Objective/BackgroundMost parents of children with autism spectrum disorder (ASD) have difficulties with the selective eating behaviour of their children. This study aimed to develop a newly designed intervention programme on improving selective eating behaviour for parents of children with ASD and evaluate its effectiveness.MethodsThe participants were 23 parents of children (aged 3–6 years) with ASD. The education programme included a session that addressed approaches to improve selective eating and attitudes at meal times, with a discussion. The intervention aimed to identify the underlying factors and approaches to improve selective eating in children and the self-efficacy of parents.ResultsSignificant differences were observed before and after the intervention in the degree of difficulty perceived by parents, their degree of self-efficacy, the number of recommendations conducted by them, their subjective view of the degree of dietary imbalance, and the number of food items consumed by their children.ConclusionWe developed an interventional programme for parents of children with ASD and this programme was found to be useful. It is important for occupational therapists to consider the factors and approaches for selective eating in children with ASD in order to provide early intervention for their parents.

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.

There was a growing interest in difficulties with eating as one of the most problematic symptoms in children with autism spectrum disorder (ASD). The purpose of this study is to examine the convergent validity of the Autism Spectrum Disorder Mealtime Behavior Questionnaire (ASD-MBQ) with the Asahide’s test for social adjustment skills, the Japanese version of the short version of the sensory profile questionnaire, the Japanese version of the Social Communication Questionnaire, and the Parenting Strain Index in Japanese children with ASD. The final sample contained 294 children who were diagnosed as the ASD based on the DSM-5 criteria, the mean age of children was 10 ± 4 years (range: 3–18 years). The ASD-MBQ is a questionnaire that comprised of 42 items that are classified into five subdomains: selective eating, clumsiness/manners, interest in/concentration on eating, oral-motor function, and overeating. Spearman’s rank correlation coefficient revealed that the ASD-MBQ showed the moderate to high correlation coefficient with all four external criteria. Our results in this study supported the sufficient convergent validity in the ASD-MBQ. Therefore, the ASD-MBQ could be a useful tool for research and practice in a wide range of children with ASD aged 3 to 18.

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We developed a prototype version of the Self-Assessment Burden Scale-Motor as a screening questionnaire for the need of care based on the evaluation of patients' activities of daily living. The questionnaire is comprised of seven items, each of which is scored on a 7-point Likert scale. This study aimed to examine the psychometric properties of the questionnaire using Rasch analysis. [Participants and Methods] A total of 200 individuals completed the questionnaire. Rasch analysis to investigate the rating scale structure and examine the structural validity and reliability of the scale. The unidimensionality of the items was examined using the mean square infit values and principal component analysis of residuals. The separation reliability of the scale was also examined. [Results] The rating scale structure can be improved by collapsing several categories (from seven categories to four categories). Unidimensionality was found for seven items. The separation reliability was acceptable for item calibrations and persons. [Conclusion] Inclusion of seven items with a 4-category rating scale was appropriate for the Self-Assessment Burden Scale-Motor questionnaire. Future studies should examine the intra-rater reliability and the criterion-related validity in more depth and develop a new scale to evaluate cognitive function.