Mayumi Watanabe

ORCID: 0000-0002-2850-3019
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About
Contact & Profiles
Research Areas
  • Workplace Health and Well-being
  • Embedded Systems Design Techniques
  • Resilience and Mental Health
  • Work-Family Balance Challenges
  • Job Satisfaction and Organizational Behavior
  • Low-power high-performance VLSI design
  • Advancements in Semiconductor Devices and Circuit Design
  • Sleep and Work-Related Fatigue
  • Workaholism, burnout, and well-being
  • VLSI and FPGA Design Techniques
  • Healthcare Systems and Public Health
  • Child and Adolescent Psychosocial and Emotional Development
  • Healthcare professionals’ stress and burnout
  • Semiconductor materials and devices
  • COVID-19 and Mental Health
  • Attachment and Relationship Dynamics
  • Animal testing and alternatives
  • Nutrition, Genetics, and Disease
  • Global Healthcare and Medical Tourism
  • Dietetics, Nutrition, and Education
  • Healthcare Education and Workforce Issues
  • Musculoskeletal pain and rehabilitation
  • Advanced MEMS and NEMS Technologies
  • Health and Well-being Studies
  • Reflective Practices in Education

Kanagawa Dental University
2024

Japan Medical Association
2021-2024

Kanto Gakuin University
2019-2024

Daiichi-Sankyo (Japan)
2021-2024

San Francisco VA Medical Center
2024

University of California, San Francisco
2024

Research Institute for Brain and Blood Vessels Akita
2023

Kansai University of Nursing and Health Sciences
2019-2022

Chuo University
2019-2022

Tokiwa University
2020

To investigate the association between short sleep duration and elevated body mass index (BMI) obesity in a large sample of Japanese adults over period.Prospective design with baseline 2006 1-year follow-up.Workplaces an electric power company Japan.35,247 employees (31,477 men, 3,770 women) distributed throughout Japan.Measured weight height self-reported were obtained at annual health checkup 2007. Weight change was defined as difference 1 year later. Relative to reference category (sleep...

10.1093/sleep/33.2.161 article EN SLEEP 2010-02-01

Aim and Background Recent research has suggested that the reasons why nurses work overtime hours exert differential effects on overall impact of work. This study aimed to clarify overtime, whether well-being differed by reason, at both ward individual level. Methods Participants were 1,075 permanent from 54 wards. Overtime reasons' distribution examined a multilevel structural equation modelling approach. Results Nurses typically worked due pressure conform, high workload enhance...

10.1111/jonm.12595 article EN Journal of Nursing Management 2018-04-23

Effort‐Reward Imbalance and Depression in Japanese Medical Residents: Yumi S akata , et al . Department of Occupational Mental Health, Graduate School Sciences, Kitasato University —The effort‐reward imbalance is an important psychosocial factor which related to poor health among employees. However, there are few studies that have evaluated medical residents. The present study was done determine the association between factors at work as defined by model depression We distributed a...

10.1539/joh.l8043 article EN Journal of Occupational Health 2008-11-01

To investigate the effects of sleep hygiene education for workers an information technology (IT) company, we conducted a controlled clinical trial providing 581 one-hour education. The contents program were review habits, provide education, and establishment habit goals. A self-report questionnaire was used to measure outcomes including Pittsburgh Sleep Quality Index (PSQI), Karolinska Sleepiness Scale (KSS), Checklist Individual Strength (CIS), Center Epidemiologic Studies Depression...

10.2486/indhealth.ms1083 article EN Industrial Health 2010-01-01

Organizational justice has recently attracted attention as a predictor of employee mental and physical health. However, the lack Japanese translation original English-language organizational scale (OJS) precluded its application in Japan. The present study aimed to develop version measure justice. We translated questionnaire, which is comprised 20 items, from English Japanese. OJS made up four distinct dimensions: procedural, distributive, interpersonal information A total 229 employees...

