Background No large-scale study of the timing of autism spectrum disorder (ASD) diagnosis has been performed in Japan to date. The aim of this study was to examine sex differences and annual trends in age at diagnosis of ASD using clinical data. Methods Clinical data for children aged less than 18 years diagnosed with ASD between January 1, 2009, and December 31, 2013, and in whom follow-up was possible 1 year after diagnosis, were extracted. Results The mean age at ASD diagnosis was 7.2 ± 4.2 years and the mode age was 3 years. No sex difference was observed for age at diagnosis (p = 0.157). An annual trend of earlier diagnosis was observed when fiscal years were compared (p < 0.001). Conclusion This study highlighted the need to develop and provide appropriate early intervention methods and services for ASD children in Japan.
Objectives The purpose of this study was to determine the factors related to changes in the burden of caregivers who look after the elderly at home, as well as factors related to the institutionalization of the elderly who require care. The types of care services associated with reducing caregivers' burden and continuing in-home care were also studied. Methods The study subjects were adults aged C65 years who used the services of in-home care management centres located in Osaka Prefecture, Japan, and their caregivers. This 2-year longitudinal study began in October 2007, with a total of three surveys undertaken once a year. The survey methods included self-administered questionnaires and the review of clinical records. Results Dementia and its accompanying behavioural disturbances were found to be significantly related to the increased burden of caregivers and the institutionalization of those requiring care. A significantly higher proportion of caregivers with an increasing burden or those who maintained a high level of burden used day care services compared to those in the other groups. Conclusion Preventive intervention against dementia and its accompanying behavioural disturbances should be considered in the day care service to reduce caregivers' burden and to decrease institutionalization.
The SSEs appeared effective for fall prevention and improvement of physical function in older adults. Implications for Rehabilitation The newly developed short stick exercises appear an effective means of reducing falls among older adults in residential care facilities. The short stick exercises seem to have an immediate effect on improving physical functions. Effects gained by performing the short stick exercises, such as static balance, flexibility and agility may last for six months. The short stick exercises were found to be easy for older adults to practice continuously in residential care facilities.
Children with autism spectrum disorder (ASD) exhibit many problematic mealtime behaviours. Currently, there is no process for measuring the mealtime behaviours of children with ASD in Japan. Therefore, we developed the ASD-Mealtime Behaviour Questionnaire (ASD-MBQ) using the results of surveys measuring problematic mealtime behaviours in Japanese children with ASD aged 3-18 years. The objective of this study was to analyse the structural validity of the ASD-MBQ in Japan. [Participants and Methods] We recruited 378 children with ASD aged 3-18 years and performed a confirmatory factor analysis on the ASD-MBQ by using a five-factor structure. [Results] The confirmatory factor analysis demonstrated structural validity (χ 2 =796.5, degrees of freedom=265, comparative fit index=0.901, root mean square error of approximation [90% confidence interval]=0.073 [0.067-0.079]). [Conclusion] We have demonstrated the structural validity of the ASD-MBQ, which provided useful information for planning interventions and evaluations for children with ASD. Further studies need to consider cutoff score by age and inter-rater reliability.
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