There is no universally agreed-upon definition of disability. According to the World Health Organization (WHO), disability is an umbrella term that includes any impairment, activity limitation, and participation restriction that limits an individual’s functioning (WHO 2017). An impairment is a “problem in body function or structure.” An activity limitation is a “difficulty encountered by an individual in executing a task or action.” A participation restriction is “a problem experienced by an individual in involvement in life situations.” Disability is conceptualized broadly as a phenomenon that is produced by the interaction of the individual with a health condition and that individual’s contextual factors (environmental and personal). Etiology can be developmental or acquired.
Prevalence of Disability
There is significant variability in international disability rates due to methodical differences such as definition and data collection. In a study of 19...
References and Readings
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- WHO. Disabilities. Retrieved 18 June 2017, from http://www.who.int/topics/disabilities/en/
- WHO. WHO disability assessment schedule 2.0. Retrieved 18 June 2017 from http://www.who.int/classifications/icf/whodasii/en/
- WHO. (2001). International classification of functioning, disability and health. Geneva: World Health Organization.Google Scholar
- WHO. (2011). World report on disability. Geneva: World Health Organization.Google Scholar