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