Masaya Takahashi

Summary

Affiliation: National Institute of Industrial Health
Country: Japan

Publications

  1. ncbi request reprint Disturbed sleep-wake patterns during and after short-term international travel among academics attending conferences
    Masaya Takahashi
    National Institute of Industrial Health, 6 21 1, Nagao, Tama ku, Kawasaki 214 8585, Japan
    Int Arch Occup Environ Health 75:435-40. 2002
  2. ncbi request reprint Maintenance of alertness and performance by a brief nap after lunch under prior sleep deficit
    M Takahashi
    National Institute of Industrial Health, Kawasaki, Japan
    Sleep 23:813-9. 2000
  3. ncbi request reprint The role of prescribed napping in sleep medicine
    Masaya Takahashi
    National Institute of Industrial Health, 6 21 1, Nagao, Tama ku, Kawasaki, 214 8585, Japan
    Sleep Med Rev 7:227-35. 2003
  4. ncbi request reprint Post-lunch nap as a worksite intervention to promote alertness on the job
    Masaya Takahashi
    National Institute of Industrial Health, 6 21 1, Nagao, Tama ku, Kawasaki 214 8585, Japan
    Ergonomics 47:1003-13. 2004
  5. ncbi request reprint Sickness absence in relation to psychosocial work factors among daytime workers in an electric equipment manufacturing company
    Yasumasa Otsuka
    National Institute of Occupational Safety and Health, Kawasaki, Kanagawa, Japan
    Ind Health 45:224-31. 2007
  6. doi request reprint Work schedule differences in sleep problems of nursing home caregivers
    Masaya Takahashi
    National Institute of Occupational Safety and Health, 6 21 1, Nagao, Tama ku, Kawasaki 214 8585, Japan
    Appl Ergon 39:597-604. 2008
  7. ncbi request reprint Impact of psychosocial job stress on non-fatal occupational injuries in small and medium-sized manufacturing enterprises
    Akinori Nakata
    National Institute of Industrial Health, Kawasaki, Japan
    Am J Ind Med 49:658-69. 2006
  8. ncbi request reprint Association of active and passive smoking with sleep disturbances and short sleep duration among japanese working population
    Akinori Nakata
    National Institute of Occupational Safety and Health, Kawasaki, Japan
    Int J Behav Med 15:81-91. 2008
  9. doi request reprint Musculoskeletal pain and night-shift naps in nursing home care workers
    Masaya Takahashi
    National Institute of Occupational Safety and Health, Nagao, Tama ku, Kawasaki, Japan
    Occup Med (Lond) 59:197-200. 2009
  10. ncbi request reprint Validation of the Karolinska sleepiness scale against performance and EEG variables
    Kosuke Kaida
    Japan National Institute of Occupational Safety and Health, Kawasaki, Japan
    Clin Neurophysiol 117:1574-81. 2006

Collaborators

Detail Information

Publications46

  1. ncbi request reprint Disturbed sleep-wake patterns during and after short-term international travel among academics attending conferences
    Masaya Takahashi
    National Institute of Industrial Health, 6 21 1, Nagao, Tama ku, Kawasaki 214 8585, Japan
    Int Arch Occup Environ Health 75:435-40. 2002
    ..To examine variations in sleep and wakefulness associated with international travel...
  2. ncbi request reprint Maintenance of alertness and performance by a brief nap after lunch under prior sleep deficit
    M Takahashi
    National Institute of Industrial Health, Kawasaki, Japan
    Sleep 23:813-9. 2000
    ..2 min, and no stage 3 and 4 sleep was observed. The above results suggest that under prior sleep deficit, a 15-min nap during post-lunch rest maintains subsequent alertness and performance, particularly in the mid-afternoon...
  3. ncbi request reprint The role of prescribed napping in sleep medicine
    Masaya Takahashi
    National Institute of Industrial Health, 6 21 1, Nagao, Tama ku, Kawasaki, 214 8585, Japan
    Sleep Med Rev 7:227-35. 2003
    ....
