Reproducibility and intermethod reliability of a calcium food frequency questionnaire for use in hispanic, non-hispanic black, and non-hispanic white youth

Nicholas J. Ollberding, Vicente Gilsanz, Joan M. Lappe, Sharon E. Oberfield, John A. Shepherd, Karen K. Winer, Babette S. Zemel, Heidi J. Kalkwarf

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Background: A dietary assessment instrument designed for use in a nationally representative pediatric population was required to examine associations between calcium intake and bone mineral accrual in a large, multicenter study. Objective: To determine the reproducibility and intermethod reliability of a youth calcium food frequency questionnaire (FFQ) in a multiracial/ethnic sample of children and adolescents. Design: Reproducibility (n=69) and intermethod reliability (n=393) studies were conducted by administering repeat FFQs and three unannounced 24-hour dietary recalls to stratified random samples of individuals participating in the Bone Mineral Density in Childhood Study. Participants/setting: Children and adolescents ages 5 to 21 years. Main outcome measures: Calcium intake estimated from the FFQ and 24-hour dietary recalls. Statistical analysis: Reproducibility was assessed by the intraclass correlation coefficient (ICC). Intermethod reliability was assessed by deattenuated Pearson correlations between the FFQ and 24-hour recalls. Attenuation factors and calibration corrected effect estimates for bone density were calculated to determine the potential influence of measurement error on associations with health outcomes. Results: The ICC (0.61) for repeat administrations and deattenuated Pearson correlation between the FFQ and 24-hour recalls (r=0.60) for all subjects indicated reproducibility and intermethod reliability (Pearson r=0.50 to 0.74 across sex and age groups). Attenuation factors were ≤0.50 for all sex and age groups and lower for non-Hispanic blacks (λ=0.20) and Hispanics (λ=0.26) than for non-Hispanic whites (λ=0.42). Conclusions: The Bone Mineral Density in Childhood Study calcium FFQ appears to provide a useful tool for assessing calcium intake in children and adolescents drawn from multiracial/ethnic populations and/or spanning a wide age range. However, similar to other FFQs, attenuation factors were substantially

Original languageEnglish
Pages (from-to)519-527
Number of pages9
JournalJournal of the Academy of Nutrition and Dietetics
Volume115
Issue number4
DOIs
StatePublished - Apr 1 2015

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food frequency questionnaires
Hispanic Americans
reproducibility
Calcium
bone density
calcium
Food
Bone Density
diet recall
childhood
Age Groups
gender
Calibration
Population
Multicenter Studies
Minerals
calibration
statistical analysis
Eating
bones

All Science Journal Classification (ASJC) codes

  • Food Science
  • Nutrition and Dietetics

Cite this

Reproducibility and intermethod reliability of a calcium food frequency questionnaire for use in hispanic, non-hispanic black, and non-hispanic white youth. / Ollberding, Nicholas J.; Gilsanz, Vicente; Lappe, Joan M.; Oberfield, Sharon E.; Shepherd, John A.; Winer, Karen K.; Zemel, Babette S.; Kalkwarf, Heidi J.

In: Journal of the Academy of Nutrition and Dietetics, Vol. 115, No. 4, 01.04.2015, p. 519-527.

Research output: Contribution to journalArticle

Ollberding, Nicholas J. ; Gilsanz, Vicente ; Lappe, Joan M. ; Oberfield, Sharon E. ; Shepherd, John A. ; Winer, Karen K. ; Zemel, Babette S. ; Kalkwarf, Heidi J. / Reproducibility and intermethod reliability of a calcium food frequency questionnaire for use in hispanic, non-hispanic black, and non-hispanic white youth. In: Journal of the Academy of Nutrition and Dietetics. 2015 ; Vol. 115, No. 4. pp. 519-527.
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abstract = "Background: A dietary assessment instrument designed for use in a nationally representative pediatric population was required to examine associations between calcium intake and bone mineral accrual in a large, multicenter study. Objective: To determine the reproducibility and intermethod reliability of a youth calcium food frequency questionnaire (FFQ) in a multiracial/ethnic sample of children and adolescents. Design: Reproducibility (n=69) and intermethod reliability (n=393) studies were conducted by administering repeat FFQs and three unannounced 24-hour dietary recalls to stratified random samples of individuals participating in the Bone Mineral Density in Childhood Study. Participants/setting: Children and adolescents ages 5 to 21 years. Main outcome measures: Calcium intake estimated from the FFQ and 24-hour dietary recalls. Statistical analysis: Reproducibility was assessed by the intraclass correlation coefficient (ICC). Intermethod reliability was assessed by deattenuated Pearson correlations between the FFQ and 24-hour recalls. Attenuation factors and calibration corrected effect estimates for bone density were calculated to determine the potential influence of measurement error on associations with health outcomes. Results: The ICC (0.61) for repeat administrations and deattenuated Pearson correlation between the FFQ and 24-hour recalls (r=0.60) for all subjects indicated reproducibility and intermethod reliability (Pearson r=0.50 to 0.74 across sex and age groups). Attenuation factors were ≤0.50 for all sex and age groups and lower for non-Hispanic blacks (λ=0.20) and Hispanics (λ=0.26) than for non-Hispanic whites (λ=0.42). Conclusions: The Bone Mineral Density in Childhood Study calcium FFQ appears to provide a useful tool for assessing calcium intake in children and adolescents drawn from multiracial/ethnic populations and/or spanning a wide age range. However, similar to other FFQs, attenuation factors were substantially",
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AU - Ollberding, Nicholas J.

AU - Gilsanz, Vicente

AU - Lappe, Joan M.

AU - Oberfield, Sharon E.

AU - Shepherd, John A.

AU - Winer, Karen K.

AU - Zemel, Babette S.

AU - Kalkwarf, Heidi J.

PY - 2015/4/1

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N2 - Background: A dietary assessment instrument designed for use in a nationally representative pediatric population was required to examine associations between calcium intake and bone mineral accrual in a large, multicenter study. Objective: To determine the reproducibility and intermethod reliability of a youth calcium food frequency questionnaire (FFQ) in a multiracial/ethnic sample of children and adolescents. Design: Reproducibility (n=69) and intermethod reliability (n=393) studies were conducted by administering repeat FFQs and three unannounced 24-hour dietary recalls to stratified random samples of individuals participating in the Bone Mineral Density in Childhood Study. Participants/setting: Children and adolescents ages 5 to 21 years. Main outcome measures: Calcium intake estimated from the FFQ and 24-hour dietary recalls. Statistical analysis: Reproducibility was assessed by the intraclass correlation coefficient (ICC). Intermethod reliability was assessed by deattenuated Pearson correlations between the FFQ and 24-hour recalls. Attenuation factors and calibration corrected effect estimates for bone density were calculated to determine the potential influence of measurement error on associations with health outcomes. Results: The ICC (0.61) for repeat administrations and deattenuated Pearson correlation between the FFQ and 24-hour recalls (r=0.60) for all subjects indicated reproducibility and intermethod reliability (Pearson r=0.50 to 0.74 across sex and age groups). Attenuation factors were ≤0.50 for all sex and age groups and lower for non-Hispanic blacks (λ=0.20) and Hispanics (λ=0.26) than for non-Hispanic whites (λ=0.42). Conclusions: The Bone Mineral Density in Childhood Study calcium FFQ appears to provide a useful tool for assessing calcium intake in children and adolescents drawn from multiracial/ethnic populations and/or spanning a wide age range. However, similar to other FFQs, attenuation factors were substantially

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