Estimating the Duration of Public Concern After the Fukushima Dai-ichi Nuclear Power Station Accident From the Occurrence of Radiation Exposure-Related Terms on Twitter: A Retrospective Data Analysis
Estimating the Duration of Public Concern After the Fukushima Dai-ichi Nuclear Power Station Accident From the Occurrence of Radiation Exposure-Related Terms on Twitter: A Retrospective Data Analysis
Naoki Nishimoto
1
* , PhD ;
Mizuki Ota
2
* , MSc ;
Ayako Yagahara
3
* , PhD ;
Katsuhiko Ogasawara
4
, MBA, PhD
1
Kagawa University Hospital, Clinical Research Support Center, Kita-gun, Japan
2
Hokkaido University, Graduate School of Health Sciences, Sapporo, Japan
3
Faculty of Health Sciences, Department of Radiological Technology, Hokkaido University of Science, Sapporo, Japan
4
Hokkaido University, Faculty of Health Science School, Sapporo, Japan
*these authors contributed equally
Corresponding Author:
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Katsuhiko Ogasawara, MBA, PhD
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Hokkaido University
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Faculty of Health Science School
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Kita 12 zyou Nishi 5 chome
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Kita-ku
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Sapporo, 060-0812
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Japan
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Phone:
81 11-706-3409
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Fax: 81 11-706-3409
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Email: oga@hs.hokudai.ac.jp