  4. ncbi request reprint Post-lunch nap as a worksite intervention to promote alertness on the job
    Masaya Takahashi
    National Institute of Industrial Health, 6 21 1, Nagao, Tama ku, Kawasaki 214 8585, Japan
    Ergonomics 47:1003-13. 2004
    ..Workers' attitudes toward the nap were favourable. Although further intervention research is required, our results suggest that post-lunch napping may have the potential to promote daytime alertness at work...
  5. ncbi request reprint Sickness absence in relation to psychosocial work factors among daytime workers in an electric equipment manufacturing company
    Yasumasa Otsuka
    National Institute of Occupational Safety and Health, Kawasaki, Kanagawa, Japan
    Ind Health 45:224-31. 2007
    ..10). This study suggests that appropriate use of sickness absence at times of being exposed to high quantitative workload may help male workers to recover from stressful situations...
  6. doi request reprint Work schedule differences in sleep problems of nursing home caregivers
    Masaya Takahashi
    National Institute of Occupational Safety and Health, 6 21 1, Nagao, Tama ku, Kawasaki 214 8585, Japan
    Appl Ergon 39:597-604. 2008
    ..33, 1.36-4.02), and poor sleep quality (2.15, 1.09-4.22). Our data suggest that working under a rotating two-shift system, which has a longer night shift, is associated with an elevated risk of sleep problems for nursing home caregivers...
  7. ncbi request reprint Impact of psychosocial job stress on non-fatal occupational injuries in small and medium-sized manufacturing enterprises
    Akinori Nakata
    National Institute of Industrial Health, Kawasaki, Japan
    Am J Ind Med 49:658-69. 2006
    ..The purpose of this study was to examine the association between psychosocial job stress and occupational injuries among workers in SMEs...
  8. ncbi request reprint Association of active and passive smoking with sleep disturbances and short sleep duration among japanese working population
    Akinori Nakata
    National Institute of Occupational Safety and Health, Kawasaki, Japan
    Int J Behav Med 15:81-91. 2008
    ..The relationship between passive smoking and sleep is uncertain...
  9. doi request reprint Musculoskeletal pain and night-shift naps in nursing home care workers
    Masaya Takahashi
    National Institute of Occupational Safety and Health, Nagao, Tama ku, Kawasaki, Japan
    Occup Med (Lond) 59:197-200. 2009
    ..Taking a nap during night shifts has been proposed to ameliorate shift work-related problems, but its relationship with MSDs is not clear...
  10. ncbi request reprint Validation of the Karolinska sleepiness scale against performance and EEG variables
    Kosuke Kaida
    Japan National Institute of Occupational Safety and Health, Kawasaki, Japan
    Clin Neurophysiol 117:1574-81. 2006
    ..The main aim of the present study was to investigate the validity and reliability of the KSS with electroencephalographic, behavioral and other subjective indicators of sleepiness...
  11. doi request reprint How do the timing and length of a night-shift nap affect sleep inertia?
    Tomohide Kubo
    National Institute of Occupational Safety and Health, Kawasaki, Japan
    Chronobiol Int 27:1031-44. 2010
    ..The present findings are significant in terms of occupational safety; the practical implication is that great care is needed when taking a 1-h nap between 04:00 and 05:00 h on the night shift...
  12. doi request reprint Sleep, fatigue, recovery, and depression after change in work time control: a one-year follow-up study
    Masaya Takahashi
    National Institute of Occupational Safety and Health, Nagao, Tama ku, Kawasaki, Japan
    J Occup Environ Med 54:1078-85. 2012
    ..We examined how change in work time control was associated with sleep and health 1 year later...
  13. ncbi request reprint Psychosocial work characteristics predicting daytime sleepiness in day and shift workers
    Masaya Takahashi
    National Institute of Occupational Safety and Health, Tama ku, Kawasaki, Japan
    Chronobiol Int 23:1409-22. 2006
    ..The present findings may imply that redesigning these aspects of work environment would be of help in managing daytime sleepiness...
  14. doi request reprint Worktime control-dependent reductions in fatigue, sleep problems, and depression
    Masaya Takahashi
    National Institute of Occupational Safety and Health, Nagao, Tama ku, Kawasaki, Japan
    Appl Ergon 42:244-50. 2011
    ..The present findings indicate that increased worktime control and enhanced control over days off in particular, may be associated with favorable health outcomes...
