Evaluation of a Modified Italian European Prospective Investigation into Cancer and Nutrition Food Frequency Questionnaire for Individuals with Celiac Disease

Teresa Mazzeo, Leda Roncoroni, Vincenza Lombardo, Carolina Tomba, Luca Elli, Sabina Sieri, Sara Grioni, Maria T. Bardella, Carlo Agostoni, Luisa Doneda, Furio Brighenti, Nicoletta Pellegrini

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Background: To date, it is unclear whether individuals with celiac disease following a gluten-free (GF) diet for several years have adequate intake of all recommended nutrients. Lack of a food frequency questionnaire (FFQ) for individuals with celiac disease could be partly responsible for this still-debated issue. Objective: The aim of the study is to evaluate the performance of a modified European Prospective Investigation into Cancer and Nutrition (EPIC) FFQ in estimating nutrient and food intake in a celiac population. Design: In a cross-sectional study, the dietary habits of individuals with celiac disease were reported using a modified Italian EPIC FFQ and were compared to a 7-day weighed food record as a reference method. Participants/setting: A total of 200 individuals with histologically confirmed celiac disease were enrolled in the study between October 2012 and August 2014 at the Center for Prevention and Diagnosis of Celiac Disease (Milan, Italy). Main outcome measures: Nutrient and food category intake were calculated by 7-day weighed food record using an Italian food database integrated with the nutrient composition of 60 GF foods and the modified EPIC FFQ, in which 24 foods were substituted with GF foods comparable for energy and carbohydrate content. Statistical analyses performed: An evaluation of the modified FFQ compared to 7-day weighed food record in assessing the reported intake of nutrient and food groups was conducted using Spearman's correlation coefficients and weighted κ. Results: One hundred individuals completed the study. The Spearman's correlation coefficients of FFQ and 7-day weighed food record ranged from .13 to .73 for nutrients and from .23 to .75 for food groups. A moderate agreement, which was defined as a weighted κ value of .40 to .60, was obtained for 30% of the analyzed nutrients, and 40% of the nutrients showed values between .30 and .40. The weighted κ exceeded .40 for 60% of the 15 analyzed food groups. Conclusions: The modified EPIC FFQ demonstrated moderate congruence with a weighed food record in ranking individuals by dietary intakes, particularly food groups.

Original languageEnglish
Pages (from-to)1810-1816
Number of pages7
JournalJournal of the Academy of Nutrition and Dietetics
Volume116
Issue number11
DOIs
Publication statusPublished - 2016

Fingerprint

celiac disease
food frequency questionnaires
Celiac Disease
food records
nutrition
Food
food groups
neoplasms
gluten-free foods
Neoplasms
nutrients
energy content
nutrient intake
food intake
gluten-free diet
Adequate Intakes
Surveys and Questionnaires
carbohydrate content
cross-sectional studies
abdomen

Keywords

  • Dietary assessment
  • Food frequency questionnaire
  • Gluten-free diet
  • Individuals with celiac disease
  • Validity

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics

Cite this

Evaluation of a Modified Italian European Prospective Investigation into Cancer and Nutrition Food Frequency Questionnaire for Individuals with Celiac Disease. / Mazzeo, Teresa; Roncoroni, Leda; Lombardo, Vincenza; Tomba, Carolina; Elli, Luca; Sieri, Sabina; Grioni, Sara; Bardella, Maria T.; Agostoni, Carlo; Doneda, Luisa; Brighenti, Furio; Pellegrini, Nicoletta.

In: Journal of the Academy of Nutrition and Dietetics, Vol. 116, No. 11, 2016, p. 1810-1816.

Research output: Contribution to journalArticle

Mazzeo, Teresa ; Roncoroni, Leda ; Lombardo, Vincenza ; Tomba, Carolina ; Elli, Luca ; Sieri, Sabina ; Grioni, Sara ; Bardella, Maria T. ; Agostoni, Carlo ; Doneda, Luisa ; Brighenti, Furio ; Pellegrini, Nicoletta. / Evaluation of a Modified Italian European Prospective Investigation into Cancer and Nutrition Food Frequency Questionnaire for Individuals with Celiac Disease. In: Journal of the Academy of Nutrition and Dietetics. 2016 ; Vol. 116, No. 11. pp. 1810-1816.
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abstract = "Background: To date, it is unclear whether individuals with celiac disease following a gluten-free (GF) diet for several years have adequate intake of all recommended nutrients. Lack of a food frequency questionnaire (FFQ) for individuals with celiac disease could be partly responsible for this still-debated issue. Objective: The aim of the study is to evaluate the performance of a modified European Prospective Investigation into Cancer and Nutrition (EPIC) FFQ in estimating nutrient and food intake in a celiac population. Design: In a cross-sectional study, the dietary habits of individuals with celiac disease were reported using a modified Italian EPIC FFQ and were compared to a 7-day weighed food record as a reference method. Participants/setting: A total of 200 individuals with histologically confirmed celiac disease were enrolled in the study between October 2012 and August 2014 at the Center for Prevention and Diagnosis of Celiac Disease (Milan, Italy). Main outcome measures: Nutrient and food category intake were calculated by 7-day weighed food record using an Italian food database integrated with the nutrient composition of 60 GF foods and the modified EPIC FFQ, in which 24 foods were substituted with GF foods comparable for energy and carbohydrate content. Statistical analyses performed: An evaluation of the modified FFQ compared to 7-day weighed food record in assessing the reported intake of nutrient and food groups was conducted using Spearman's correlation coefficients and weighted κ. Results: One hundred individuals completed the study. The Spearman's correlation coefficients of FFQ and 7-day weighed food record ranged from .13 to .73 for nutrients and from .23 to .75 for food groups. A moderate agreement, which was defined as a weighted κ value of .40 to .60, was obtained for 30{\%} of the analyzed nutrients, and 40{\%} of the nutrients showed values between .30 and .40. The weighted κ exceeded .40 for 60{\%} of the 15 analyzed food groups. Conclusions: The modified EPIC FFQ demonstrated moderate congruence with a weighed food record in ranking individuals by dietary intakes, particularly food groups.",
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author = "Teresa Mazzeo and Leda Roncoroni and Vincenza Lombardo and Carolina Tomba and Luca Elli and Sabina Sieri and Sara Grioni and Bardella, {Maria T.} and Carlo Agostoni and Luisa Doneda and Furio Brighenti and Nicoletta Pellegrini",
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AU - Roncoroni, Leda

