Table 2

Mean scores (SD) on BBQ, RDQ-24, EQ-5D and absenteeism

	Mean (SD) back pain beliefs (measured by BBQ, range 9–45; higher score means more positive back pain beliefs)
	3 months follow-up	6 months follow-up	12 months follow-up
Intervention group	24.4 (5.8)	24.0 (5.9)	24.1 (5.8)
Control group	24.9 (6.2)	24.6 (6.0)	24.1 (6.3)
	Mean (SD) disability (measured by RDQ-24, range 0–24; higher score means more disability)
	3 months follow-up	6 months follow-up	12 months follow-up
Intervention group	4.4 (4.7)	3.9 (4.3)	3.9 (4.3)
Control group	5.2 (5.1)	4.8 (4.8)	4.5 (4.7)
	Mean (SD) absenteeism (self-reported number of days over past 3 months)
	3 months follow-up	6 months follow-up	12 months follow-up
Intervention group	1.2 (6.5)	0.9 (4.8)	0.7 (2.7)
Control group	2.6 (9.8)	0.7 (4.1)	0.7 (4.4)
	Mean (SD) quality of life (utility score measured by EQ-5D; range 0–1; higher score means better quality of life)
	3 months follow-up	6 months follow-up	12 months follow-up
Intervention group	0.857 (0.209)	0.904 (0.163)	0.914 (0.152)
Control group	0.824 (0.236)	0.857 (0.214)	0.866 (0.191)