  15. ncbi request reprint Sleep-related risk of occupational injuries in Japanese small and medium-scale enterprises
    Akinori Nakata
    National Institute of Industrial Health, Kawasaki, Japan
    Ind Health 43:89-97. 2005
    ..The findings suggest that poor nocturnal sleep habits are associated with self-reported occupational injury...
  16. ncbi request reprint [Usage survey of care equipment in care service facilities for the elderly]
    Kazuyuki Iwakiri
    National Institute of Occupational Safety and Health, Nagao, Kawasaki, Japan
    Sangyo Eiseigaku Zasshi 49:12-20. 2007
    ..Therefore, we thought that care workers must consistently use care equipment. To achieve such increased usage, we must improve the usability of the equipment...
  17. doi request reprint Weekend sleep intervention for workers with habitually short sleep periods
    Tomohide Kubo
    National Institute of Occupational Safety and Health, Kawasaki, Japan
    Scand J Work Environ Health 37:418-26. 2011
    ..This study was conducted to determine whether extended sleep time during the weekend improves alertness and performance during the subsequent week for workers who are habitually short on sleep time...
  18. ncbi request reprint Association of sickness absence with poor sleep and depressive symptoms in shift workers
    Akinori Nakata
    National Institute of Industrial Health, Kawasaki, Japan
    Chronobiol Int 21:899-912. 2004
    ..The association is particularly strong with long-term absence in male shift workers...
  19. ncbi request reprint Occupational and socioeconomic differences in actigraphically measured sleep
    Masaya Takahashi
    National Institute of Occupational Safety and Health, Kawasaki, Japan
    J Sleep Res 23:458-62. 2014
    ..No associations were significant for sleep-onset latency or wake after sleep onset. These preliminary results suggest that enhanced workplace social capital is closely associated with better quality and quantity of sleep. ..
  20. ncbi request reprint [How are leisure activity and shiftwork schedule associated with recovery from fatigue in shiftwork nurses?]
    Tomohide Kubo
    National Institute of Occupational Safety and Health, 6 21 1 Nagao, Tama ku, Kawasaki, Kanagawa 214 8585, Japan
    Sangyo Eiseigaku Zasshi 55:90-102. 2013
    ..This study explored how leisure activity during days off and shift work schedule are associated with recovery from fatigue in nurses working rotating shifts...
  21. ncbi request reprint Health problems due to long working hours in Japan: working hours, workers' compensation (Karoshi), and preventive measures
    Kenji Iwasaki
    Institute of Industrial Health, National Institute of Occupational Safety and Health, Nagao, Kawasaki, Japan
    Ind Health 44:537-40. 2006
    ..It is obvious that we need to continue research regarding the impact on worker health and the management of long working hours...
  22. ncbi request reprint Indoor exposure to natural bright light prevents afternoon sleepiness
    Kosuke Kaida
    National Institute of Industrial Health, Kawasaki, Japan
    Sleep 29:462-9. 2006
    ..The present study examined the effects of indoor exposure to natural bright light on afternoon sleepiness...
  23. pmc Prioritizing sleep for healthy work schedules
    Masaya Takahashi
    National Institute of Occupational Safety and Health, 6 21 1, Nagao, Tama ku, Kawasaki 214 8585, Japan
    J Physiol Anthropol 31:6. 2012
    ..Therefore, we suggest establishing work-sleep balance, similar to work-life balance, as a principle for designing and improving work schedules...
  24. ncbi request reprint Job stress, social support, and prevalence of insomnia in a population of Japanese daytime workers
    Akinori Nakata
    National Institute of Industrial Health, 6 21 1 Nagao, Tama ku, Kawasaki 214 8585, Japan
    Soc Sci Med 59:1719-30. 2004
    ....
  25. ncbi request reprint Characterizing recovery of sleep after four successive night shifts
    Tomohide Kubo
    National Institute of Occupational Safety and Health, 6 21 1 Nagao, Tama ku, Kawasaki 214 8585, Japan
    Ind Health 47:527-32. 2009
    ..The correlation analysis indicated that sleep habits (bed time and variation of wake time) prior to the experiment were significantly related to the recovery patterns, rather than performance and alertness during the night shifts...
