Validation of a semi-quantitative Food Frequency Questionnaire for Argentinean adults.

Published on May 25, 2012in PLOS ONE2.78
· DOI :10.1371/journal.pone.0037958
Mahshid Dehghan22
Estimated H-index: 22
(Population Health Research Institute),
Silvia del Cerro1
Estimated H-index: 1
+ 4 AuthorsAnwar T. Merchant ScD Mph Dmd36
Estimated H-index: 36
(USC: University of South Carolina)
Background The Food Frequency Questionnaire (FFQ) is the most commonly used method for ranking individuals based on long term food intake in large epidemiological studies. The validation of an FFQ for specific populations is essential as food consumption is culture dependent. The aim of this study was to develop a Semi-quantitative Food Frequency Questionnaire (SFFQ) and evaluate its validity and reproducibility in estimating nutrient intake in urban and rural areas of Argentina. Methods/Principal Findings Overall, 256 participants in the Argentinean arm of the ongoing Prospective Urban and Rural Epidemiological study (PURE) were enrolled for development and validation of the SFFQ. One hundred individuals participated in the SFFQ development. The other 156 individuals completed the SFFQs on two occasions, four 24-hour Dietary Recalls (24DRs) in urban, and three 24DRs in rural areas during a one-year period. Correlation coefficients (r) and de-attenuated correlation coefficients between 24DRs and SFFQ were calculated for macro and micro-nutrients. The level of agreement between the two methods was evaluated using classification into same and extreme quartiles and the Bland-Altman method. The reproducibility of the SFFQ was assessed by Pearson correlation coefficients and Intra-class Correlation Coefficients (ICC). The SFFQ consists of 96 food items. In both urban and rural settings de-attenuated correlations exceeded 0.4 for most of the nutrients. The classification into the same and adjacent quartiles was more than 70% for urban and 60% for rural settings. The Pearson correlation between two SFFQs varied from 0.30–0.56 and 0.32–0.60 in urban and rural settings, respectively. Conclusion Our results showed that this SFFQ had moderate relative validity and reproducibility for macro and micronutrients in relation to the comparison method and can be used to rank individuals based on habitual nutrient intake.
  • References (27)
  • Citations (27)
#1Maria Jackson (UWI: University of the West Indies)H-Index: 19
#2Susan P Walker (UWI: University of the West Indies)H-Index: 40
Last.Franklyn I Bennett (UWI: University of the West Indies)H-Index: 30
view all 4 authors...
#1Frank B. Hu (Harvard University)H-Index: 202
#2Y. Liu (Harvard University)H-Index: 1
Last.Barry M. Popkin (Harvard University)H-Index: 318
view all 3 authors...
#1Wei Xia (HMU: Harbin Medical University)H-Index: 12
#2Caihong Sun (HMU: Harbin Medical University)H-Index: 12
Last.Li-JieWu (HMU: Harbin Medical University)H-Index: 14
view all 7 authors...
#1Esther Kim (Harvard University)H-Index: 6
#2Barry M. Popkin (Harvard University)H-Index: 318
Last.Mark D. Holmes (Harvard University)H-Index: 65
view all 5 authors...
#1M.L. Molag (WUR: Wageningen University and Research Centre)H-Index: 3
#2Jeanne H.M. de Vries (WUR: Wageningen University and Research Centre)H-Index: 29
Last.P. vantVeer (WUR: Wageningen University and Research Centre)H-Index: 48
view all 8 authors...
Cited By27
#1Imam Santoso (UB: University of Brawijaya)H-Index: 1
#2Susinggih Wijana (UB: University of Brawijaya)H-Index: 1
Last.Wenny Bekti Sunarharum (UB: University of Brawijaya)H-Index: 2
view all 4 authors...
#1Khaoula El Kinany (Sidi Mohamed Ben Abdellah University)H-Index: 1
#2Vanessa Garcia-Larsen (Imperial College London)H-Index: 11
Last.Karima El Rhazi (Sidi Mohamed Ben Abdellah University)H-Index: 2
view all 8 authors...
#1Victoria Miller (Population Health Research Institute)H-Index: 2
#2Andrew Mente (Population Health Research Institute)H-Index: 30
Last.Scott A. Lear (SFU: Simon Fraser University)H-Index: 39
view all 355 authors...
View next paperDevelopment, validation and utilisation of food-frequency questionnaires – a review