Study type:
Epidemiological study
Case-control study on occupational exposure to extremely low-frequency electromagnetic fields and the association with acoustic neuroma
epidem.
By:
Carlberg M, Koppel T, Ahonen M, Hardell L
Published in: Environ Res 2020; 187: 109621
Aim of study (acc. to author)
Endpoint/type of risk estimation
Type of risk estimation:
(odds ratio (OR))
Exposure
Assessment
Exposure groups
|
Group
|
Description
|
|
Reference group 1
|
cumulative exposure: < 2.33 µT-years
|
|
Group 2
|
cumulative exposure: 2.33 - < 3.79 µT-years
|
|
Group 3
|
cumulative exposure: 3.79 - < 5.55 µT-years
|
|
Group 4
|
cumulative exposure: 5.55 - < 8.52 µT-years
|
|
Group 5
|
cumulative exposure: ≥ 8.52 µT-years
|
|
Reference group 6
|
average exposure: < 0.11 μT
|
|
Group 7
|
average exposure: 0.11 - < 0.13 μT
|
|
Group 8
|
average exposure: 0.13 - < 0.18 μT
|
|
Group 9
|
average exposure: 0.18 - < 0.27 μT
|
|
Group 10
|
average exposure: ≥ 0.27 μT
|
|
Reference group 11
|
maximum exposed job: < 0.13 μT
|
|
Group 12
|
maximum exposed job: 0.13 - < 0.16 μT
|
|
Group 13
|
maximum exposed job: 0.16 - < 0.24 μT
|
|
Group 14
|
maximum exposed job: 0.24 - < 0.60 μT
|
|
Group 15
|
maximum exposed job: ≥ 0.60 μT
|
Population
-
Group:
-
Age:
20–80 years
-
Observation period:
1997 - 2003, 2007 - 2009
-
Study location:
Sweden
Case group
Control group
Study size
|
Cases |
Controls |
| Participants |
310 |
3,485 |
| Participation rate |
92 % |
86 % |
Statistical analysis method:
- unconditional logistic regression
- restricted cubic spline analysis
(
adjustment:
- age
- sex
- socioeconomic status
- year of diagnosis
)
Results (acc. to author)
Study funded by
-
Cancerhjälpen (Cancerhelp), Sweden
-
Kone Foundation, Finland
-
Pandora Foundation, Germany
Comments on this article
-
Carlberg M et al.
(2020):
Corrigendum to "Case-control study on occupational exposure to extremely low-frequency electromagnetic fields and the association with acoustic neuroma" [Environ. Res. (2020), 187, 109621]
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