Tetsuya Ohira
Biographic Data
| ID | 118076 |
|---|---|
| NAME | Tetsuya Ohira |
| GIVEN NAMES | Tetsuya |
| FAMILY NAME | Ohira |
| SIGNATURE | OHIRA T |
| AFFILIATIONS | Fukushima Medical University |
| ORCID | 0000-0003-4532-7165 |
| VERIFIED | Yes |
| TOTAL WORKS | 51 |
| TOTAL CITATIONS | 1 |
| WORKS AS AUTHOR | 51 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2008 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 1 |
Associations Between Serum N ‐Terminal Pro‐Brain Natriuretic Peptide Levels and the Prevalence of Sarcopenia in Middle‐Aged and Older J apanese Adults
Internal migration patterns to Fukushima following the nuclear accident based on vital statistics and the Fukushima health management survey
This study highlights the increasing presence of internal migrants in Fukushima following the nuclear accident and the need for mental health care tailored to the immigrants specific challenges
Trajectories of liver dysfunction and long-term evacuation status after the great East Japan earthquake
In the Fukushima Health Management Survey (FHMS), the association between subsequent evacuation status, such as return and continued evacuation, and trends in liver dysfunction remains unclear. Therefore, this study evaluated this association using FHMS data through fiscal year (FY) 2018. The 34,435 (14,063 men and 20,372 women) study participants underwent a Comprehensive Health Check, answered the Mental Health and Lifestyle Survey questionnair…
Incidence of out-of-hospital cardiac arrests and regional differences after the Great East Japan earthquake
Validation and modification of the AFHCHDC7 risk score for predicting the long-term cardiovascular disease risk after the Great East Japan Earthquake
This study aimed to evaluate the predictive performance of the AFHCHDC7 risk score, developed for post-disaster cardiovascular disease (CVD) risk management, for 6-year CVD risk in Fukushima Prefecture after the Great East Japan Earthquake compared to the Suita CVD risk score and to modify the AFHCHDC7 risk score. The present study comprised 14,779 individuals aged 30–79 years with no history of CVD at baseline who underwent the comprehensive hea…
Prevalence, incidence, and recovery of metabolic syndrome after the fukushima nuclear power plant disaster
Modifying Effect of Outdoor Recreational Activity on the Association Between Anger Expression and Cardiovascular Disease Risk
OBJECTIVE: Outdoor recreational activity (ORA) has been suggested as a practical strategy for anger management to moderate the risk of cardiovascular disease (CVD). However, there is a lack of evidence pertaining to this topic. Our aim was to examine whether ORA modified the association between anger expression and the risk of CVD. METHODS: A community-based cohort study was conducted among 1877 Japanese individuals aged 40 to 79 years at baselin…
Subjective Happiness, Frequency of Laughter, and Hypertension
In recent years, positive psychological factors, such as subjective happiness and laughter, have been reported to be associated with cardiovascular disease. In this study, we examined the relationship of hypertension with subjective happiness and frequency of laughter using the data from the Japan Gerontological Evaluation Study (JAGES). Of the 138,294 respondents, 26,368 responded to a version of the self-administered questionnaire that included…
Longitudinal Trends in Blood Pressure Associated with The Changes in Living Environment Caused by the Great East Japan Earthquake
The Great East Japan Earthquake occurred on 11 March 2011, forcing Fukushima Prefecture residents to change their living environment. Such sudden changes possibly have long-term effects on cardiovascular-related diseases. We therefore sought to identify temporal relationships between living environment changes and blood pressure levels over three years following the earthquake. Participants included 14,941 men and 21,533 women aged 16 years or ol…
Association between serum albumin levels and height loss in Japanese workers
Background Height loss starting in middle age was previously shown to be associated with high cardiovascular mortality in later life. However, the factors associated with height loss remain unknown. Since low serum albumin levels are reported to be associated with high mortality caused by cardiovascular disease, they may also contribute to height loss. Methods To clarify the association between serum albumin and height loss, we conducted a retros…
Lifestyle Factors Associated with Undernutrition in Older People after the Great East Japan Earthquake
We conducted a longitudinal examination to assess the relationship between lifestyle habits, including exercise habits, and the incidence of undernutrition after the Great East Japan Earthquake in March 2011. Of the 31,411 participants aged ≥60 years who lived in the municipalities' evacuation areas before the disaster and had undergone health examinations, 17,622 persons with a body mass index of 20-25 kg/m 2 were followed up through the FY 2017…
Trends and Regional Differences in the Prevalence of Dyslipidemia before and after the Great East Japan Earthquake
