Dietary Assessment Flashcards
What are the limitations of dietary records?(6)
Questionable accuracy under 4 days Burdensome over 7 days Requires motivation Requires literacy Time consuming Potential to interfere with dietary behaviour
Explain the 24-HR dietary recall (2)
Interview participants to recall all food and beverages
Consumed the preceding day
What are the advantages of the 24-HR dietary recall?(3)
Less potential to interfere in dietary behaviour
Less completion time
Does not involve weighing food
What are the disadvantages of the 24 HR dietary recall?(3)
Underreporting
Portion size difficult to estimate
Potential memory issues
Explain the FFQ (2)
Standardised list of food
Participants report their usual consumption of frequent foods
What are the advantages of FFQ (2)
Easy to use in large populations
Can identify nutrient deficiencies
What are the disadvantages of the FFQ (4)
Relies on memory
Little detail of food characteristics
Unusual foods not detected
Difficult to report portion sizes
Explain the dietary records (2)
Reporting records consumed over a certain period of time
Amount estimated by household measures
Advantages of dietary records (4)
By recording food as they are consumed there is less likely to be omission of food
Food may be better described
More accurate measurements of portion size