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The Effectiveness Of A Short Food Frequency Questionnaire In Determining The Adequacy Of Vitamin D Intake In Children, Caitlin Russell
The Effectiveness Of A Short Food Frequency Questionnaire In Determining The Adequacy Of Vitamin D Intake In Children, Caitlin Russell
Caitlin S Russell
Background: Studies have consistently found a high prevalence of vitamin D deficiency in adolescents. Few validated dietary intake assessment tools for vitamin D exist for adolescents.
Objective: The aim of this study was to determine if a short food frequency questionnaire (SFFQ) can be used to effectively assess vitamin D intake in adolescents compared to a previously validated long food frequency questionnaire (LFFQ).
Participants/setting: 140 healthy 6-12 year old (male n=81) Caucasian and African American (n=94) children from Pittsburgh, Pennsylvania completed a SFFQ and LFFQ at two time points 6 months apart.
Main outcome measures: Reliability and validity of a …