Validation of a food frequency questionnaire for assessing macronutrient and calcium intake in adult pakistani population

Romaina Iqbal, Mohammad Ali Haroon, Farhan Javed Dar, Mujtaba Bilgirami, Gulshan Bano, Aysha Habib Khan

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Objective: To develop and validate a food frequency table (FFQ) for use in urban Pakistani population. Study Design: A validation study. Place and Duration of Study: The Aga Khan University, Karachi, from June to November 2008. Methodology: Healthy adult females, aged ≥ 18 years who consented to be included in the study were inducted, while males, unhealthy females, aged below 18 years or who did not consent were excluded. The FFQ was administered once while 4, 24 hours recalls spread over a period of one year were administered as the reference method. Daily intakes for energy, protein, fat, and calcium intake were estimated for both the tools. Crude and energy adjusted correlations for nutrient intakes were computed for the FFQ and mean of 4, 24 hours recalls and serum N-telopeptide of type-I collagen (NTx). Results: The correlation coefficients for the FFQ with mean of 4, 24 hours recall ranged from 0.21 for protein to 0.36 for calcium, while the correlation for nutrient estimates from the FFQ with NTx ranged from -0.07 for calcium to 0.01 for energy. Conclusion: Highly significant correlations were found for nutrient intakes estimated from the FFQ vs. those estimated from the mean of 4, 24 hours recalls but no correlations was found between nutrient estimates from the FFQ and serum NTx levels. FFQ was concluded to be a valid tool for assessing dietary intake of adult females in Pakistan.

Original languageEnglish
Pages (from-to)224-227
Number of pages4
JournalJournal of the College of Physicians and Surgeons--Pakistan : JCPSP
Volume24
Issue number4
Publication statusPublished - Apr 2014

Keywords

  • Bone turnover
  • Calcium
  • Females
  • Food frequency questionnaire
  • Macronutrient intake
  • N-telopeptide of type-I collagen

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