研究のタイプ: 疫学研究 (observational study)

[携帯電話からの非電離電磁放射へのばく露および精神症状との関連] epidem.

Exposure to non-ionizing electromagnetic radiation from mobile telephony and the association with psychiatric symptoms

著者: Silva DF, Barros WR, Almeida MD, Rego MA
掲載誌: Cad Saude Publica 2015; 31 (10): 2110-2126
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この研究は、ブラジルのバイーヤ州サルバドール市において、440名に携帯電話使用および精神症状に関するインタビューを行った横断調査である。精神的不調の訴えおよび診断を従属変数、住宅と携帯電話基地局との距離および種々の携帯電話使用形態（使用回数、身体接近度など）を主たる独立変数として分析した。性別、教育歴、喫煙などの交絡を階層的ロジスティック回帰分析により調整した。その結果、精神症状と基地局への住宅接近度および種々の携帯電話使用形態の間に関連が観察された、と報告している。

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研究の目的(著者による)

A cross-sectional study was conducted in Brazil to investigate the association between exposure to electromagnetic fields from mobile phone base stations and mental symptoms.

詳細情報

Symptoms of depression were assessed by using the Center for Epidemiological Studies Depression Scale. Risk of depression was defined as a score greater than or equal to 16.

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

ばく露集団

グループ 説明
参照集団 1 distance between residence and mobile phone base station: 0 - 100 m and > 200m
集団 2 distance between residence and mobile phone base station: 101 - 200 m
参照集団 3 distance between residence and mobile phone base station: > 300 m
集団 4 distance between residence and mobile phone base station: ≤ 300 m
参照集団 5 distance between residence and mobile phone base station: > 400 m
集団 6 distance between residence and mobile phone base station: ≤ 400 m

調査対象集団

調査規模

タイプ 値
合計 440
統計学的分析方法: (調整: )

結論(著者による)

Overall, there were no significant differences of mental symptoms between individuals living up to 300 m (group 4) versus individuals living more than 300 m (group 3) from the mobile phone base stations. An association was observed between living 100 to 200 m from the base stations (group 2) and anxiety (OR 2.39; 90% CI 1.09- 5.26) or depression (OR 3.25; 90% CI 1.63-6.45). For individuals living up to 300 m from the base stations, a reduced risk for depressive symptoms was observed (OR 0.50; 90% CI 0.32-0.80). Living up to 400 m from the base stations was associated with depressive tendency (OR 1.55; 90% CI 1.04-2.33) and depressive symptoms (OR 1.66; 90% CI 1.08-2.55).
The authors concluded that exposure to electromagnetic fields from mobile phone base stations and other electronic devices was associated with mental symptoms, independently of gender, education, and smoking status.

研究助成

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