Since the Great East Japan Earthquake in March 2011, an increase in lifestyle-related diseases due to changes in living environment following the nuclear power plant accident has been reported in Fukushima Prefecture, especially among evacuees. However, no long-term studies covering the entire Fukushima Prefecture have been conducted. The study aim was to investigate the effects of post-disaster evacuation life on the prevalence of dyslipidemia i…
A Six-Year Prospective Study on Problem Drinking among Evacuees of the Great East Japan Earthquake
Evacuees of the Great East Japan Earthquake have experienced adverse, long-term physical and psychological effects, including problem drinking. This study examined the risk and recovery factors for problem drinking among evacuees between fiscal years (FY) 2012 and 2017 using data on residents in the evacuation area from the Mental Health and Lifestyle Survey. With the FY 2012 survey as a baseline, a survey comprising 15,976 men and women was cond…
Association between Dietary Diversity and Sociopsychological Factors and the Onset of Dyslipidemia after the Great East Japan Earthquake
This study aimed to clarify the relationship between the onset of low-density lipoprotein hypercholesterolemia (hyper-LDLemia), high-density lipoprotein hypocholesterolemia (hypo-HDLemia), and hyper-triglyceridemia (hyper-TGemia) and lifestyle/socio-psychological factors among Fukushima evacuation area residents after the Great East Japan Earthquake. Participants included 11,274 non-hyper-LDLemia, 16,581 non-hypo-HDLemia, and 12,653 non-hyper-TGe…
Development of a Japanese Healthy Diet Index
A novel healthy diet index for dietary quality can be used to assess food intake. After the Great East Japan Earthquake in 2011, the Fukushima Health Management Survey collected dietary data using a short-form food frequency questionnaire (FFQ). The current study included eligible participants ( n = 64,909) aged 16-84 years who answered the FFQ in 2011. The year- and sex-specific dietary patterns were determined via principal component analysis. …
Impact of Evacuation on the Long-Term Trend of Metabolic Syndrome after the Great East Japan Earthquake
There has been an increase in lifestyle-related diseases in Fukushima Prefecture since the Great East Japan Earthquake. However, the overall long-term trends of lifestyle-related diseases in the Fukushima Prefecture according to the evacuation and other area are not reported. Therefore, we examined the long-term trends in the prevalence of metabolic syndrome before and after the Great East Japan Earthquake in Fukushima Prefecture according to the…
The Associations between Evacuation Status and Lifestyle-Related Diseases in Fukushima after the Great East Japan Earthquake
Our findings imply the need for continuous support for evacuees in banned areas
The Association between Parenting Confidence and Later Child Mental Health in the Area Affected by the Fukushima Nuclear Disaster
After the 2011 Fukushima Daiichi Nuclear Power Station accident, the Fukushima Health Management Survey was conducted to assess children's lifestyle and mental health conditions. The participants in this study were 1126 children, aged 0 to 3 years, living in the evacuation zone at the time of the disaster. The parenting confidence of their mothers was assessed using a self-administered questionnaire as a baseline in 2013. We examined the associat…
Higher psychological distress experienced by evacuees relocating outside Fukushima after the nuclear accident
This self-administered mail survey examined whether post-disaster residential location after the Fukushima nuclear power plant accident affected psychological distress, with related factors. We targeted 180,604 individuals, including 24,177 residents within evacuation order areas, in FY2011 and FY2015. Psychological distress trajectory was examined using a growth mixture model (GMM) on a total K6 score per year. Relationships between post-disaste…
Associations of the Covid-19 pandemic with the economic status and mental health of people affected by the Fukushima disaster using the difference-in-differences method
Although the coronavirus disease 2019 (COVID-19) pandemic and relevant preventive measures can affect the economic status and mental health of the public, their effect remains unraveled owing to a limited number of surveys conducted before and during the COVID-19 pandemic. We investigated the association of COVID-19 and relevant measures with multivariate outcomes among people affected by the Fukushima disaster in 2011 using the difference-in-dif…
Factors Hindering Social Participation among Older Residents from Evacuation Zones after the Nuclear Power Plant Accident in Fukushima
Considering the health effects of radiation accompanying the nuclear power plant accident that occurred in the wake of the Great East Japan Earthquake, this study aimed to examine social participation after the disaster and factors hindering participation among citizens aged ≥ 65 years from designated evacuation zones inside the Fukushima prefecture. The target population comprised 180,604 residents in 13 municipalities containing designated evac…
