Quality of Life in Intellectual Disabilities
Summary
Intellectual disability affects cognitive functioning and adaptive behaviour, influencing how individuals perceive and engage with their environments. Quality of life is a multidimensional construct encompassing domains such as emotional well-being, social inclusion, personal development, physical health, autonomy and rights. In the context of intellectual disabilities, research has evolved from deficit-oriented models to holistic frameworks that integrate personal outcomes, support needs and the realisation of fundamental rights. Emphasis has shifted towards participatory approaches, ensuring that individuals with intellectual disabilities contribute to assessments of their own quality of life. Measurement instruments now include self-report tools adapted to linguistic and cognitive abilities, alongside proxy reports from caregivers or professionals. Emerging evidence highlights the pivotal role of community-based and context-sensitive interventions in enhancing well-being across the lifespan. Cross-cultural studies underscore the influence of socioeconomic factors and policy environments, while rights-based frameworks, including those aligned with the Convention on the Rights of Persons with Disabilities, guide the development of indicators that operationalise individual freedoms and social inclusion.
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Quality of Life in Intellectual Disabilities publication trend
The graph below shows the total number of articles in quality of life in intellectual disabilities across all publications each year (not limited to Nature Index journals).
Technical terms
Intellectual Disability (ID): A neurodevelopmental condition characterised by significant limitations in intellectual functioning and adaptive behaviour manifesting before adulthood.
Quality of Life (QoL): A multidimensional concept reflecting an individual’s subjective evaluation of their physical health, emotional well-being, social inclusion, autonomy and rights.
Community-based Rehabilitation (CBR): A strategy that empowers individuals with disabilities through local services and supports to enhance participation and well-being.
Psychometric Properties: Characteristics of assessment instruments that indicate their reliability, validity and sensitivity in measuring targeted constructs.
Support Needs: The level and types of assistance required by an individual to participate fully in daily life and achieve personal goals.
Convention on the Rights of Persons with Disabilities (CRPD): An international human rights treaty that outlines the rights of individuals with disabilities and guides policy and practice.
References
- Measurable Indicators of CRPD for People with Intellectual and Developmental Disabilities within the Quality of Life Framework. International Journal of Environmental Research and Public Health (2020).
- Going beyond Environment to Context: Leveraging the Power of Context to Produce Change. International Journal of Environmental Research and Public Health (2020).
- Community Living, Intellectual Disability and Extensive Support Needs: A Rights-Based Approach to Assessment and Intervention. International Journal of Environmental Research and Public Health (2021).
- Psychometric properties of measures designed to assess common mental health problems and wellbeing in adults with intellectual disabilities: a systematic review. Journal of Intellectual Disability Research (2023).
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