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系統識別號 U0026-1608201915185900
論文名稱(中文) 電磁波敏感症患者健康狀態追蹤研究
論文名稱(英文) A follow-up study to health status of patients with idiopathic environmental intolerance attributed to electromagnetic fields in Taiwan
校院名稱 成功大學
系所名稱(中) 公共衛生研究所碩士在職專班
系所名稱(英) Graduate Institute of Public Health(on the job class)
學年度 107
學期 2
出版年 108
研究生(中文) 李昆樺
研究生(英文) Kun-Hua Li
學號 SB7051086
學位類別 碩士
語文別 英文
論文頁數 68頁
口試委員 指導教授-郭浩然
共同指導教授-余聰
口試委員-李中一
口試委員-黃彬芳
中文關鍵字 自發性環境不相容  電磁波敏感症  電磁場  反安慰劑效應  長期追蹤  盛行率 
英文關鍵字 idiopathic environmental intolerance (IEI)  idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF)  electromagnetic hypersensitivity (EHS)  electromagnetic fields (EMF)  nocebo effect  long-term follow-up  prevalence 
學科別分類
中文摘要 研究背景:過往的電磁波敏感症患者短期追蹤研究顯示,在參與激發試驗過後,部分受試者仍自述對電磁波感到敏感,然而其不適症狀減輕,並有近3成的受試者願意重新思考其不適症狀可能是由其他來源所導致。目前尚無長期追蹤結果可供參考,本研究應為首項針對電磁波敏感症患者執行之長期追蹤研究。

研究方法:本研究涵蓋兩部分。第一部分為一項前瞻性長期追蹤研究,針對於2010至2015年間曾參與先期激發試驗研究之受試者進行電話問卷追蹤訪問,調查其當前之健康狀態並與先期研究中之健康狀態作分析比較。在第二部分為一項橫斷調查研究,針對全國民眾依兩階段行政區域分層抽樣法並運用隨機數位撥號電話調查系統進行電磁波敏感症盛行率調查。

研究結果:在第一部分的長期追蹤調查中,共70位受試者接受了電話問卷追蹤訪問,62.9%電磁波敏感症患者回報復原,其中86.4%的復原患者回報其為自發性復原,13.6%回報因搬家或職務調動而復原;60%的電磁波敏感症患者願意重新思考其不適症狀可能是由其他來源所導致;經與先期研究相比較,電磁波敏感症患者之不適症狀顯著減少,然而其對電磁波設備的困擾程度與擔心電磁波造成健康危害的憂慮程度並未顯著減輕。在第二部分的電磁波敏感症盛行率調查中,共有1355位受訪者,經加權計算後之盛行率為4.6%,與2012年調查之加權盛行率一致。

結論:經長期追蹤,有62.9%的電磁波敏感症患者復原,60%願意重新思考其不適症狀可能是由其他來源所導致且其人數比例較其他短期追蹤研究高,但對電磁波的憂慮與困擾程度並未顯著減輕;我國當前的電磁波敏感症盛行率與2012年一致無變化。
英文摘要 Background: Previous short-term follow-up studies of idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF) showed that some participants with IEI-EMF still had IEI-EMF after receiving the provocation test, but the levels of their symptoms and discomforts were shown to have significantly decreased. In addition, around 30% of the participants were willing to reconsider the possibility that their symptoms might have been caused by something else. There have been no long-term studies conducted. The current study is likely to be the first long-term follow-up study of IEI-EMF.

Methods: The current study had two parts. First, we conducted a prospective longitudinal study to investigate the health status of the participants in our provocation trial conducted from 2010 to 2015. The same questionnaire was applied to interview the same participants by phone to conduct a repeated measurement. Second, we performed a cross-sectional study to survey the current prevalence rate of IEI-EMF in Taiwan. A two-stage stratified sampling method according to the administrative division was applied, and a nationwide random digital dialing (RDD) telephone survey was utilized.

Results: In the follow-up investigation, a total of 70 participants received the interview, and 62.9% of the participants with IEI-EMF reported they had recovered from IEI-EMF. Of the recuperated participants, 86.4% described idiopathic recovery, and 13.6% reported they had recovered by moving or transferring jobs. Of the participants in the IEI-EMF group, 60% were willing to reconsider whether their symptoms they might have been caused by other factors. The somatic symptoms of IEI-EMF significantly decreased in comparison with the former condition, but the levels of the disturbance and worry related to EMF were similar to those previously. In the prevalence survey, a total of 1,355 participants were investigated. The weighted prevalence rate of IEI-EMF was 4.6%, which was the same as the results of the previous study conducted in 2012.

Conclusions: In the current long-term follow-up, 62.9% of the patients with IEI-EMF had recovered, and 60% were willing to reconsider the possibility that their symptoms might have been caused by something other than EMFs, higher than those reported by previous short-term studies. The level of self-reported worries and disturbance to EMF were similar to those reported previously. The prevalence rate of self-reported IEI-EMF had remained constant compared to the previous survey in 2012 in Taiwan.
論文目次 Chinese abstract I
Abstract III
Acknowledgement V
Content VI
List of tables VIII
List of figures IX
1. Introduction 1
1.1 Background 1
1.2 Research questions 4
1.3 Purpose of the study 5
1.4 Significance of the study 6
2. Literature review 7
2.1 Media reports and IEI-EMF 7
2.2 The nocebo effect of IEI-EMF 10
2.3 The IEI-EMF follow-up studies 12
3. Methods 14
3.1 Study design 14
3.1.1 The follow-up investigation 14
3.1.2 The prevalence survey 16
3.2 Statistical analysis 18
4. Results 20
4.1 The follow-up investigation 20
4.1.1 The present IEI-EMF situation 20
4.1.2 Comparisons of self-reported disturbances and worries about EMF 21
4.1.3 Comparisons of self-reported symptoms related to EMF 22
4.1.4 The proportion of recollection of the experimental outcomes 23
4.2 The prevalence survey 24
5. Discussion 26
6. Conclusions 31
7. References 32
8. Appendix 65
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