Protocol for a mixed-methods randomised controlled trial evaluating the effectiveness of a dyadic expressive arts-based intervention in improving the psychosocial well-being of children with intellectual disability in special schools and their mothers

Author:

Lo Temmy Lee TingORCID,Wan Adrian Ho Yin,Fong Ted Chun TatORCID,Wong Phyllis King Shui,Lo Herman Hay MingORCID,Chan Caitlin Kar Pui,Ho Rainbow Tin HungORCID

Abstract

IntroductionMothers of children with intellectual disability (ID) are often distressed because of intensive workloads and difficulties in communicating with their children. Given the interdependence between the psychosocial well-being of such dyads, interventions that promote parent–child relationships and mutual communication would be beneficial. Arts provide alternative avenues for expression and offer an imaginative and playful environment for discovering new communication strategies. Given the lack of studies on arts-based dyadic interventions, this study aims to examine the effectiveness of dyadic expressive arts-based intervention (EXAT) in improving the psychosocial outcomes of children with ID and their mothers and the mother–child relationships.Methods and analysisThis study will adopt a mixed-methods randomised controlled trial design, wherein 154 dyads of children with ID and their mothers will be randomised into either the dyadic EXAT group or the treatment-as-usual waitlist control group. Quantitative data will be collected at four time points: baseline (T0), postintervention (T1), 3-month postintervention (T2) and 6-month postintervention (T3). Qualitative data will be collected from a subset of 30 mothers in the intervention group at T1and T3to document their experiences and perceived changes after the intervention. Mixed-effects models and path analysis will be adopted to analyse the quantitative data, whereas thematic analysis will be applied to the qualitative data. Both sets of data will be triangulated for an integrated view of the effectiveness and mechanism of the intervention.Ethics and disseminationEthical approval has been obtained from the Human Research Ethics Committee of the University of Hong Kong (Ref. no.: EA200329). Written consent forms will be obtained from all recruited participants (mothers, children with ID and teachers/social workers) before data collection. The study findings will be disseminated in international conferences and peer-reviewed academic journals.Trial registration numberNCT05214859.

Funder

General Research Fund, Research Grants Council of Hong Kong

Publisher

BMJ

Subject

General Medicine

Reference59 articles.

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