Table 1.

Patient characteristics at baseline (n=2,030)

Age, years (SD)	66.5 (11.2)
Male/female, %	28/72
Body-mass index, kg/m2 (SD)	26.3 (5.6)
Working/retired/no occupation, %	30/65/5
Comorbidities (yes/no), %	60/40
Medications for comorbidities (yes/no), %	62/38
Current treatments for osteoarthritis
Analgesics	77%
Nonsteroidal anti-inflammatory drugs	48%
Viscosupplementation	33%
Intra-articular steroid injection	23%
Physiotherapy	31%
Orthostic	8%
Acupuncture	2%
Spa therapy	7%
Osteoarthritic joints
Knee	66%
Hip	18%
Spine	42%
Hand	33%
Shoulder	9%
Foot	2%
Other	3%
Pain score at rest, 0–10 (SD)	3.6 (2.3)
Pain score on exercise, 0–10 (SD)	6.4 (1.7)