Table 4.

Secondary outcomes (n = 13)

	At baseline	At follow-up	Variation
Lumbar pain (0–10), mean (SD)a	5.3 (2)	3.7 (2.1)	1.6 (2.3)
Radicular pain (0–10), mean (SD)a	1.4 (2.7)	2.7 (2.2)	1.2 (2.8)
ODI (0–100), mean (SD)	Not applicable	33.5 (15.6)	Not applicable
PHQ-2 (0–6), mean (SD)	Not applicable	2.2 (2)	Not applicable
QUEST (0–60), mean (SD)	Not applicable	4.2 (0.5)	Not applicable

ODI Oswestry disability index; PHQ-2 patient health questionnaire-2; QUEST Quebec user evaluation of satisfaction with assistive technology;

^a5 missing data