Dietary assessment
The various methods of dietary assessment are essentially asking:
- What was eaten?
- How much was eaten?
- How often is this eaten?
The methods vary in their ability to answer these questions accurately. The perfect dietary assessment method does not exist. A thorough understanding of the methods, their strengths and their limitations, is essential in the selection of the most appropriate dietary assessment method. Collaboration with centres experienced in dietary assessment and / or the inclusion of a nutritionist in the study team is recommended for any research seeking to measure diet.
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