Takayuki Kageyama

Prevalences of periodic limb movement-like and restless legs-like symptoms among Japanese adults.

Prevalences of periodic limb movement‐like and restless legs‐like symptoms among Japanese adults were investigated. The latter symptom was significantly associated with insomnia.

Estimated sleep debt and work stress in Japanese white-collar workers

Sleep debt on weekdays in Japanese white‐collar workers, estimated using a questionnaire, was associated with age, overtime, and self‐rated workload.

Views on suicide among middle‐aged and elderly populations in Japan: Their association with demographic variables and feeling shame in seeking help

Aims:  The purpose of this study was to investigate the relationship between inappropriate views on suicide, such as it being a personal choice, inevitable, unpreventable, and permissible, with demographic variables and the feeling of shame in seeking help among the general population.

Prevalence of nocturia among Japanese adults.

Abstract The prevalence of nocturia among Japanese community‐dwelling adults was associated with insomnia, taking into account other correlates of insomnia.

Social survey on wind turbine noise in Japan

Wind power generation is a promising means of utilizing renewable natural sources. However, sometimes the sound from wind turbine generators causes noise problems. A committee of Research on the Evaluation of Human Impact of Low Frequency Noise from Wind Turbine Generators conducted a series of physical measurements, laboratory psychological experiments and social surveys of wind turbine noise under the auspices of the Ministry of the Environment of Japan. Among the series of studies in this project, the study of social survey is introduced in this paper. A social survey was conducted at 34 sites where there were wind turbine generators nearby (wind turbine sites) and at 16 sites where there was no effect of wind turbine generators (control sites) across Japan from Hokkaido to Okinawa Prefecture. The numbers of respondents were 747 and 332, respectively. The design of the questionnaire used in the survey and the results, including a comparison between the wind turbine sites and control sites and the exposure-response relationship of annoyance, sleep disturbance and health status in relation to wind turbine noise, are discussed.

Exposure-response relationship of wind turbine noise with self-reported symptoms of sleep and health problems: A nationwide socioacoustic survey in Japan

The association of wind turbine noise (WTN) with sleep and physical/mental health has not been fully investigated. To investigate the relationship of WTN with the prevalence of self-reported symptoms of sleep and health problems, a socioacoustic survey of 1079 adult residents was conducted throughout Japan (2010-2012): 747 in 34 areas surrounding wind turbine plants and 332 in 16 control areas. During face-to-face interviews, the respondents were not informed of the purpose of the survey. Questions on symptoms such as sleeplessness and physical/mental complaints were asked without specifying reasons. Insomnia was defined as having one or any combination of the following that occurs three or more times a week and bothers a respondent: Difficulty initiating sleep, difficulty maintaining sleep, premature morning awakening, and feeling of light overnight sleep. Poor health was defined as having high scores for health complaints, as determined using the Total Health Index, exceeding the criteria proposed by the authors of the index. The noise descriptor for WTN was LAeq,n outdoor, estimated from the results of actual measurement at some locations in each site. Multiple logistic analysis was applied to the LAeq,n and insomnia or poor health. The odds ratio (OR) of insomnia was significantly higher when the noise exposure level exceeded 40 dB, whereas the self-reported sensitivity to noise and visual annoyance with wind turbines were also independently associated with insomnia. OR of poor health was not significant for noise exposure, but significant for noise sensitivity and visual annoyance. The above two moderators appear to indicate the features of respondents who are sensitive to stimuli or changes in their homeostasis.

Longitudinal change in youth suicide mortality in Okinawa after World War II: a comparative study with mainland Japan.

Abstract Okinawa prefecture has a unique socio‐cultural status in Japan including the experience of having been occupied by the USA from the end of World War II to 1972. In this study, the longitudinal change in youth suicide mortality for those aged 10–29 years in Okinawa (1960–90) was compared with that for the same sex‐age groups in mainland Japan (1950–90). In contrast with mainland Japan, no dramatic change in the youth suicide mortality was observed in Okinawa in the 1960s. The rise and fall of teenage suicide mortality in Okinawa during the 1970–80s might be associated with ‘reversion anxiety’, rather than with the traumatic experience of World War II itself. This seems to be inconsistent with previous speculation regarding the change in youth suicide mortality in mainland Japan. The suicide mortality for men aged 20–29 in Okinawa was significantly higher than that for the same sex‐age group in mainland Japan through the observed period. The possible effects of the USA occupation, economic anomie or migration on the suicide in Okinawa should be further examined.

Perception of Community Health Workers in Indonesia Toward Patients with Mental Disorders

Received Sep 03, 2015 Revised Dec 21, 2015 Accepted Jan 25, 2016 In Indonesia, there are any community health volunteers (cadre). Although cadres are members of mental health volunteer, they sometimes show negative attitude to psychotic persons, even they have already got some training about mental health. The aims of this study were to investigate 1) how is cadres’ perception compare to the other countries, 2) how will they consult compare to the other countries 3) how is comparison of cadres’ perception to mental disorder person between trained and untrained,. The method of this research is a descriptive explorative using survey study. This study was held on June to September 2013. It was conducted in five districts of Yogyakarta area with 619 respondents. The Questionnaires used contained three sections are follows; Part A is about Demographic Data, Part B two case vignettes (taken from MacArthur Health Module of the 1996 general Social Survey) and Part C about cadres experiences. The perception of cadre as part of the community is lower than the general residence in the United States and Japan. The comparison between trained and untrained cadres shown that trained cadres has better perception toward patient with mental disorder. These results suggest that actual experiences in meeting the cases contributed to the improvement of cadres’ perception better than the previous mental health training did. It might be cadres with short experience are explored information cadres should be trained with more structured curriculum and recruiting cadre is recommended to recruit the young generation. Keyword:

要介護高齢者における睡眠・覚醒パターンと抑うつ度との関係 : 認知機能の低下した施設入所者を対象とした検討

認知機能の低下と抑うつは,ともに睡眠・覚醒パターンの変調の原因となる.しかし,認知機能が低下した高齢者の場合,抑うつや睡眠障害を自覚症状から把握することは困難である.本研究では,抑うつ度の他覚的評価法として近年開発されたCornell Scale for Depression in Dementia(CSDD)を用い,療養型病院に入所していた高齢者39名(年齢84.1±8.7歳,改訂長谷川式簡易知能評価スケール8.6±6.2点,Barthel Index 43.2±30.3点)の59日間の睡眠指標との関連を検討した.その結果として,総睡眠時間とCSDD得点との間に負の相関が認められた(r=-0.423, p=0.007).以上の結果より,認知機能の低下した高齢者でも一般集団の場合と同様,抑うつ度と睡眠障害とが関連し,また,認知機能の低下した高齢者の睡眠援助において抑うつ度を考慮するには,CSDDが有効である可能性が示唆された.