The prevalence and factors associated with knee pain in Great Britain's Olympians aged 40 years and older.

Purpose: affecting approximately one in four adults over the age of 40 years in the UK, knee pain is the most common presenting feature of osteoarthritis (OA). Despite the plethora of studies that have investigated the factors associated with the onset of knee pain in the sedentary population, relatively little is known about the prevalence and occupational factors associated with knee pain in an athletic sporting population. This study aimed to determine in Great Britain’s (GB) Olympians, aged 40 years and older, (1) the individual factors.