Dietary assessment and physical activity measurements toolkit

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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