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Table 2 Proportion of matches (exact, close and far) and omissions related to the amount of food items offered and number of intrusions for all subjectsa (n = 62)

From: Validation of a newly automated web-based 24-hour dietary recall using fully controlled feeding studies

  Proportion or number of items
Number of items offered/day (n) 16.1 ± 3.1
Exact matches (%) 76.8 ± 15.3
Close matches (%) 8.2 ± 8.7
Far matches (%) 4.3 ± 5.2
All matches combined (%) 89.3 ± 11.1
Omissions (%) 10.7 ± 11.1
Intrusions (n) 0.2 ± 0.7
  1. aPerfect match: a situation where subjects selected the exact appellation of the item they received in the R24W. Close match: an item with related characteristics. Far match: an item in the same food category but with different characteristics and nutritional composition. Omission: a food item that was provided but not reported. Intrusion: a food item that was reported but not provided