AU - Lombardo, Vincenza

AU - Tomba, Carolina

AU - Elli, Luca

AU - Sieri, Sabina

AU - Grioni, Sara

AU - Bardella, Maria T.

AU - Agostoni, Carlo

AU - Doneda, Luisa

AU - Brighenti, Furio

AU - Pellegrini, Nicoletta

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N2 - Background: To date, it is unclear whether individuals with celiac disease following a gluten-free (GF) diet for several years have adequate intake of all recommended nutrients. Lack of a food frequency questionnaire (FFQ) for individuals with celiac disease could be partly responsible for this still-debated issue. Objective: The aim of the study is to evaluate the performance of a modified European Prospective Investigation into Cancer and Nutrition (EPIC) FFQ in estimating nutrient and food intake in a celiac population. Design: In a cross-sectional study, the dietary habits of individuals with celiac disease were reported using a modified Italian EPIC FFQ and were compared to a 7-day weighed food record as a reference method. Participants/setting: A total of 200 individuals with histologically confirmed celiac disease were enrolled in the study between October 2012 and August 2014 at the Center for Prevention and Diagnosis of Celiac Disease (Milan, Italy). Main outcome measures: Nutrient and food category intake were calculated by 7-day weighed food record using an Italian food database integrated with the nutrient composition of 60 GF foods and the modified EPIC FFQ, in which 24 foods were substituted with GF foods comparable for energy and carbohydrate content. Statistical analyses performed: An evaluation of the modified FFQ compared to 7-day weighed food record in assessing the reported intake of nutrient and food groups was conducted using Spearman's correlation coefficients and weighted κ. Results: One hundred individuals completed the study. The Spearman's correlation coefficients of FFQ and 7-day weighed food record ranged from .13 to .73 for nutrients and from .23 to .75 for food groups. A moderate agreement, which was defined as a weighted κ value of .40 to .60, was obtained for 30% of the analyzed nutrients, and 40% of the nutrients showed values between .30 and .40. The weighted κ exceeded .40 for 60% of the 15 analyzed food groups. Conclusions: The modified EPIC FFQ demonstrated moderate congruence with a weighed food record in ranking individuals by dietary intakes, particularly food groups.

AB - Background: To date, it is unclear whether individuals with celiac disease following a gluten-free (GF) diet for several years have adequate intake of all recommended nutrients. Lack of a food frequency questionnaire (FFQ) for individuals with celiac disease could be partly responsible for this still-debated issue. Objective: The aim of the study is to evaluate the performance of a modified European Prospective Investigation into Cancer and Nutrition (EPIC) FFQ in estimating nutrient and food intake in a celiac population. Design: In a cross-sectional study, the dietary habits of individuals with celiac disease were reported using a modified Italian EPIC FFQ and were compared to a 7-day weighed food record as a reference method. Participants/setting: A total of 200 individuals with histologically confirmed celiac disease were enrolled in the study between October 2012 and August 2014 at the Center for Prevention and Diagnosis of Celiac Disease (Milan, Italy). Main outcome measures: Nutrient and food category intake were calculated by 7-day weighed food record using an Italian food database integrated with the nutrient composition of 60 GF foods and the modified EPIC FFQ, in which 24 foods were substituted with GF foods comparable for energy and carbohydrate content. Statistical analyses performed: An evaluation of the modified FFQ compared to 7-day weighed food record in assessing the reported intake of nutrient and food groups was conducted using Spearman's correlation coefficients and weighted κ. Results: One hundred individuals completed the study. The Spearman's correlation coefficients of FFQ and 7-day weighed food record ranged from .13 to .73 for nutrients and from .23 to .75 for food groups. A moderate agreement, which was defined as a weighted κ value of .40 to .60, was obtained for 30% of the analyzed nutrients, and 40% of the nutrients showed values between .30 and .40. The weighted κ exceeded .40 for 60% of the 15 analyzed food groups. Conclusions: The modified EPIC FFQ demonstrated moderate congruence with a weighed food record in ranking individuals by dietary intakes, particularly food groups.

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KW - Food frequency questionnaire

KW - Gluten-free diet

KW - Individuals with celiac disease

KW - Validity

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