Analysis of individual- and school-level clustering of power frequency magnetic fields

I. Fan Lin, Chung Yi Li, Jung Der Wang

研究成果: Article同行評審

12 引文 斯高帕斯(Scopus)

摘要

This study reports the continuous 8-h monitoring of data on extremely low-frequency magnetic fields (ELF-MF) relating to 14 children and 35 teachers in 11 elementary schools in Northern Taiwan. It was anticipated that the subjects in two of these campuses would have elevated exposure to ELF-MF as a result of their close proximity to high-voltage (161 kilo-Volt, kV) power lines. The results of our analysis reveal that in those schools with high-voltage power lines running through the campuses, the mean ELF-MF exposure level (0.38 ± 0.51 micro-Tesla (μT), or 0.15, 0.25 and 0.44 μT at the respective 25th, 50th and 75th percentiles) was higher than the mean ELF-MF exposure level for campuses situated far away from such high-voltage power lines (0.14 ± 0.27 μT, or 0.04, 0.06 and 0.10 μT at the respective 25th, 50th and 75th percentiles). The multi-level analytical technique, which takes individual measurements as the analytical unit, and which also takes into consideration the inter-correlation between measurements from the same individual and/or campus, was also applied to the analysis of the data. We conclude that individual-level and school-level clustering of the measurements, both of which were discernible in this study, should be taken into consideration in any future analysis of data obtained from the continuous monitoring of exposure to ELF-MF.

原文English
頁(從 - 到)564-570
頁數7
期刊Bioelectromagnetics
29
發行號7
DOIs
出版狀態Published - 2008 十月 1

All Science Journal Classification (ASJC) codes

  • 生物物理學
  • 生理學
  • 放射學、核子醫學和影像學

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