methods for measuring dietary and nutrient intake Flashcards
1
Q
what is the starting point for any dietary assessment?
A
measuring intake
2
Q
what are the two types of errors that commonly arise when measuring dietary intakes?
A
- random errors (e.x variability of intake, people eat routinely during the week but indulge on the weekends)
- systematic errors (e.x underestimating portions)
3
Q
what are the two types of measures for collecting dietary intake data?
A
- objective measures (providing specific foods and taking photos of dietary intake)
- subjective measures (food diaries, 24-hour recall, food frequency questionnaires and screeners)
4
Q
what are biomarkers?
A
a substance or a measure found in blood, urine, adipose tissue (body fat) or hair that is directly impacted by dietary intake
5
Q
why are biomarkers used in addition to subjective dietary measurements?
A
used alongside subjective dietary measurements to ensure more holistic data is being collected
