Study type:
Epidemiological study
(observational study)
Role of electromagnetic field exposure in childhood acute lymphoblastic leukemia and no impact of urinary alpha-amylase - a case control study in Tehran, Iran
epidem.
By:
Tabrizi MM, Hosseini SA
Published in: Asian Pac J Cancer Prev 2015; 16 (17): 7613-7618
Aim of study (acc. to author)
Further details
Endpoint/type of risk estimation
Type of risk estimation:
(odds ratio (OR))
Exposure
Assessment
Exposure groups
|
Group
|
Description
|
|
Reference group 1
|
prenatal exposure to power lines: no
|
|
Group 2
|
prenatal exposure to power lines: yes
|
|
Reference group 3
|
postnatal exposure to power lines: no
|
|
Group 4
|
postnatal exposure to power lines: yes
|
Population
-
Group:
- children
- children in utero
-
Age:
0–11 years
-
Observation period:
not stated
-
Study location:
Iran (Tehran)
Case group
-
Exclusion criteria:
lack of access to the parents, birth and living out of Tehran, having moderate and higher socioeconomic status
Control group
Study size
|
Cases |
Controls |
| Evaluable |
22 |
100 |
Statistical analysis method:
- Chi-square test
- t-test, Cochrane-Mantel-Haenszel test
Results (acc. to author)
Limitations (acc. to author)
The results are based on low numbers.
Comments on this article
-
Dechent D et al.
(2016):
Re: Role of Electromagnetic Field Exposure in Childhood Acute Lymphoblastic Leukemia and No Impact of Urinary Alpha- Amylase - a Case Control Study in Tehran, Iran
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