10.2486/indhealth.48.66 article EN Industrial Health 2010-01-01

Abstract Aims To clarify the subgroups of overtime work motivations and to determine how fatigue, mental status, engagement differ among subgroups. Design Cross‐sectional. Methods Questionnaires were distributed 1,075 full‐time nurses working in four hospitals Japan from October 2015 ‐ February 2016. Nurses categorized into motivation by latent class analysis. An analysis covariance was conducted examine Results/Findings We identified five types workers differing greatly engagement....

10.1111/jan.13991 article EN Journal of Advanced Nursing 2019-03-05

Aim Balanced function of the orofacial muscles is important for normal occlusion and dentition; however, patients with malocclusion often present myofunctional disorder (MFD). Myofunctional therapy (MFT) has received much attention as a method reducing MFD. Moreover, prefabricated functional appliances (PFAs) have been developed to eliminate abnormal muscle pressure guide tongue into correct position. However, PFAs disadvantages, such poor intraoral retention, limited usage time due...

10.7759/cureus.59228 article EN Cureus 2024-04-28

Background Medical-error analyses have been conducted to determine the root cause of adverse events and near misses. More precise determination cause-and-effect relationship likely will require a prospective design path analysis including both direct indirect effects. Methods The authors performed 6-month cohort study using structural-equation modelling (SEM). Of 879 nurses approached, 789 (89.8%) were included in final analysis. Potential predictors provided for age, years nursing...

10.1136/bmjqs-2010-048330 article EN BMJ Quality & Safety 2012-08-27

A total of 146 married inhabitants (67 men and 79 women) in a provincial city Japan were interviewed to examine marital adjustment its psychosocial determinants. Fifteen items the Short Marital Adjustment Test (Locke & Wallace, 1959) (LWT), self-rating questionnaire, transformed into semi-structured interview together with two new items. Factor analysis yielded five factors which interpreted as dyadic consensus, satisfaction, flexibility, home-loving, interest-sharing. Better women was...

10.1002/1520-6629(199504)23:2<117::aid-jcop2290230203>3.0.co;2-4 article EN Journal of Community Psychology 1995-04-01

In recent years, introducing virtual control groups (VCGs) into toxicology studies is increasingly discussed because of the 3Rs and non-human primate (NHP) supply issues. Evaluating study results using historical data not new; however, a VCG means replacing concurrent group in with VCG, thereby reducing number animals used by approximately 30%. While it may be possible to conduct developmental compound which replaced scientific appropriateness its regulatory acceptability needs considered....

10.33611/trs.2023-009 article EN Translational and Regulatory Sciences 2024-01-01

Health-related quality of life (HRQL) is an important measure health outcome in working and healthy populations. Here, we investigated the impact effort-reward imbalance (ERI), a representative work-stress model, on HRQL Japanese men. The study targeted 1,096 employees from manufacturing plant Japan. To assess ERI, participants were surveyed using version Short-Form 8 Health Survey (SF-8) model. Of employees, 1,057 provided valid responses to questionnaire. For physical summary scores,...

10.2486/indhealth.46.217 article EN Industrial Health 2008-01-01

The use of multiple power supplies with different output voltages has a great advantage in that it makes possible to realize high performance ULSIs low dissipation. This paper presents high-speed low-power SRAM employs three (1, 2, and 3.3 V). A 1-V supply is mainly used the core save standby and/or active power, while 2-V critical components performance. voltage applicable each MOSFET up 2.2 V because 5-nm ultrathin gate oxide, so 3.3-V only for LV-TTL level I/O buffers. Secure write...

10.1109/jssc.2010.2051262 article EN IEEE Journal of Solid-State Circuits 2010-08-24

This study of Japanese dual-earner couples examined the impact family and job demands on one's own partner's fatigue as well gender differences in these effects.A total 2,502 parents (1,251 couples) were surveyed using a self-administered questionnaire. A crossover model was tested structural equation modeling.The results modeling analyses showed that both independently exacerbated fatigue. There an indirect effect partner through only from husbands to wives. An identified wives husbands....

