Study type:
Epidemiological study
(observational study)
Neurodegenerative disease and magnetic field exposure in UK electricity supply workers
epidem.
By:
Sorahan T, Mohammed N
Published in: Occup Med 2014; 64 (6): 454-460
Aim of study (acc. to author)
Further details
Endpoint/type of risk estimation
Type of risk estimation:
(relative risk (RR))
Exposure
Assessment
Exposure groups
Group
|
Description
|
Reference group 1
|
occupational cumulative lifetime exposure to magnetic fields: 0 - < 2.5 µT-years
|
Group 2
|
occupational cumulative lifetime exposure to magnetic fields: 2.5 - < 5.0 µT-years
|
Group 3
|
occupational cumulative lifetime exposure to magnetic fields: 5.0 - < 10.0 µT-years
|
Group 4
|
occupational cumulative lifetime exposure to magnetic fields: 10.0 - < 20.0 µT-years
|
Group 5
|
occupational cumulative lifetime exposure to magnetic fields: ≥ 20 µT-years
|
Reference group 6
|
occupational exposure to magnetic fields received >10 years ago (lagged exposure): 0 - < 2.5 µT-years
|
Group 7
|
occupational exposure to magnetic fields received >10 years ago (lagged exposure): 2.5 - < 5.0 µT-years
|
Group 8
|
occupational exposure to magnetic fields received >10 years ago (lagged exposure): 5.0 - < 10.0 µT-years
|
Group 9
|
occupational exposure to magnetic fields received >10 years ago (lagged exposure): 10.0 - < 20.0 µT-years
|
Group 10
|
occupational exposure to magnetic fields received >10 years ago (lagged exposure): ≥ 20 µT-years
|
Reference group 11
|
occupational exposure to magnetic fields received <10 years ago (lugged exposure): 0 - < 2.5 µT-years
|
Group 12
|
occupational exposure to magnetic fields received <10 years ago (lugged exposure): 2.5 - < 5.0 µT-years
|
Group 13
|
occupational exposure to magnetic fields received <10 years ago (lugged exposure): 5.0 - < 10.0 µT-years
|
Group 14
|
occupational exposure to magnetic fields received <10 years ago (lugged exposure): 10.0 - < 20.0 µT-years
|
Group 15
|
occupational exposure to magnetic fields received <10 years ago (lugged exposure): ≥ 20 µT-years
|
Population
-
Group:
-
Age:
18–95 years
-
Characteristics:
employees of the former Central Electricity Generating Board (CEGB) of England and Wales hired in the period 1952-1982 with a minimum of 6 month employment and some employment after 1 January 1973
-
Observation period:
1973 - 2010
-
Study location:
UK
-
Data source:
death certificates
Study size
Statistical analysis method:
(
adjustment:
- age
- sex
- socioeconomic status
- calender period
)
Results (acc. to author)
Study funded by
-
Energy Networks Association (ENA), UK
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