  26. ncbi request reprint Modifying effects of perceived adaptation to shift work on health, wellbeing, and alertness on the job among nuclear power plant operators
    Masaya Takahashi
    National Institute of Industrial Health, 6 21 1 Nagao, Tama ku, Kawasaki 214 8585, Japan
    Ind Health 43:171-8. 2005
    ....
  27. ncbi request reprint Self-awakening, sleep inertia, and P3 amplitude in elderly people
    Kosuke Kaida
    The Japan Society for Promotion of Science
    Percept Mot Skills 102:339-51. 2006
    ..The present study indicates a 20-min. nap reduces afternoon sleepiness, and the application of self-awakening may contribute to higher arousal after a nap taken by this elderly group...
  28. ncbi request reprint Arm pain and daytime sleepiness among nursing home employees
    Masaya Takahashi
    National Institute of Occupational Safety and Health, Nagao, Kawasaki, Japan
    Ind Health 44:669-73. 2006
    ..These findings suggest that arm pain is associated with elevated sleep propensity/fatigue in nursing home work...
  29. ncbi request reprint Association between night-shift work and serum 25-hydroxyvitamin D levels in Japanese male indoor workers: a cross-sectional study
    Hiroaki Itoh
    National Institute of Occupational Safety and Health, Kawasaki, Japan
    Ind Health 49:658-62. 2011
    ..These results clearly indicate the need for large-scale studies to test the hypothesis that night-shift work is associated with lower 25OHD levels...
  30. ncbi request reprint Heart rate variability in occupational health --a systematic review
    Fumiharu Togo
    National Institute of Occupational Safety and Health, Tama ku, Kawasaki 214 8585, Japan
    Ind Health 47:589-602. 2009
    ..We also propose the use of very low and ultralow frequency HRV components in autonomic research for workers' health...
  31. pmc Association of job demands with work engagement of Japanese employees: comparison of challenges with hindrances (J-HOPE)
    Akiomi Inoue
    Department of Mental Health, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan, Kitakyushu, Japan
    PLoS ONE 9:e91583. 2014
    ..The purpose of the present study was to replicate the cross-sectional association of workload and time pressure (as a challenge) and role ambiguity (as a hindrance) with work engagement among Japanese employees...
  32. ncbi request reprint A short nap and natural bright light exposure improve positive mood status
    Kosuke Kaida
    National Institute of Occupational Safety and Health, Kanagawa, Japan
    Ind Health 45:301-8. 2007
    ..These results suggest that the proper application of both natural light and a short nap shifts the mood status to the positive/favorable side...
  33. ncbi request reprint Sleep-disordered breathing and blood pressure levels among shift and day workers
    Takeshi Tanigawa
    Department of Public Health Medicine, Doctorial Program in Social and Environmental Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Japan
    Am J Hypertens 19:346-51; discussion 352. 2006
    ..The objective of this study was to examine whether a relationship between SDB and blood pressure/hypertension is more evident among shift workers than among day workers...
  34. ncbi request reprint Perceived job stress and sleep-related breathing disturbance in Japanese male workers
    Akinori Nakata
    National Institute of Occupational Safety and Health, Japan
    Soc Sci Med 64:2520-32. 2007
    ..Results also indicate that job stress should be considered when evaluating SBD in occupational and clinical settings...
  35. doi request reprint Perceived psychosocial job stress and sleep bruxism among male and female workers
    Akinori Nakata
    Division of Applied Research and Technology, National Institute of Occupational Safety and Health, 4676 Columbia Parkway, Cincinnati, OH 45226, USA
    Community Dent Oral Epidemiol 36:201-9. 2008
    ..The aim of this epidemiological study was to examine the relationship between psychosocial job stress and SB...
  36. ncbi request reprint Active and passive smoking and depression among Japanese workers
    Akinori Nakata
    Division of Applied Research and Technology, National Institute for Occupational Safety and Health, Cincinnati, OH 45226, USA
    Prev Med 46:451-6. 2008
    ..To assess the relation of passive and active smoking to depressive symptoms in 1839 men and 931 women working in a suburb of Tokyo in 2002...
