研究のタイプ: 医学/生物学の研究 (experimental study)

[UMTS携帯電話基地局の電磁界と健康への影響可能性:実験的フィールド研究の結果] med./bio.

[Electromagnetic fields of a UMTS mobile phone base station and possible effects on health - results from an experimental field study].

掲載誌: Umweltmed Forsch Prax 2007; 12 (3): 171-180

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研究目的(著者による)

This study was performed to investigate, whether the exposure to radio frequency electromagnetic field of a UMTS base station can exert influence on the well-being of persons working in its proximity.

詳細情報

Over a period of three months (70 working days), a newly installed base station was turned on or off after one, two or three days. 95 participants (67 men, 28 women, age: 26-62 years) reported their health status on each working day (in general before work start and before end of the working day) using an online questionnaire. In addition, they also appreciated on a daily basis whether the base station was turned on or off.

影響評価項目

ばく露

ばく露 パラメータ
ばく露1: 2,167.1 MHz
ばく露時間: intermittent, 1, 2, or 3 days on/off (random and double-blind), for a total duration of 3 months (70 working days)

ばく露1

主たる特性
周波数 2,167.1 MHz
タイプ
  • electromagnetic field
ばく露時間 intermittent, 1, 2, or 3 days on/off (random and double-blind), for a total duration of 3 months (70 working days)
Additional information 5 MHz bandwidth
Modulation
Modulation type cf. additional information
Additional information

UMTS BTS signal

ばく露装置
ばく露の発生源/構造
  • 基地トランシーバ局
  • UMTS
ばく露装置の詳細 The exposure of the building was maximised (main beam) by down-tilting the antenna.
パラメータ
測定量 種別 Method Mass 備考
電力 20 W - - - -
電界強度 0.53 V/m maximum 測定値 - -
電界強度 0.1 V/m mean 測定値 - ± 0.09 V/m
電界強度 0.05 V/m minimum 測定値 - -

ばく露を受けた生物:

方法 影響評価項目/測定パラメータ/方法

研究対象とした生物試料:
調査の時期:
  • ばく露前
  • ばく露中
  • ばく露後

研究の主なアウトカム(著者による)

No evidence for a correlation between mobile phone base station exposure and self-reported health complaints was found. However, in this experiment correlation could be demonstrated for self-reported health complaints and appreciated base station status. On the days participants made significantly more health complaints, they also thought the base station was in use and vice versa.

研究の種別:

研究助成

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