Power-frequency electric and magnetic fields and risk of childhood leukemia in Canada epidem.

[Elektrische und magnetische Netzfrequenz-Felder und das Risiko von Leukämie im Kindesalter in Kanada]

Ziel der Studie (lt. Autor)

Endpunkt/Art der Risikoabschätzung

• Leukämie im Kindesalter: akute lymphatische Leukämie

Exposition

• • 50/60 Hz
  • elektrisches Feld
  • magnetisches Feld
• • Hochspannungsfreileitung
• • häusliche Exposition

Abschätzung

• Wire Code: Wertheimer-Leeper-Schema, Kaune-Savitz-Schema
• Messung: 24-Stunden-Messung im Kinderzimmer, Messung außerhalb der Wohnung
• Dosimeter: 48-Stunden-Messung der elektrischen und magnetischen Felder am Körper

Expositionsgruppen

Population

• Gruppe:
  • Kinder
• Alter: 0–14 Jahre
• Beobachtungszeitraum: Januar 1990 - Dezember 1994, bis Juni 1995 in British Columbia und Quebec
• Studienort: Kanada (Provinzen British Columbia, Alberta, Saskatchewan, Manitoba und Quebec)

Fallgruppe

• Merkmale: Leukämie
• Datenquelle: Kinder-Onkologie-Behandlungszentren der Provinzen, Krebsregister
• Ausschlusskriterien: Down-Syndrom

Kontrollgruppe

• Auswahl:
  • populationsbezogen
• Matching:
  • Geschlecht
  • Alter
  • Provinz
  • Fall:Kontrolle = 1:1

Studiengröße

Ergebnisse (lt. Autor)

Studie gefördert durch

• Canadian Electricity Association (CEA), Canada
• Electric Power Research Institute (EPRI), USA
• Health Canada

Kommentare zu diesem Artikel

• McBride ML et al. (1999): Reply: "Power-frequency electric and magnetic fields and risk of childhood leukemia in Canada"

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