10.1371/journal.pone.0172291 article EN cc-by PLoS ONE 2017-02-24

Abstract Objectives This study examined the effectiveness of a newly developed work–family life support program on interface and mental health indicators among Japanese dual-earner couples with preschool child(/ren) using randomized controlled trial waitlist. Methods Participants who met inclusion criteria were randomly allocated to intervention or control groups (n = 79 n 85, respectively). The comprised two 3-h sessions 1-month interval between them provided comprehensive skills by...

10.1002/1348-9585.12397 article EN cc-by-nc-nd Journal of Occupational Health 2023-01-01

We aimed to compare longitudinal brain atrophy in patients with neuromyelitis optica spectrum disorder (NMOSD) healthy controls (HCs). The rate anti-aquaporin-4 antibody-positive NMOSD (AQP4 + NMOSD) was compared age-sex-matched HCs recruited from the Japanese Alzheimer's Disease Neuroimaging Initiative study and another performed at Chiba University. Twenty-nine AQP4 29 were enrolled study. time between magnetic resonance imaging (MRI) scans longer group (median; 3.2 vs. 2.9 years, P =...

10.1038/s41598-023-38893-1 article EN cc-by Scientific Reports 2023-08-03

This paper presents a high-speed and low-power SRAM for portable equipment, which is operated by single battery cell of around 1 V. Its memory cells are made up high-threshold-voltage (high-V/sub th/) MOSFETs in order to suppress the power dissipation due large subthreshold leakage currents. For designing peripheral circuitry, we use SRAM's special feature that input signals each logic gate during standby time can be predicted. Low-V/sub th/ assigned critical paths memory-cell access. The...

10.1109/4.766821 article EN IEEE Journal of Solid-State Circuits 1999-06-01

In this study, we investigated six types of mood state (tension-anxiety, depression-dejection, anger-hostility, vigor, fatigue, and confusion) using the Profile Mood States (POMS) with 40 Japanese university students. We examined five main quality life (QOL) domains (physical health, psychological social relationships, environmental health) World Health Organization Quality Life Scale (WHOQOL-26). also total scale score. Spearman’s rank correlations between POMS QOL scores compared male...

10.4236/health.2016.85044 article EN Health 2016-01-01

A sample of 67 married Japanese men and 79 women, ranging in age from 25 through 85 years, were interviewed to clarify the relationship between marital adjustment social adjustment. For whole sample, total score Short Marital Adjustment Test (SMAT; Locke & Wallace, 1959) its subcategories, dyadic consensus satisfaction, was significantly correlated with 5 subcategory scores Social Scale-II (SAS-II; Weissman, 1978): household (except spouse), external family adjustment, work leisure general...

10.1080/00224549809600350 article EN The Journal of Social Psychology 1998-02-01

Abstract Orientation-controlled Pc (TiOPc, VOPc and VOPcFx) films were prepared by vapor deposition on a KBr (001) surface. molecules oriented parallel to the substrate The photoelectrochemical properties of randomly-oriented an investigated in cells configuration ITO / I3 −, I−/Pt. Remarkable enhancement is obtained especially ISC (short circuit current) η′ (apparent energy conversion efficiency) epitaxial orientation.

10.1080/10587259508033991 article EN Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals/Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals 1995-10-01

In VLSI design, a critical factor lies in the area of different design tools. This paper will describe CAD tools to solve problems, accomplishments this and future plans Japan.

10.1109/isscc.1979.1156014 article EN 1979-01-01

This paper provides an overview of the Japanese semiconductor industry. In first part, a history industry from very beginning is described. Some unique features industry, like consumer orientation, vertical integration, and scale efficiency, are examined. second present status examined with some emphasis on large-scale integrated devices technologies. Nonsilicon technologies described compared those silicon. A wide variety now being studied developed, however, industry's viewpoint, main...

10.1109/t-ed.1984.21753 article EN IEEE Transactions on Electron Devices 1984-11-01
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