Table 2.
24-Hour Recall (24HR) | Food Record (FR) | Food Frequency Questionnaire (FFQ) | Screener (SCR) | ||
---|---|---|---|---|---|
Study Design | Cross-sectional | X | X | X | X |
Retrospective | X | X | |||
Prospective | X | X | X | X | |
Intervention | X | X | X | ||
Scope of Interest | Total Diet | X | X | X | |
One or a few components | X | X | |||
Captures contextual details regarding food preparation, timing of meals, location of meals, etc. | Yes | X | X | ||
No | X | X | |||
Time frame of interest | Short term | X | X | ||
Long term | X | X | |||
Can be used to query diet in distant past | Yes | X | X | ||
No | X | X | |||
Allows cross-cultural comparisons | Yes | X | X | ||
No | X | X | |||
Major type of measurement error | Random | X | X | ||
Systematic | X | X | |||
Potential for reactivity | High | X | |||
Low | X | X | X | ||
Time required to complete | <15 minutes | X | |||
>20 minutes | X | X | X | ||
Memory requirements | Specific | X | |||
Generic | X | X | |||
Does not rely on memory | X | ||||
Cognitive difficulty | High | X | X | ||
Low | X | X |
Reprinted from National Institutes of Health NCI. Dietary Assessment Primer. http://dietassessmentprimer.cancer.gov/.