Table 2

Outcome data

	Control			Intervention
	Baseline	3 months	12 months	Baseline	3 months	12 months
SF-6D utility by arm
Observations	107	98	95	108	100	94
Mean utility	0.62	0.73	0.74	0.66	0.77	0.79
SD	0.13	0.14	0.15	0.14	0.14	0.11
Min	0.37	0.36	0.37	0.38	0.38	0.42
Max	0.94	1	1	1	1	1
RMDQ score by arm
Observations	111	98	95	109	100	94
Mean RMDQ score	10.24	6.83	5.97	9.95	4.73	3.27
SD	5.18	5.91	5.51	4.95	4.66	4.45
Min	1	0	0	1	0	0
Max	21	23	21	21	23	22

RMDQ, Roland-Morris Disability Questionnaire.