Table 5.

Number of patients (%) in STarT Back subgroups at baseline and follow-up for all trial arms

Arm	Baseline			Follow-up
	Low risk	Medium risk	High risk	Low risk	Medium risk	High risk
Usual care alone	15 (51.7%)	11 (37.9%)	3 (10.3%)	11 (47.8%)	10 (43.5%)	2 (8.7%)
Internet intervention plus usual care	17 (60.7%)	8 (28.6%)	3 (10.7%)	12 (70.6%)	3 (17.7%)	2 (11.8%)
Internet intervention plus physiotherapist support	9 (33.3%)	15 (55.6%)	3 (11.1%)	14 (73.7%)	5 (11.8%)	0