Relationship between patient-reported disease severity in osteoarthritis and self-reported pain, function and work productivity

Table 1 Demographic characteristics of the population evaluated in the osteoarthritis Disease Specific Program (N = 714)

Variable (number of observations)	Value*
Mean age ± SD, years (n = 711)	63.8 ± 12.9
Age range, % (n = 711)
18 to 44 years	7.9
45 to 64 years	40.9
≥65 years	51.2
Gender, % (n = 711)
Female	61.7
Male	38.3
Employment, % (n = 674)
At least part time	41.1
Unemployed	6.1
Retired	40.7
Student	0.3
Homemaker	9.4
Other	2.4
Mean time since diagnosis ± SD, years (n = 682)	5.6 ± 6.5
Joints affected, n (%)
Neck	174
Shoulders	144
Elbows	56
Wrists	137
Metacarpophalangeal joints	141
Spine	280
Hips	214
Knees	505
Ankles	55
Feet	74

*Values and proportions are based on observed cases (that is, the number of subjects who supplied data for each variable).

ISSN: 1478-6362