Individual Doses to the Public after the Fukushima Nuclear Accident

Ishikawa, Tetsuo

doi:10.14407/jrpr.2020.45.2.53

Cited by 8 publications

(7 citation statements)

References 62 publications

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“…On account of the issuance of evacuation orders, many residents were forced to evacuate to temporary housing or other places of residence. The external and internal exposure surveys conducted immediately after the FDNPP accident revealed that the estimated median annual external dose was less than one mSv during the rst 4 months between March and July 2011 [29]. The internal exposure dose of 99.986% of approximately 184,000 residents was less than one mSv [30].…”

Section: Discussionmentioning

confidence: 99%

Loss of participation among young adults in the prospective disaster cohort study of the Comprehensive Health Check in the Fukushima Health Management Survey after the Great East Japan Earthquake

Yamamoto

Takita

Kami

et al. 2022

Preprint

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Background The present study aimed to clarify the characteristics of young evacuees who had missed the Comprehensive Health Check of the Fukushima Health Management Survey after the Great East Japan Earthquake in 2011. Methods The Fukushima Health Management Survey has been conducted as a prospective cohort study to evaluate health status of evacuees annually after the great earthquake in 2011. This study focused on the annual participation rate in the Comprehensive Health Check of young evacuees aged between 20 and 37 years who had been evacuated due to the Fukushima Daiichi Nuclear Power Plant accident. Exploratorily, we compared the characteristics of subjects who participated in 2011 only with those who had in both 2011 and after 2012. Results The participation rate was estimated at 26.6% (9,720 among 36,502 residents) and 15.6% (5,691 residents) in 2011 and 2012, respectively. Multivariate analysis revealed the following characteristics in 2011 as independent predictors of non-participation after the second year of the survey: age ≤ 24 years (adjusted odds ratio 2.07, 95% confidence interval: 1.82–2.36), 25–29 years of age (1.25, 1.12–1.41), men (1.51, 1.37–1.66), evacuation outside the municipality but within Fukushima Prefecture (1.52, 1.38–1.67), evacuation outside the Fukushima Prefecture (1.29, 1.14–1.46), smoking habit (1.33, 1.21–1.46), and drinking habit (1.19, 1.09–1.30). A medical history of heart disease and a body mass index ≤ 18.5 kg/m2 showed opposite odds ratios which indicates the association with continuous participation (0.48, 0.30–0.76, 0.84, 0.73–0.97, respectively). Conclusions We observed deteriorated participation in the prospective study of the Comprehensive Health Check of the Fukushima Health Management Survey among evacuees of a younger age group, men, those evacuated outside their municipalities, and those with smoking and drinking habits. Hence, the cohort study may have missed certain population groups indifferent to disaster-related health problems. Thus, it is necessary to consider various measures to increase the participation rate in the disaster cohort study to understand the long-term health effects of disasters on younger residents in evacuation zones.

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Section: Discussionmentioning

confidence: 99%

Loss of participation among young adults in the prospective disaster cohort study of the Comprehensive Health Check in the Fukushima Health Management Survey after the Great East Japan Earthquake

Yamamoto

Takita

Kami

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

“…On account of the issuance of evacuation orders, many residents were forced to evacuate to temporary housing or other places of residence. The external and internal exposure surveys conducted immediately after the FDNPP accident revealed that the estimated median annual external dose was less than one mSv during the first 4 months between March and July 2011 23 . The internal exposure dose of 99.986% of approximately 184,000 residents was less than one mSv 24 .…”

Section: Discussionmentioning

confidence: 99%

Loss of participation among evacuees aged 20–37 years in the disaster cohort study after the Great East Japan Earthquake

