The relationship between adolescents' well-being and their wireless phone use: a cross-sectional study.
Published in: Environ Health 2013; 12: 90
Aim of study (acc. to author)
Endpoint/type of risk estimation
Reference group 1
mobile phone calls > 10 minutes/week: 0
mobile phone calls > 10 minutes/week: 1 - 6
mobile phone calls > 10 minutes/week: 7 - 35
Reference group 4
cordless phone calls > 10 minutes/week: 0
cordless phone calls > 10 minutes/week: 1 - 2
cordless phone calls > 10 minutes/week: 3 - 9
cordless phone calls > 10 minutes/week: 10 - 120
Reference group 8
minutes on cordless phone daily: 0 - 4
minutes on cordless phone daily: 5 - 15
minutes on cordless phone daily: 16 - 240
Reference group 11
mobile phone headset: no
mobile phone headset: wired
mobile phone headset: wireless
Reference group 14
cordless phone frequency: no use
cordless phone frequency: ≤ 900 MHz
cordless phone frequency: 1.8 - 1.9 GHz
cordless phone frequency: 2.4 GHz
cordless phone frequency: 5.8 GHz
Reference group 19
WiFi at home: no
WiFi at home: yes
June - October 2009
New Zealand (Wellington region)
Statistical analysis method:
unconditional logistic regression
recent cold or flu, number of times woken weekly by mobile phone
Conclusion (acc. to author)
285 out of 373 study participants (76.4%) owned a
mobile phone and 12.8% reported regularly using someone else's. Most (91%) participants reported using a cordless phone at home. The number of mobile phone calls and duration of cordless phone calls were associated with an increased risk of headaches (group 3: OR 2.4, CI 1.2-4.8; group 10: OR 1.74, CI 1.1-2.9). Using a wired mobile phone headset was associated with tinnitus (group 12: OR 1.8, CI 1.0-3.3), while wireless headsets (group 13) were associated with headache ( OR 2.2, CI 1.1-4.5), feeling down/ depressed ( OR 2.0, CI 1.1-3.8), and waking in the night ( OR 2.4, CI 1.2-4.8). Several cordless phone frequencies bands were related to tinnitus, feeling down/ depressed and sleepiness at school. Waking nightly was less likely for those with WiFi at home (group 20: OR 0.7, CI 0.4-0.99).
Study funded by
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