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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