Background: Adults with intellectual disabilities should participate in the diagnostics of their mental health. The Glasgow Depression Scale for people with a Learning Disability (GDS-LD) and its Carer Supplement (GDS-CS) were translated into German and tested. Methods: Internal consistency, criterion validity and inter-test reliability were…

Background: Existing literature failed to explore the parental expectations and experiences from physiotherapy for children with Down syndrome. Hence, we aimed to validate a semi-structured interview guide to explore parental experiences and expectations from physiotherapy for children with Down syndrome. Methods: A 28-item interview guide was…

Background: Measurement instruments to understand self-determined motivation towards physical activity among college students with intellectual disabilities are needed to develop programs to support physical and psychological health and well-being. The purpose of the current study was to validate a modified questionnaire measuring basic…

Background: Gaining insight into sleep-wake patterns of persons with intellectual disabilities is commonly done using wrist actigraphy. For some people, contactless alternatives are needed. This study compares a contactless bed sensor with wrist actigraphy to monitor sleep-wake patterns of people with moderate to profound intellectual…

Introduction: This study investigated the reliability and validity of the dynamic risk outcome scales--short version (DROS-SV). This instrument is developed to monitor treatment progress using dynamic risk factors in clients with mild intellectual disabilities or borderline intellectual functioning and behavioural and/or mental health problems.…

Background: Views can be collected from individuals (self-report) or others on their behalf (proxy-report). Objective: We aimed to review the literature on methods and statistical approaches used to evaluate observer versus self-report responses from individuals with intellectual disability or Down syndrome. Methods: A series of key questions…

Background: Assessment of work performance (AWP) is a test for assessing work performance and can be utilised in matching person-work and applying effective interventions. It was aimed to adjust and to evaluate the validity and reliability of AWP in Turkish with individuals with mild intellectual disability (ID). Methods: The study was conducted…

Background: Study of frailty in adults with intellectual and developmental disabilities (IDD) is relatively new. To build the body of literature, an international consensus statement on how to support adults with IDD as they become frail was developed based on fictional cases. This study examined the face validity and applicability of the…

Background: Experiences of people with intellectual disability are often reported by proxy, excluding the person's own perception. To assist people with intellectual disabilities ability to communicate their own experiences, the current study explored the feasibility, reliability and validity of experience sampling methods (ESMs) for people with…

Background: One of the most extensively tested risk assessment instruments in offenders with an intellectual disability (OIDs) is the Violence Risk Appraisal Guide (VRAG). The purpose of this prospective study was to test the ability of this instrument to predict institutional aggression in OIDs. Method: VRAG scores were collected for 52 OIDs, and…

Background: The aim of this study was to verify the accuracy of anthropometric equations to estimate the body density (BD) of adults with Down syndrome (DS), and propose new regression equations. Materials and methods: Twenty-one males (30.5 ± 9.4 years) and 17 females (27.3 ± 7.7 years) with DS participated in this study. The reference method for…

Background: The current body of research on job satisfaction of people with intellectual disability is based on highly diverse measures, originating both from the general population and people with intellectual disability. This heterogeneity represents a possible confounder. Best-practice approaches for the assessment of job satisfaction are hence…

Background: Informant-based assessment of behavioural change and difference in dementia in Down syndrome can aid diagnosis and inform service delivery. To date few studies have examined the impact of different types of behavioural change. Methods: The Assessment for Adults with Developmental Disabilities (AADS), developed for this study, assesses…

Background: Developmental monitoring of children is an important strategy for the early detection and management of intellectual disabilities (ID) in high-income countries. This review summarizes the literature on identifying children with ID in low- and middle-income (LAMI) countries. Materials and methods: Electronic literature database searches…

Background: This study analyzes the psychometric properties of the Portuguese version of the Quality of Life Questionnaire (QOL-Q; Quality of Life Questionnaire Manual--1993 Manual and 2004 Revision. 2004, IDS Publishing Company, Worthington, OH; Schalock & Keith 2004). Method: The analysis of the factorial structure was carried out on a sample of…