Dietary Assessment

Question 1

Methodological considerations and limitations in Dietary Assessment

Answer 1

1. Sources of dietary variations
2. Individual, community and cultural-specific
   issues
3. Intra-household food distribution,
   Shared eating occasions and street food
4. Estimation of portion size
5. Measurement errors in dietary assessment

Question 2

Dietary assessment can be done at a ______ expressed in terms of nutrients and/or foods

Answer 2

national, household, or individual levels

Question 3

Factors influencing diet variation

Answer 3

1. Seasonal variation
2. Variation in meal patterns
3. Variation in HH composition
4. Wide range of available foods
5. Food consumption away from home
6. Working patterns
7. Special Days
8. Disease states

Question 4

Steps in assessment of food and nutrient intakes

Answer 4

1. Measure food intake
2. Convert foods to nutrients
3. Estimate intakes of available nutrients
4. Evaluate dietary of nutrient adequacy

Question 5

Process assess risk of nutrient adequacy and not _____

Answer 5

nutritional status

Question 6

Dietary assessment methods

Answer 6

• 24-hour food recall
• Weighed food record
• Food frequency questionnaire
• Dietary history

Question 7

Aims to determine the mean intakes for
a group or population

Answer 7

24-hour food recall

Question 8

24-hour food recall can be used for

Answer 8

for large-scale field studies

Question 9

Estimates the distribution of intakes, and/or examines the usual diets and correlations of individual intakes

Answer 9

REPEATED/MULTIPLE 24-HOUR RECALL

Question 10

Steps in conducting a 24-hour recall

Answer 10

1. Quick list
2. Forgotten foods
3. Time and Occasion
4. Detail Cycle
5. Final Probe

Question 11

Most precise method for assessing food intakes of individual

Answer 11

Weighed food record

Question 12

This dietary assessment method is highly invasive and labor intensive

Answer 12

Weighed food record

Question 13

Food frequency questionnaires

Answer 13

• List of foods
• Frequency-of-use
• SQ-FFQ

Question 14

This method is used for counselling patients

Answer 14

Dietary history

Question 15

This method does not rely on memory, but is invasive, expensive, and the respondent burden may be high.

Answer 15

Weighed record

Question 16

Innovative methods in measuring food consumption

Answer 16

• Personal digital assistant
• Image-assisted method
• Mobile-based technologies
• Interactive computer and web-based technologies
• scan-ands-sensor-based technologies

Question 17

This innovative method is used to register and self-monitor dietary intake

Answer 17

Personal digital assistant

Question 18

This innovative method refers to any method that used images of food collected.

Answer 18

Image-assisted method

Question 19

This innovative method involves the use of interactive dietary assessment programs installed on a computer

Answer 19

Interactive computer and web-based technologies

Question 20

Interactive computer and web-based technologies are used for people with in what age group

Answer 20

Old age

Question 21

This innovative method is designed to be memory-independent and entirely passive for participants

Answer 21

Scan-and-Sensor-based technology

Question 22

For average intake of a group, _____ should be used for data collection

Answer 22

Single 24-recall

Question 23

For determining proportion of population at risk, _______ should be used for data collection

Answer 23

Repeat 24-hr recalls/records at least a subsample (30-40 per stratum)

Question 24

When are multiple-replicates of 24-hour recalls or FFQ/diet history used?

Answer 24

Level 3 or 4 objectives: Usual intakes of individuals for ranking or correlation

Question 25

A method with good ____ cannot have poor _____ reproducibility

Answer 25

validity, reproducibility