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Dietary assessment
Methods used to evaluate food and nutrient intake of individuals.
Food diaries
A systematic record where individuals document everything they eat and drink over a specific period.
Nutritional biomarkers
Biological markers used to assess nutritional status or dietary intake.
Recall bias
A systematic error where participants may misremember or misreport their dietary intake.
Objective dietary assessment methods
Methods that involve measurable data not influenced by personal feelings, such as biomarkers.
Subjective dietary assessment methods
Methods based on personal accounts or reporting, including food diaries and questionnaires.
Portion distortion
A phenomenon where the perception of portion sizes has changed over time, typically increasing.
Food frequency questionnaires
A tool used to assess dietary patterns based on how often specific foods are consumed.
Limitations of food records
Challenges such as biased measurement and high respondent burden associated with recording dietary intake.
Energy intake
The total amount of energy consumed from food and beverages, often measured in calories.
Biomarkers validation
A process by which dietary assessment methods are correlated with biological indicators.
Anthropometric assessment
Measurement of the human body's physical dimensions to assess nutritional status.
Diet history methods
A dietary assessment technique that evaluates a person’s typical food intake over an extended period.
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