Epidemiological study (observational study)

Association of mobile phone radiation with fatigue, headache, dizziness, tension and sleep disturbance in Saudi population epidem.

By: Al-Khlaiwi T, Meo SA

Published in: Saudi Med J 2004; 25 (6): 732-736

The association of mobile phone use with fatigue, headache, dizziness, tension and sleep disturbance was investigated in a study in Saudi Arabia.

Type of risk estimation:

questionnaire: type of mobile phones, duration of possession and their use, numbers and average duration of outgoing and incoming calls

Group	Description
Group 1	duration of calls: 5 - 10 min
Group 2	duration of calls: 10 - 30 min
Group 3	duration of calls: 30 - 60 min
Group 4	duration of calls: 60 - 120 min
Group 5	duration of calls: > 120 min
Group 6	duration of exposure to mobile phone: < 1 year
Group 7	duration of exposure to mobile phone: 1 - 5 years
Group 8	duration of exposure to mobile phone: 5 - 10 years

Group:
- men
- women
Age: 18–42 years
Characteristics: volunteers
Observation period: 2002 - 2003
Study location: Saudi-Arabia (College of Medicine, King Saud University and different areas of Riyadh)
Exclusion criteria: anemia, diabetes mellitus, blood pressure, central or peripheral nerve disease, hearing and vision problems, medication use, computer professionals

Type	Value
Total	437

The overall mean percentage of findings in all groups were headache (21.6 %), sleep disturbance (4 %), tension (3.9 %), fatigue (3 %), and dizziness (2.4 %).
The authors concluded that the use of mobile phones is a risk factor and suggested that long term use should be avoided by health promotion activities.

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