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Factors affecting progression of disability


Disability is often a feared event for older people and maintenance of ability is key to ensuring our extra years are healthy ones. Disability is usually defined as difficulty in items of mobility and activities of daily living (ADLs): Instrumental (IADLs) e.g. shopping, laundry; and Basic (BADLs) e.g. dressing, toileting. It is well known that people meet difficulty with these activities in a specific order but this has mostly been determined by cross-sectional analyses and little is known about the average times between onset of difficulty with activities or the factors which may influence them.