Study type:
Epidemiological study
Mobile Phone Use and The Risk of Headache: A Systematic Review and Meta-analysis of Cross-sectional Studies
epidem.
By:
Wang J, Su H, Xie W, Yu S
Published in: Sci Rep 2017; 7: 12595
Aim of study (acc. to author)
Further details
Endpoint/type of risk estimation
Exposure
Exposure groups
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Group
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Description
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Reference group 1
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mobile phone use: no
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Group 2
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mobile phone use: yes
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Reference group 3
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mobile phone use: < 2 min/day
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Group 4
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mobile phone use: 2 - 15 min/day
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Group 5
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mobile phone use: >15 min/day
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Reference group 6
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mobile phone use: < 2 calls/day
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Group 7
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mobile phone use: 2 - 4 calls/day
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Group 8
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mobile phone use: > 4 calls/day
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Population
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Group:
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Age:
7–70 years
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Observation period:
1996 - 2014
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Study location:
China, Denmark, India, Norway, Singapore, Sweden, Taiwan
Statistical analysis method:
- heterogeneity test, random-effects model, fixed-effects model, funnel plot
Results (acc. to author)
An increased risk of headache was observed in mobile phone users compared with non-users (group 2: OR 1.38, CI 1.18–1.61). Among mobile phone users, the risk of headache was also increased in those who had longer daily call duration compared users with call duration of < 2 min/day (group 4: OR 1.62, CI 1.34–1.98; group 5: OR 2.50, CI 1.76–3.54) and higher daily call frequency compared to < 2 calls/day (group 7: OR 1.37, CI 1.07–1.76; group 8: OR 2.52, CI 1.78–3.58).
The authors conclude that mobile phone use is significantly associated with headache. Further epidemiologic and experimental studies are required to affirm and understand this association.
Study funded by
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Chinese National Science Foundation
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National Key Technologies R&D Program, China
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