Masato Nagai

Biographic Data

ID5501204
NAMEMasato Nagai
GIVEN NAMESMasato
FAMILY NAMENagai
SIGNATURENAGAI M
AFFILIATIONSTohoku University
ORCID0000-0003-0818-3158
VERIFIEDYes
TOTAL WORKS6
TOTAL CITATIONS0
WORKS AS AUTHOR6
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2011
LATEST PUBLICATION YEAR2018
H-INDEX0

  • The Relationship between Sleep Time and Mental Health Problems According to the Strengths and Difficulties Questionnaire in Children after an Earthquake Disaster

    Open AccessShuntaro Itagaki, Tetsuya Ohira et al.ARTICLEInternational Journal of…2018

    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…

  • Perception of Radiation Risk as a Predictor of Mid-Term Mental Health after a Nuclear Disaster

    Open AccessItaru Miura, Masato Nagai et al.ARTICLEInternational Journal of…2017

    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

    Open AccessFukushima Health Management Survey, Masato Nagai et al.ARTICLEBMC Public Health2017

    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

  • P1-114 Weight change since age 20 and cardiovascular disease (CVD) mortality

    W T Chou, Wan‐Ting Chou et al.ARTICLEJournal of Epidemiology and…2011

    Introduction Long-term weight change since young-adulthood is a better indicator of distribution of body fat mass. We investigated weight change from age 20 in relation to the risk of CVD mortality, including specific causes of CVD, using data of a large population-based cohort study in Japan. Methods In 1994, 41 364 eligible individuals aged 40–79 years responded to the questionnaire survey. Participants were categorised by weight change: loss ≥…

  • P2-455 Sleep duration and risk of weight gain and obesity

    Masato Nagai, Masako Kakizaki et al.ARTICLEJournal of Epidemiology and…2011

    Introduction Several studies from Western countries have reported that sleep duration is associated with weight gain or obesity. We examined the association between sleep duration and risk of weight gain or obesity in Japan. Methods We combined data from two cohort studies. In 1994, we delivered a questionnaire to all individuals aged 40–79 years who lived in the catchment area of Ohsaki Public Health Center. Of 54 996 eligible individuals, 52 02…

  • SP3-40 Disability-free life expectancy and related factors in Japan

    Tatsuya Noda, Takeshi Ojima et al.ARTICLEJournal of Epidemiology and…2011

    Introduction Disability-free life expectancy (DFLE) is an average number of years that a person can expect to live in “full health.” The Japanese government asked all 47 prefectures to reflect DFLE in their health policies. To meet this political demand, we estimated DFLE of all the prefectures in Japan by the data of the Long-Term Care Insurance System implemented in 2000 and examined socio-demographic and health factors which might influence DF…