Background: Aggressive behaviour (AB) and non-suicidal self-injury (NSSI) are common in people with mild intellectual disability or borderline intellectual functioning, leading to adverse consequences for themselves and those around them. Method: We investigated the relationship between AB (both total and physical in particular) and NSSI and risk…

Background: Relationships between dynamic risk factors for externalising problem behaviour and group climate were investigated in 151 adult in-patients with mild intellectual disability or borderline intellectual functioning in a Dutch secure residential facility. Method: Regression analysis was used to predict "total group climate…

Introduction: Paving the way towards inclusive education, it is essential to aim for positive social outcomes for all students, including cultivating a positive self-concept and fostering acceptance and friendships with peers. Although self-concept, acceptance and friendships are interrelated, research focussing on the relationship between these…

Background: The purpose of this study was to assess the prevalence of unknown comorbid mental disorders in individuals with mild/moderate intellectual disability (ID) with/without autism spectrum disorders (ASD) and to compare the severity of challenging behavior with respect to the comorbidity of ASD and comorbid psychiatric disorders. Methods:…

Teachers' interventions against the behaviors of students with intellectual disability (ID) are urgent for their instructional strategies in the classroom. There were 42 teachers of children with ID given a questionnaire via Google Forms. The questions posed concerned the antecedents of the behavior problems in students with ID, the forms of the…

Background: Addiction medicine still largely neglects the topic of mild and borderline intellectual disabilities (MBID), although patients with MBID are considered a risk group for substance-related problems and offending behaviour. This study aimed to explore the cognitive and adaptive impairments of inpatients in forensic addiction mental health…

Adolescents with intellectual disability (ID) engage in risky behavior and offending. However, little is known on the impact school-related predictors have on engagement in risky behaviors for adolescents with ID. This study analyzed secondary data from the National Longitudinal Transition Study-2 (NLTS2) to determine levels of engagement in risky…

Introduction: Individual social status among peers (i.e., acceptance and rejection) has important implications for students' social and academic development. The present study investigates the role of individual problem behavior and classroom norms in the development of acceptance and rejection among students with intellectual disabilities (ID) in…

Research on follow-up outcomes of systemic interventions for family members with an intellectual disability is scarce. In this study, short-term and long-term follow-up outcomes of multisystemic therapy for adolescents with antisocial or delinquent behaviour and an intellectual disability (MST-ID) are reported. In addition, the role of parental…

This study investigated the perceived stress levels and coping strategies of caregivers of adults with intellectual disability and challenging behaviours during the COVID-19 pandemic in Qatar. A cross-sectional survey was conducted from June 7 to September 7, 2020 for caregivers of adults diagnosed with intellectual disability and challenging…

Background: As both epilepsy and challenging behaviour are highly prevalent in adults with intellectual disability (ID) it is important to explore any potential relationships between the two to inform patient care. The aim of the present study was to investigate the relationship between epilepsy factors and challenging behaviour in adults with ID.…

Introduction: Challenging behaviors are common in individuals with developmental disabilities and pose significant challenges to their well-being and that of their families and communities. Method: We explored the occurrence and predictors of self-injurious behavior and aggressive/destructive behavior in 372 Canadian youths (aged 4-20 years) with…

People with intellectual and developmental disabilities (IDD) often rely on Medicaid-funded services and supports to facilitate their daily living. The financial investment for these services is significant, yet little work has been conducted to understand how these investments affect life outcomes. This pilot study used a novel data integration…

Background: There is strong evidence about the effectiveness of Active Support. Recent research has established predictors of good Active Support as staff training, practice leadership, and service setting size. This paper explores features of organisational leadership and structures predictive of Active Support. Methods: Multilevel modelling with…

There is limited data on long-term outcome of ASD with co-occurring intellectual disabilities (ID) and challenging behaviours in France. The EpiTED period cohort is a 15 years longitudinal study of the developmental trajectories of 281 children initially recruited at mean age of 5 years. Two contrasted developmental trajectories were identified.…