities
The integration of technology has improved dietary assessment methods, but there is still a need for further innovations to reduce measurement error. This article describes the DIASS study, which aims to evaluate a new smartphone-based methodology for dietary recalls. The study also allows for evaluation of other dietary assessment tools.
During recent years, the integration of technology has substantially improved self-reported dietary assessment methods, such as food frequency questionnaires (FFQ), food records, and 24-h recalls. To further reduce measurement error, additional innovations are urgently needed. Memory-related measurement error is one of the aspects that warrants attention, which is where new smartphone technologies and ecological momentary assessment (EMA) approaches provide a unique opportunity. In this article, we describe the DIASS study, which was designed to evaluate an innovative 2-h recall (2hR) smartphone-based methodology, against traditional 24-h recalls, FFQ, and biomarkers, to assess both actual and habitual dietary intake. It is hypothesized that a 2-h reporting window decreases reliance on memory and reporting burden, and increases data accuracy. We included 215 men (28%) and women (72%), with a mean +/- SD age of 39 +/- 19 years and a mean +/- SD BMI of 23.8 +/- 4.0. Most participants were highly educated (58%). Response rates for the various dietary assessment methods were >90%. Besides the evaluation of the accuracy, usability, and perceived burden of the 2hR methodology, the study set-up also allows for (further) evaluation of the other administrated dietary assessment tools.
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