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[Not Available].

Leticia Goni1, Maritza Aray Miranda, J. Alfredo Martínez

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Summary

This study validates a new food groups frequency questionnaire (FGFQ) using an exchange system. The FGFQ shows comparable results to traditional methods for assessing dietary intake and nutrient distribution.

Keywords:
ValidationFood groups frequency questionnaire (FGFQ)Dietary record methodDietary assessmentNutrients

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Area of Science:

  • Nutritional Epidemiology
  • Dietary Assessment Methods

Background:

  • Assessing dietary intake and eating habits is crucial for understanding disease risk.
  • Food frequency questionnaires (FFQ) are widely used in clinical and epidemiological research.
  • Validation of dietary assessment tools is essential for reliable data collection.

Purpose of the Study:

  • To validate a novel food groups frequency questionnaire (FGFQ) utilizing an exchange system.
  • To compare the FGFQ against a 7-day food record (FR) as the reference standard.
  • To evaluate the FGFQ's utility for assessing energy and macronutrient distribution.

Main Methods:

  • Recruitment of 60 healthy adult participants (males and females).
  • Application of the FGFQ by a dietitian, followed by completion of a 7-day food record (FR).
  • Statistical analysis including correlation coefficients and intraclass correlation coefficients.

Main Results:

  • Correlation coefficients between FGFQ and FR ranged from r = 0.3 to r = 0.6 (p < 0.01).
  • Intraclass correlation coefficients ranged from r = 0.2 to r = 0.6 (p < 0.01).
  • Cross-classification analysis indicated over 80% of participants were categorized into identical or adjacent quartiles by both methods.

Conclusions:

  • The developed 19-group exchange-based FGFQ demonstrates comparable results to existing dietary assessment models.
  • The FGFQ offers a rapid outcome for assessing energy and macronutrient distribution.
  • This validated FGFQ can be a valuable tool in nutritional research and practice.