New technologies applied to food frequency questionnaires: a current perspective

Area of Science:

• Epidemiology
• Nutritional Science
• Public Health

Background:

• Food frequency questionnaires (FFQs) are essential tools for dietary assessment in epidemiological studies.
• Traditional paper-based FFQs have limitations in data collection and analysis.
• Information and communication technologies have enabled the development of digital FFQ formats.

Purpose of the Study:

• To provide a comprehensive overview of new technologies applied to FFQs.
• To highlight the advantages of web-based surveys over traditional print surveys.
• To review studies that have utilized web-based and computerized FFQs.

Main Methods:

• Literature review of studies employing digital FFQ methodologies.
• Comparative analysis of web-based versus print-based survey strengths.
• Synthesis of current applications and purposes of FFQs in research.

Main Results:

• Digital FFQs offer enhanced data accuracy and efficiency compared to paper versions.
• Web-based platforms facilitate easier data management and analysis in large-scale studies.
• Numerous studies demonstrate the successful implementation of computerized and internet-based FFQs.

Conclusions:

• The adoption of digital technologies significantly improves the utility of FFQs in epidemiological research.
• Web-based and computerized FFQs represent a modern advancement in dietary assessment.
• Future research should continue to explore and refine digital FFQ methodologies.