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Cancer Causes & Control

, Volume 26, Issue 6, pp 871–879 | Cite as

Childhood folate, B6, B12, and food group intake and the risk of childhood brain tumors: results from an Australian case–control study

  • Kathryn R. Greenop
  • Margaret Miller
  • Helen D. Bailey
  • Nicholas H. de Klerk
  • John Attia
  • Stewart J. Kellie
  • Carol Bower
  • Bruce K. Armstrong
  • Elizabeth Milne
Original paper

Abstract

Purpose

The etiology of childhood brain tumors (CBT) is poorly understood, but dietary factors could be involved. In this case–control study of CBT, the possible associations of childhood intake of dietary and supplemental folate, vitamin B6, and vitamin B12 with the risk of CBT were investigated, along with various food groups.

Methods

Cases diagnosed between 2005 and 2010 were identified from 10 pediatric oncology centers in Australia and controls by nationwide random-digit dialling. For study children of ages 3–14 years, diet in the year before diagnosis (or recruitment) was assessed using food frequency questionnaires. Folate intake was adjusted for bioavailability, and dietary micronutrient intake was energy-adjusted. Micronutrients and food groups were analyzed using logistic regression adjusting for relevant confounders. Principal components analysis was conducted to assess food group intake patterns for analysis.

Results

Food and micronutrient data were available for 216 cases and 523 controls. Folate intake was associated with a reduced risk of CBT overall (odds ratio for highest tertile vs. lowest: 0.63, 95 % confidence interval 0.41, 0.97) and particularly low-grade gliomas (odds ratio for highest tertile vs. lowest: 0.52, 95 % confidence interval 0.29, 0.92). Vitamin B6 and B12 intake was not associated with CBT risk, nor was processed meat.

Conclusions

High folate intake during childhood may reduce the risk of CBT. This potentially important finding needs to be corroborated in other studies. If replicated, these results could have important implications for public health recommendations regarding diet during childhood.

Keywords

Child Brain tumors Folate Neoplasms Micronutrients Processed meat Vitamins 

Notes

Acknowledgments

The Aus-CBT consortium conducted the study, and the Telethon Kids Institute, University of Western Australia, was the coordinating center. Bruce Armstrong (Sydney School of Public Health, University of Sydney); Elizabeth Milne, Nicholas de Klerk, Carol Bower, Peter Dallas (Telethon Kids Institute); Frank van Bockxmeer (Royal Perth Hospital, University of WA); Rodney Scott and John Attia (University of Newcastle); Lin Fritschi (WA Institute for Medical Research); Lesley Ashton, Michelle Haber, and Murray Norris (Children’s Cancer Institute Australia for Medical Research, Lowy Cancer Research Centre, UNSW); Margaret Miller (Edith Cowan University); and Judith Thompson (WA Cancer Registry) were the research investigators. The authors acknowledge the contribution made by our clinical co-investigators who recruited and cared for study patients at each participating hospital: Nicholas Gottardo (Princess Margaret Hospital, Telethon Kids); John Heath and Elizabeth Smibert (Royal Children’s Hospital, Melbourne); Peter Downie (Monash Medical Centre, Melbourne); Tim Hassall and Ross Pinkerton (Royal Children’s Hospital Brisbane); Maria Kirby (Women’s and Children’s Hospital, Adelaide); Stewart Kellie and Luciano Dalla-Pozza (Children’s Hospital at Westmead); Frank Alvaro (John Hunter Hospital, Newcastle); Richard Cohn (Sydney Children’s Hospital); and John Daubenton (Royal Hobart Hospital). The authors also acknowledge the Clinical Research Associates at each hospital, the study coordinators: Jackie Mansour, Somer Dawson, Tamika Heiden, and Helen Bailey. We also acknowledge Peter Cosgrove for programming the estimation of dietary intake from the food frequency questionnaires. The National Health and Medical Research Council (NHMRC) funded Aus-ALL (Grant Number: 254539) and Aus-CBT (Grant Number: 404089). Elizabeth Milne and Carol Bower were supported by NHMRC Fellowships (#513910 and #634341, respectively) and by an NHMRC Program Grant (#572742). Funding for analysis in 2013–2014 was provided by donations from The Telethon Adventurers.

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

10552_2015_562_MOESM1_ESM.doc (114 kb)
Supplementary material 1 (DOC 114 kb)

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Kathryn R. Greenop
    • 1
  • Margaret Miller
    • 2
  • Helen D. Bailey
    • 1
    • 3
  • Nicholas H. de Klerk
    • 1
  • John Attia
    • 4
    • 5
  • Stewart J. Kellie
    • 6
    • 7
  • Carol Bower
    • 1
  • Bruce K. Armstrong
    • 8
    • 9
  • Elizabeth Milne
    • 1
  1. 1.Telethon Kids InstituteUniversity of Western AustraliaPerthAustralia
  2. 2.Child Health Promotion Research Centre, School of Exercise and Health SciencesEdith Cowan UniversityMount LawleyAustralia
  3. 3.Section of Environment and RadiationInternational Agency for Research on CancerLyonFrance
  4. 4.Hunter Medical Research InstituteJohn Hunter HospitalNewcastleAustralia
  5. 5.School of Medicine and Public Health, Faculty of HealthUniversity of NewcastleNewcastleAustralia
  6. 6.The Children’s Hospital at WestmeadSydneyAustralia
  7. 7.Discipline of Paediatrics and Child HealthUniversity of SydneySydneyAustralia
  8. 8.Sax InstituteSydneyAustralia
  9. 9.Sydney School of Public HealthUniversity of SydneySydneyAustralia

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