Volume 100, Issue 2 pp. 206-213
Epidemiology

Relation of childhood brain tumors to exposure of parents and children to tobacco smoke: The Search international case-control study

Graziella Filippini

Corresponding Author

Graziella Filippini

Neuroepidemiology Research Unit, Istituto Nazionale Neurologico “C Besta”, Milan, Italy

Fax: +39-02-70638217

Istituto Nazionale Neurologico “C. Besta”, via Celoria 11, I-20133 Milan, ItalySearch for more papers by this author
Patrick Maisonneuve

Patrick Maisonneuve

Division of Epidemiology and Biostatistics, European Institute of Oncology, Milan, Italy

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Margaret McCredie

Margaret McCredie

Cancer Epidemiology Research Unit, New South Wales Cancer Council, Sydney, Australia, and Department of Preventive and Social Medicine, University of Otago, Dunedin, New Zealand

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Raphael Peris-Bonet

Raphael Peris-Bonet

Unidad de Información y Documentacion Medicosanitaria, IEDHC (CSIC-Universitat de Valencia), Valencia, Spain

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Baruch Modan

Baruch Modan

Department of Clinical Epidemiology, Chaim Sheba Medical Center, Sackler School of Medicine, Tel-Hashomer, Israel

Drs. Choi and Modan are deceased.

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Susan Preston-Martin

Susan Preston-Martin

Department of Preventive Medicine, Norris Comprehensive Cancer Center, University of Southern California School of Medicine, Los Angeles, CA, USA

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Beth A. Mueller

Beth A. Mueller

Fred Hutchison Cancer Research Center, Seattle, WA, USA

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Elizabeth A. Holly

Elizabeth A. Holly

Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA

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Sylvaine Cordier

Sylvaine Cordier

INSERM U435, Université de Rennes I, Rennes Cedex, France

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N.W. Choi

N.W. Choi

Manitoba Cancer Treatment and Research Foundation, Winnipeg, Canada

Drs. Choi and Modan are deceased.

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Julian Little

Julian Little

Department of Medicine and Therapeutics, University of Aberdeen Medical School, Aberdeen, Scotland

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Annie Arslan

Annie Arslan

International Agency for Research on Cancer, Lyon, France

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Peter Boyle

Peter Boyle

Division of Epidemiology and Biostatistics, European Institute of Oncology, Milan, Italy

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First published: 14 May 2002
Citations: 43

Abstract

The etiology of childhood brain tumors (CBTs) remains unknown. Tobacco smoke contains several known carcinogens and can induce DNA adducts in human placenta and hemoglobin adducts in fetuses. We present the results of an international case-control study to evaluate the association between CBTs and exposure of parents and children to cigarette smoke. The study was undertaken as part of the SEARCH program of the IARC. Nine centers in 7 countries were involved. The studies mainly covered the 1980s and early 1990s. Cases (1,218, ages 0–19 years) were children newly diagnosed with a primary brain tumor; there were 2,223 population-based controls. Most mothers who agreed to participate were interviewed in person at home. Odds ratios (ORs) were calculated by unconditional logistic regression, adjusted for age, sex and center, for all types of CBT combined, 4 CBT histotypes, 5 age groups and each center. There was no association between the risk of brain tumors in the child and parental smoking prior to pregnancy, maternal smoking or regular exposure to others' cigarette smoke during pregnancy at home or at work, or passive smoking by the child during the first year of life. These results did not change considering the child's age at diagnosis, the histologic type of tumor or center. © 2002 Wiley-Liss, Inc.

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