Cost-effectiveness of an intensive group training protocol compared to physiotherapy guideline care for sub-acute and chronic low back pain: design of a randomised controlled trial with an economic evaluation. [ISRCTN45641649]

Table 1 Overview of data collection

Outcome measures	Follow-up
	t = 0	t = 6	t = 13	t = 26	t = 52
Primary outcomes
Functional status (RDQ)	X	X	X	X	X
General improvement		X	X	X	X
Pain intensity	X	X	X	X	X
Work absenteeism (SF-HLQ)	X	X	X	X	X
General health (Euroqol)	X	X	X	X	X
Secondary outcomes
Fear avoidance (Tampa)	X	X	X	X	X
Coping (PCI)	X	X	X	X	X
Self-efficacy	X	X	X	X	X
Patient satisfaction		X	X	X	X
Aerobic capacity	X		X		X
Flexibility	X		X		X
Strength	X		X		X
Height	X
Weight	X		X		X
Skinfold measurements	X		X		X
Other
General (age, gender, education, back pain episodes)	X
Cost diaries	X	X	X	X	X

ISSN: 1471-2474