Studientyp:
Epidemiologische Studie
(Beobachtungsstudie)
Residence near high voltage facilities and risk of cancer in children
epidem.
[Wohnen neben Hochspannungseinrichtungen und das Risiko für Krebs im Kindesalter]
Von:
Olsen J, Nielsen A, Schulgen G
Veröffentlicht in: BMJ 1993; 307 (6909): 891-895
Ziel der Studie (lt. Autor)
In einer Fall-Kontroll-Studie in Dänemark wurde untersucht, ob das Wohnen in der Nähe von Hochspannungseinrichtungen das Risiko für Krebs im Kindesalter erhöht.
Endpunkt/Art der Risikoabschätzung
Art der Abschätzung:
(Odds Ratio (OR))
Exposition
Abschätzung
- Berechnung: Entfernung der Wohnung zur nächsten Hochspannungs-Einrichtung unter Berücksichtigung der Leitungs-Kategorie, Masten-Art, Anordnung der Phasen und Stromfluss in der Leitung
Expositionsgruppen
|
Gruppe
|
Charakteristik
|
|
Referenzgruppe 1
|
nicht exponiert
|
|
Gruppe 2
|
magnetische Feldstärke: < 0,10 µT
|
|
Gruppe 3
|
magnetische Feldstärke: ≥ 0,10 µT
|
|
Gruppe 4
|
magnetische Feldstärke: 0,10 - 0,24 µT
|
|
Gruppe 5
|
magnetische Feldstärke: ≥ 0,25 µT
|
|
Gruppe 6
|
magnetische Feldstärke: 0,10 - 0,39 µT
|
|
Gruppe 7
|
magnetische Feldstärke: ≥ 0,40 µT
|
Population
-
Gruppe:
-
Alter:
0–14 Jahre
-
Beobachtungszeitraum:
April 1968 - Dezember 1986
-
Studienort:
Dänemark
Fallgruppe
Kontrollgruppe
Studiengröße
|
Fälle |
Kontrollen |
| Anzahl geeignet |
1.707 |
4.788 |
Statistische Analysemethode:
(
Anpassung:
- Alter
- Geschlecht
- Tumorart
)
Ergebnisse (lt. Autor)
Etwa 0,5 % der dänischen Kinder lebten in Wohnungen mit Magnetfeldern von 0,1 µT und mehr. Seit 1945 stieg der Elektrizitätsverbrauch in Dänemark um das Dreißigfache, während die Inzidenz von Kinderkrebs nahezu unverändert blieb.
Ein signifikant erhöhtes Risiko wurde für die drei Kinderkrebsarten gemeinsam beobachtet bei einer Magnetfeld-Exposition von 0,4 µT und mehr, die durch Hochspannungseinrichtungen verursacht wurden. Kein signifikant erhöhtes Risiko wurde bei 0,25 µT gefunden. Aufgrund ihrer Ergebnisse schlussfolgerten die Autoren, dass der Anteil an Kinderkrebs, der möglicherweise durch elektromagnetische Felder bei 50 Hz verursacht wird, gering sei.
Studie gefördert durch
-
Association of Danish Energy Companies
-
Danish Cancer Society
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