Table 4. Participant-reported use of co-interventions for patellofemoral pain during the six-week trial.

	Initial Randomization		Regrouping*		Total
Additional Intervention†	3 mm Lateral Wedge (n = 14)	6 mm Medial Wedge (n = 13)	Decreased KAAI (n = 13)	Increased KAAI (n = 14)	(n = 27)
Active release therapy	0	0	0	0	0
Ice following run	0	2	1	1	2
Knee stabilizing device during run	0	0	0	0	0
Non-specific lower extremity muscle strengthening	1	2	1	2	3
Over-the-counter anti-inflammatory use	2	2	3	1	4
Physiotherapy	0	0	0	0	0
Prescription pain medication	0	0	0	0	0
Yoga	1	1	1	1	2
None	12	8	11	9	20

*subjects were regrouped based on whether they experienced increased or decreased KAAIs with their assigned footwear, regardless of wedge type

†some participants used more than one