Association between Laughter and Lifestyle Diseases after the Great East Japan Earthquake
We investigated the association between the frequency of laughter and lifestyle diseases after the Great East Japan Earthquake. We included 41,432 participants aged 30-89 years in the Fukushima Health Management Survey in fiscal year 2012 and 2013. Gender-specific, age-adjusted and multivariable odds ratios of lifestyle diseases were calculated using logistic regressions stratified by evacuation status. Those who laugh every day had significantly…
Synergistic Effect of History of Cardiovascular Disease and Mental Distress on Post-Traumatic Stress Disorder after the Great East Japan Earthquake
Cardiovascular disease (CVD) and mental distress have been suggested to be associated with post-traumatic stress disorder (PTSD), but the effect of their combination on PTSD is unknown. We reviewed the synergistic effects of the history of CVD and mental distress on the possibility of PTSD among residents in Fukushima after the Great East Japan Earthquake. This cross-sectional study was conducted among 38,392 participants aged 40-74 years in the …
Association between Psychosocial Factors and Oral Symptoms among Residents in Fukushima after the Great East Japan Earthquake
Oral health is closely related to subjective general health and systemic diseases. This cross-sectional study aimed to identify the factors related to oral symptoms and their worsening in relation to psychosocial factors after the Great East Japan Earthquake. In this study, 64,186 residents aged 15-101 years old, who experienced the earthquake on 11 March 2011, were surveyed regarding their oral symptoms; psychological factors, such as post-traum…
Association between frequency of laughter and oral health among community-dwelling older adults
Association between serum albumin levels and height loss in Japanese workers
Background Height loss starting in middle age was previously shown to be associated with high cardiovascular mortality in later life. However, the factors associated with height loss remain unknown. Since low serum albumin levels are reported to be associated with high mortality caused by cardiovascular disease, they may also contribute to height loss. Methods To clarify the association between serum albumin and height loss, we conducted a retros…
Associations of Psychosocial Factors With Heart Rate and Its Short-Term Variability
Objective: To examine the association of psychosocial factors with heart rate (HR) and its variability across multiple ethnic groups and by gender. Increased HR and reduced HR variability are markers of increased cardiovascular risk. Methods: Between 2000 and 2002, 6814 men and women (2624 Whites, 1895 African-Americans, 1492 Hispanics, and 803 Chinese) aged 45 to 84 years took part in the first examination of the Multi-Ethnic Study of Atheroscle…
Effect of forest bathing on physiological and psychological responses in young Japanese male subjects
P2-177 Accumulation of obesity-related eating behaviours and the incidence of type 2 diabetes among middle-aged Japanese men and women
Introduction To examine whether the accumulation of obesity-related eating behaviours such as eating quickly, eating until full, eating right before bedtime and breakfast skipping are associated with incidence of type 2 diabetes mellitus (T2DM) among middle-aged Japanese men and women. Methods The 2840 subjects (890 men and 1950 women) who were aged 40–69 year and free of T2DM were enrolled at baseline survey from 2003 to 2006 in a community-base…
P2-178 The associations of dietary folate, vitamin B 6 and B 12 intakes with risk of sudden cardiac death
Introduction To examine whether dietary folate, vitamin B 6 and B 12 intakes are associated with the risk of sudden cardiac death (SCD) among Japanese men and women. Method We conducted a nested case-control study. For each case of SCD entered between 1973 and 2001 in the CIRCS, two controls were randomly selected for each case and matched for age (±3 years), sex and community from among participants without history of SCD. The 77 cases and 154 c…
P2-226 Fish, vegetable, and fruit intakes and mortality from pulmonary embolism among Japanese men and women
Introduction Numerous studies have reported associations of cardiovascular risk factors with pulmonary embolism (PE), but an association of dietary factors with the risk of PE is not fully established. Methods Using a prospective design, we studied the 14.7-year risk of PE death in relation to dietary factors, such as fish, vegetable, and fruit intakes, in 91 280 men and women aged 40–79 years in Japan. The HRs of PE death and 95% CIs were calcul…
P2-278 Altruistic motivation for pro-social behaviour predict decreased risk of cardiovascular mortality among community dwelling population in Japan
Objectives This study examine the effects of sense of being relied by others reflecting altruistic motivation for pro-social behaviour on cardiovascular disease mortality among Japanese community residents. Method Subjects were 99 969 Japanese men and women aged 40–79 years free from cardiovascular and cancer disease at baseline 1988–1990, included in the Japan Collaborative Cohort Study. Sex-specific age and multivariable adjusted HRs were calcu…