Yamamoto

Takita

Kami

et al. 2022

Sci Rep

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The present study aimed to clarify the characteristics of young evacuees who had missed the Comprehensive Health Check of the Fukushima Health Management Survey (FHMS) after the Great East Japan Earthquake in 2011. The FHMS has been conducted as a prospective cohort study to evaluate the health status of evacuees annually after the great earthquake in 2011. This study focused on the annual participation rate in the Comprehensive Health Check of evacuees aged between 20 and 37 years in 2011 who evacuated due to the Fukushima Daiichi Nuclear Power Plant accident. The characteristics of subjects who did not participate after the second survey year were identified with a multivariate logistic regression model. The participation rate was estimated at 26.6% (9720 among 36,502 residents) and 15.6% (5691 residents) in 2011 and 2012, respectively. The logistic regression model revealed the following characteristics at baseline as independent predictors of non-participation after the second year of the survey: age ≤ 24 years (adjusted odds ratio 2.11, 95% CI 1.84–2.42), 25–29 years of age (1.28, 1.13–1.45), men (1.52, 1.38–1.69), evacuation outside the municipality but within Fukushima prefecture (1.54, 1.40–1.70), evacuation outside the Fukushima prefecture (1.40, 1.21–1.63), anemia (1.23, 1.06–1.43), smoking habit (1.34, 1.21–1.48), and drinking habit (1.20, 1.09–1.32). A medical history of heart disease showed opposite odds ratios, which indicate the association with continuous participation (0.43, 0.26–0.72, respectively). We observed deteriorated participation in the prospective study of the Comprehensive Health Check of the FHMS among evacuees of a younger age group, men, those evacuated outside their municipalities, and those with history of anemia, smoking and drinking habits. Hence, the cohort study may have missed certain population groups with worse health behaviors. Thus, it is necessary to consider various measures to increase the participation rate in the disaster cohort study to understand the long-term health effects of disasters on younger residents in evacuation zones.

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“…A number of studies have found that health effects due to exposure to radiation from the nuclear power plant accident in Fukushima prefecture are unlikely 19) , and rather the deterioration of the health conditions of the affected people is pointed out to be caused due to the evacuation 20) . On the other hand, there are quite a few people, especially those who lived close to the nuclear accident, who are still worried about the effects on the next generation, even several years after the disaster 21) .…”

Section: Discussionmentioning

confidence: 99%

Psychosocial support for the examinees and their families during the secondary confirmatory examination:Analyses of support records at first visit

Setou

Matsuzuka

Iwadate

et al. 2021

FJMS

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Background and PurposeThe Thyroid Ultrasound Examination (TUE) program is conducted as part of the Fukushima Health Management Survey. Following the established criteria, examinees are called in for a secondary confirmation examination, which may induce high anxiety related to a thyroid cancer for both the examinees and their families. Therefore, Fukushima Medical University created the Thyroid Support Team to reduce anxiety. The purpose of this study is to analyze the psychosocial support for examinees and their families through two types of records, and to clarify the current issues and determine future directions of support. Materials and methodsWe analyzed 223 records of support for the first visit of examinees who attended the secondary confirmatory examination, conducted at Fukushima Medical University from September 2018 to March 2019. ResultsDuring the first visit, frequent topics and questions brought up by the examinees and their families were about the "Thyroid Ultrasound Examination (TUE) program" and "Examination findings". The Thyroid Support Team members assisted them by "Responding to questions", "Confirming the doctor's explanation" and "Providing information". The percentage of people with high anxiety decreased in both examinees and their family members after the examination. The level of anxiety was lower among those who had already taken the secondary confirmatory examination. Family members' anxiety was significantly higher than that of the examinees, and anxiety levels were highly correlated between examinees and their families. ConclusionThe psychosocial support for examinees and their families was important in reducing their anxiety. Currently there are changes in social conditions and various opinions concerning the TUE. Thus, careful explanation and the need for decisionmaking supports for the examinees and their

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Individual Doses to the Public after the Fukushima Nuclear Accident

Cited by 8 publications

References 62 publications

Loss of participation among young adults in the prospective disaster cohort study of the Comprehensive Health Check in the Fukushima Health Management Survey after the Great East Japan Earthquake

Loss of participation among young adults in the prospective disaster cohort study of the Comprehensive Health Check in the Fukushima Health Management Survey after the Great East Japan Earthquake

Loss of participation among evacuees aged 20–37 years in the disaster cohort study after the Great East Japan Earthquake

Psychosocial support for the examinees and their families during the secondary confirmatory examination:Analyses of support records at first visit

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