title: Assessing Peanut Consumption in a Population of Mothers and Their Children in the UK.
abstract: BACKGROUND
  Food frequency questionnaires (FFQs) are essential tools to investigate the relationship between peanut consumption and the development of peanut allergy. The aim was to validate a 50-item FFQ for use in peanut protein sensitization studies.
  
  
  METHODS
  There were 38 mother-child pairs visiting a pediatric clinic of a London hospital included. Mothers recorded their own and their child's diet, using a 7 day food diary (7DFDR), completed prospectively over week. Six months later, they tried to recall the consumption of food items for the index week on a FFQ.
  
  
  RESULTS
  Of these, 33 out of 38 mothers completed both the 7DFDR and the recall FFQ. Although there was considerable variation at the individual level between the 2 tools, there was extremely close agreement between the mean 7DFDR response and the FFQ when considering groups of fives with similar FFQ levels. Agreement was apparent on both peanut and other control foods consumption patterns.
  
  
  CONCLUSIONS
  The FFQ will reliably divide the population into groups with markedly different peanut consumption levels. It accurately reflects true adults and children peanut consumption, especially at low levels of peanut consumption, as it was validated against the gold standard, the 7DFDR. It also provides a good measure of other foods consumption.
authors.affiliation: Institute of Child Health, M.Asias 76, Gr-11527, Athens, Greece. St Mary's Hospital, Paediatric Department, QEQM Building, Praed Street, W2 1NY, London, UK.
authors.forename: Aikaterini
authors.initials: A
authors.lastname: Sofianou-Katsoulis
authors.forename: David
authors.initials: D
authors.lastname: Mesher
authors.forename: Peter
authors.initials: P
authors.lastname: Sasieni
authors.forename: George
authors.initials: G
authors.lastname: Du Toit
authors.forename: Adam T
authors.initials: AT
authors.lastname: Fox
authors.forename: Gideon
authors.initials: G
authors.lastname: Lack