SP1-92 Serum α-linolenic acid and disabling dementia among Japanese
Background Information on the impact of fatty acid composition on dementia has not yet been elucidated. Methods We performed a nested case-control study based on a cohort of approximately 12 000 Japanese people from two communities in the CIRCS, aged 45–85 at baseline (1984–1994). Fatty acid compositions were measured for 350 dementia cases and 700 controls (age, sex, community and baseline-year matched). The subjects were followed-up from 1999 t…
P2-302 Nocturnal intermittent hypoxia and cardiovascular risk factors in community-dwelling Japanese
Introduction To investigate whether nocturnal intermittent hypoxia (NIH), a surrogate marker for sleep apnoea, is associated with cardiovascular risk factors, we conducted epidemiological studies. Methods The CIRCS is a prospective cohort study across Japan since 1963 to examine risk factors for cardiovascular disease. Subjects aged 40–69 years were recruited to the sleep study in three communities. NIH was estimated by hourly occurrences of oxyg…
Associations of Anger, Anxiety, and Depressive Symptoms With Carotid Arterial Wall Thickness
OBJECTIVE: Carotid arterial wall thickness, measured as intima-media thickness (IMT), is an early subclinical indicator of cardiovascular disease. Few studies have investigated the association of psychological factors with IMT across multiple ethnic groups and by sex. METHODS: We included 6561 men and women (2541 whites, 1790 African Americans, 1436 Hispanics, and 794 Chinese) aged 45 to 84 years who took part in the first examination of the Mult…
Menopausal Status in Relation to Cardiovascular Stress Reactivity in Healthy Japanese Participants
OBJECTIVE: To investigate the hypothesis that postmenopausal women demonstrate greater cardiovascular stress reactivity during mental stress tasks than do both premenopausal women and men. METHODS: The study included 979 Japanese participants (338 men and 641 women [238 postmenopausal]) aged 16 to 82 years. Blood pressure, heart rate, heart rate variability, and peripheral blood flow were measured at rest and during a mirror drawing stress task a…
Psychometric Evaluation of the Japanese Version of the Posttraumatic Stress Disorder Checklist in Community Dwellers Following the Fukushima Daiichi Nuclear Power Plant Incident
We investigated the psychometric properties of the Japanese version of the Posttraumatic Stress Disorder Checklist–Stressor Specific Version (PCL-S) using baseline data from the Fukushima Health Management Survey. A total of 26,332 men and 33,516 women aged 16 and above participated in this study. Participants lived in the Fukushima evacuation zone in Japan and experienced the Great East Japan Earthquake and nuclear power plant (NPP) incident. Th…
The Relationship between Starting to Drink and Psychological Distress, Sleep Disturbance after the Great East Japan Earthquake and Nuclear Disaster
This longitudinal study aimed to investigate the prevalence of newly-started drinkers and their continuing drinking behaviors after the Great East Japan earthquake. Moreover, the relationships between newly-started drinking and psychological factor, disaster-related experience, and perceived radiation risk were examined. We used data from 37,687 pre-disaster non-drinkers who participated in the 2012 and 2013 surveys conducted in Fukushima. We def…
Perception of Radiation Risk as a Predictor of Mid-Term Mental Health after a Nuclear Disaster
Predictive factors including risk perception for mid-term mental health after a nuclear disaster remain unknown. The purpose of this study was to examine the association between perceived radiation risk and other factors at baseline and mid-term mental health after the Fukushima Daiichi nuclear disaster of 2011 in Japan. A mail-based questionnaire survey was conducted in January 2012 and January 2013. Mental health status was assessed using the K…
Lifestyle-related factors that explain disaster-induced changes in socioeconomic status and poor subjective health
While disaster-induced changes in SES are unavoidable, lifestyle-related factors have the potential to attenuate the impact of these changes on poor subjective health
Lifestyle factors and social ties associated with the frequency of laughter after the Great East Japan Earthquake
Trajectories of Emotional Symptoms and Peer Relationship Problems in Children after Nuclear Disaster
The Fukushima Daiichi Nuclear Power Plant accident, which occurred in March 2011, is having long-term effects on children. We planned this study to describe the trajectories of emotional symptoms and peer relationship problems in children and to examine potential risks and protective factors over the 35 months following the accident. The sample was 11,791 children in the first to sixth elementary grades. We identified four patterns for emotional …
The Relationship between Sleep Time and Mental Health Problems According to the Strengths and Difficulties Questionnaire in Children after an Earthquake Disaster
