Table 1.

Descriptive statistics of the study sample (N = 191)

	Mean (SD)
Age (years)	50.1 (11.3)
Duration of pain (years)	6.2 (8.5)
Number of consultations	17.8 (21.3)
Actual pain intensity (0–10)	3.2 (2.2)
Average pain intensity during the last 7 days (0–10)	4.3 (2.0)
ODI (0–10)	1.6 (1.1)
PDI (0–10)	2.9 (1.8)
	N/%
Female	105/55,0%
On sick leave	26/13,6%
Days off work	12.24 (48.77)
Von Korff chronic pain grade (CPG)
– Grade 1	55/28,8%
– Grade 2	50/26,2%
– Grade 3	49/25,6%
– Grade 4	37/19,4%

ODI: Oswestry Disability Index, PDI: Pain Disability Index.