研究のタイプ: 疫学研究 (observational study)

[電磁界への実際のばく露あるいは認知されたばく露および非特異的身体的症状:自己報告データおよび電子カルテ記録に基づいた疫学調査] epidem.

Actual and perceived exposure to electromagnetic fields and non-specific physical symptoms: an epidemiological study based on self-reported data and electronic medical records.

掲載誌: Int J Hyg Environ Health 2015; 218 (3): 331-344

この研究は、オランダでの成人健康調査(18歳以上の参加者:n=5933:一般内科医(GP)による電子カルテ記録の非特異的身体症状(NSPS)を利用した)にリンクさせて、電磁界EMF)へのばく露特性をいくつかの指標(無線周波電磁界RF-EMF)の環境ばく露モデル予測、地図コードによる高圧架空送電線との距離、屋内電気機器との距離と使用に関する自己報告)を用いて記述し、NSPSとの関連などを分析した。認知されたばく露ばく露認知)および心理学的変数の役割も調査した。その結果、ばく露認知は実際のばく露相関しなかった;モデル予測されたRF-EMFばく露健康調査結果の間に有意な相関はなかった;電気毛布の使用および睡眠中の電気充電器との距離が短いことの2つがNSPSと相関した;ばく露認知、コントロール認知、回避行動健康調査結果と相関した;ばく露認知との相関は、GPの記録したNSPSよりも、自己報告のNSPSの方が強かった、と報告している。

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研究の目的(著者による)

A health survey of adults in the Netherlands was combined with the electronic medical records to investigate actual and perceived exposure to electromagnetic fields and non-specific physical symptoms.

影響評価項目/リスク推定のタイプ

リスク推定のタイプ:

ばく露

ばく露評価

調査対象集団

調査規模

タイプ
合計 76,684
適格者 13,007
参加者 5,933
参加率 46 %
統計学的分析方法:

結論(著者による)

The most prevalent self-reported symptoms in the study population were fatigue (54%), neck or shoulder symptoms (39%), headache (38%) and back pain (36%). Among the respondents 202 (3.5%) were considered as hypersensitive to EMF.
Perceived exposure by study participants had a poor correlation with the actual exposure estimates. No significant association was observed between modeled radiofrequency electromagnetic field exposure and the investigated outcomes. Associations with non-specific physical symptoms were found for use of an electric blanket and close distance to an electric charger during sleep. Perceived exposure, perceived control and avoidance behavior were associated with the examined outcomes. The association between perceived exposure was stronger for self-reported than for general practitioners-registered non-specific physical symptoms. There was some indication, but no consistent pattern for an interaction between idiopathic environmental intolerance (IEI-EMF) and the association between actual exposure and non-specific physical symptoms.
The authors conclude that there is no convincing evidence for an association between everyday life radiofrequency electromagnetic field exposure and non-specific physical symptoms and sleep quality in the population. Better exposure characterization, in particular with respect to sources of extremely low frequency magnetic fields is needed to draw more solid conclusions. The authors argue that perceived exposure is an independent determinant of non-specific physical symptoms.

研究助成

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