A cross-sectional study was performed on the adverse effects of sleep time on the mental health of children after the Great East Japan Earthquake and subsequent nuclear reactor accident in March 2011. The target participants were children aged 4-15 years living inside the government-designated evacuation zone as of 11 March 2011 ( n = 29,585). The participants' parents/guardians completed the Strengths and Difficulties Questionnaire (SDQ) and sle…
Effect of Radiological Countermeasures on Subjective Well-Being and Radiation Anxiety after the 2011 Disaster
After the Fukushima Daiichi Nuclear Power Station accident in 2011, concerns about radiation exposure and decline in subjective well-being have been reported. To tackle these problems, various countermeasures in relation to radiation have been implemented. In this study, we comprehensively evaluated the effects of radiological countermeasures on subjective well-being (e.g., satisfaction with life (SWL) and emotional well-being) and radiation anxi…
Changes in Risk Perception of the Health Effects of Radiation and Mental Health Status
After the Fukushima nuclear power plant accident, numerous evacuees reported poor mental health status and high-risk perceptions of the health effects of radiation. However, the temporal associations between these variables have not yet been examined. Using data from the Fukushima Health Survey, we examined changes in risk perception of the health effects of radiation over time and assessed the effects of mental health on such changes using logis…
Parental Recognition of Bullying and Associated Factors Among Children After the Fukushima Nuclear Disaster
This study examined parental recognition of bullying victimization and associated factors among evacuated children after the 2011 Fukushima Daiichi Nuclear Power Plant accident, using a 3-year follow-up data (wave 1: January 2012; wave 2: January 2013; wave 3: February 2014). The sample included the caregivers of 2,616 children in the first-sixth grades of elementary school, who lived in one of the 13 municipalities that were the target areas of …
Development and Implementation of an Internet Survey to Assess Community Health in the Face of a Health Crisis
The Pregnancy and Birth Survey of the Fukushima Health Management Survey is a questionnaire survey that has been conducted annually since 2011 in Fukushima Prefecture. Since 2016, the survey has been available online as well as in paper form. This study aimed to determine whether making the survey available online improved response rates and to identify the characteristics of paper and online survey respondents and their results. Using LimeSurvey…
Anger Expression and the Risk of Cardiovascular Disease Among Urban and Rural Japanese Residents
OBJECTIVE: It has been suggested that urbanization, which has been expanding rapidly for the past several decades, increases the risk of cardiovascular disease (CVD) associated with psychological factors such as anger, but the evidence is limited. We examined the hypothesis that urbanicity modifies the association of anger expression with the risk of CVD. METHODS: A prospective study was conducted in 5936 residents of urban and rural communities …
Analysis of direction of association between radiation risk perception and relocation using a random-intercept and cross lagged panel model
In the aftermath of a nuclear disaster, a person's radiation risk perception can harm their sociopsychological health. Although there are reports of an association between radiation risk perception and relocation, the direction of this association has not been clarified yet. In this study, we used a random-intercept and cross lagged panel model (RI-CLPM) to investigate the association and its direction between radiation risk perception and the pr…
Association between Psychological Factors and Evacuation Status and the Incidence of Cardiovascular Diseases after the Great East Japan Earthquake
Evidence regarding the effect of psychological factors and evacuation on cardiovascular disease occurrence after large-scale disasters is limited. This prospective study followed up a total of 37,810 Japanese men and women aged 30-89 years from the Fukushima Prefecture with no history of stroke or heart disease at baseline (2012), until 2017. This period included 3000 cardiovascular events recorded through questionnaires and death certificates. T…
Lifestyle factors associated with prevalent and exacerbated musculoskeletal pain after the Great East Japan Earthquake
Prevalent and exacerbated musculoskeletal pain were inversely associated with exercising almost daily and participating in recreational or community activities sometimes or often, and positively associated with decreased income, current heavy drinking, and insomnia. Besides, the use of evacuation shelters or temporary housing/job loss was positively associated only with exacerbated musculoskeletal pain. These results suggest that post-disaster li…
Medicine (49 works) · Demography (26 works) · Environmental health (26 works) · Internal Medicine (25 works) · Demography (19 works) · Psychiatry (17 works) · Psychology (16 works) · Confidence interval (15 works) · Fukushima Nuclear Accident (15 works) · Clinical Psychology (13 works)