  37. ncbi request reprint The phosphatidylethanolamine N-methyltransferase gene V175M single nucleotide polymorphism confers the susceptibility to NASH in Japanese population
    Hang Dong
    Department of Gastroenterology and Hepatology, Kochi Medical School, Nankoku 783 8505, Japan
    J Hepatol 46:915-20. 2007
    ..The aim of this study was to investigate whether the carriers of Val175Met variant impaired in PEMT activity are more susceptible to NASH...
  38. ncbi request reprint [Measuring workplace climate: reliability and validity of the 12-item Organizational Climate Scale (OCS-12)]
    Satoe Fukui
    Japan Society for the Promotion of Science, 5 3 1, Kojimachi, Chiyoda ku, Tokyo 102 8471, Japan
    Sangyo Eiseigaku Zasshi 46:213-22. 2004
    ..It is suggested that the OCS-12 could be a reliable and valid instrument for assessing workers' perception of workplace climate...
  39. ncbi request reprint Perceived sleepiness of non-shift working men in two different types of work organization
    Kenji Fukasawa
    Department of Basic Clinical Science and Public Health, Tokai University School of Medicine, Japan
    J Occup Health 48:230-8. 2006
    ..It is suggested that not only lifestyle and sleep habits, but also the characteristics and dynamics of a work organization should be a focus of attention when planning measures to prevent sleepiness at work...
  40. ncbi request reprint Non-fatal occupational injury among active and passive smokers in small- and medium-scale manufacturing enterprises in Japan
    Akinori Nakata
    National Institute of Occupational Safety and Health, Japan
    Soc Sci Med 63:2452-63. 2006
    ..The present study indicates an expected increase in the risk of, occupational injury for current and former smoking men and suggests that exposure to passive smoking is a possible risk factor for never smoking men...
  41. ncbi request reprint Shiftwork locus of control, situational and behavioural effects on sleepiness and fatigue in shiftworkers
    Lawrence Smith
    Shiftwork Research Group, Institute of Psychological Sciences, University of Leeds, Leeds LS2 9JT, UK
    Ind Health 43:151-70. 2005
    ..The results suggest control beliefs to be a moderating factor in shiftwork exposure and the potential utility of this construct in aiding more effective targeting of interventions...
  42. ncbi request reprint Work organization and workers' safety and health
    Masaya Takahashi
    Ind Health 46:103-4. 2008
  43. ncbi request reprint Sleep-disordered breathing and hypertension in Japanese steel workers
    Noritada Kato
    Department of Occupational Mental Health, Graduate School of Medical Science Kitasato University, 1 15 1 Kitasato, Sagamihara, Kanagawa 228 8555, Japan
    Ind Health 46:233-8. 2008
    ..low (<15) category of 3%ODI level was 2.86 (95% confidence interval, 1.23-6.66). The significant association between SDB and hypertension suggests that screening for SDB among steel workers is useful for prevention of hypertension...
  44. ncbi request reprint Changes in T1 and T2 observed in brain magnetic resonance imaging with delivery of high concentrations of oxygen
    Hidemasa Uematsu
    Department of Radiology, University of Fukui, Fukui, Japan
    J Comput Assist Tomogr 31:662-5. 2007
    ..The aim of this study was to clarify the relative contributions of the amount of oxygen in the blood, and vasoconstriction/dilation responsible for changes in T1 and T2 observed in brain during hyperoxia...
  45. ncbi request reprint Incidence of pulmonary embolism in younger versus older patients using CT
    Masaomi Kuroki
    Department of Radiology, Beth Israel Deaconess Medical Center, Brookline Avenue Boston, MA, USA
    J Thorac Imaging 21:167-71. 2006
    ....
  46. ncbi request reprint MRI assessment of lung parenchymal motion in normal mice and transgenic mice with sickle cell disease
    Shigeru Kiryu
    Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
    J Magn Reson Imaging 27:49-56. 2008
    ..To test the feasibility of a method to quantify regional pulmonary parenchymal motion via nonrigid registration algorithm at small animal scales...