Assertion: food frequency questionnaire | /r/HasProperty | ffq
Facets:
Source sentences:
text: A food frequency questionnaire (FFQ) is a questionnaire the type of diet consumed in people, and may be used as a research instrument.
text: Food frequency questionnaire (FFQ) is a questionnaire used to obtain frequency and, in some cases, portion size information about food and beverage consumption over a specified period of time, typically the past month or year.
text: A food frequency questionnaire (FFQ) consists of a finite list of foods and beverages with response categories to indicate usual frequency of consumption over the time period queried.