Psychological effects of chronic exposure to 50 Hz magnetic fields in humans living near extra-high-voltage transmission lines.
Published in: Bioelectromagnetics 1997; 18 (8): 584-594
Aim of study (acc. to author)
Endpoint/type of risk estimation
- measurement: magnetic flux densities at three places in each room where the participant spent one hour or more per day at average
- calculation: average exposure: arithmetic mean of all readings taken in the two or three rooms in which the participant spent one hour or more per day on average. Time-integrated exposure: multiplying the average estimated hours spent in each room by the mean of the readings taken in the room, and summing across the rooms in which the participant spent one or more hours per day on average
Reference group 1
1st quintil, mean average exposure: 0.057 µT; mean time integrated exposure: 0.640 µT-hour
2nd quintil, mean average exposure: 0.209 µT; mean time integrated exposure: 2.756 µT-hour
3rd quintil, mean average exposure: 0.392 µT; mean time integrated exposure: 5.333 µT-hour
4th quintil, mean average exposure: 0.766 µT; mean time integrated exposure: 10.579 µT-hour
5th quintil, mean average exposure: 1.944 µT; mean time integrated exposure: 30.761 µT-hour
residents of houses in streets running beneath overhead transmission lines
New Zealand (Auckland)
Statistical analysis method:
- multiple linear regression analysis
- socioeconomic status
- life changes, self-rated health and perceived effect of powerlines on personal health
Conclusion (acc. to author)
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