Table 3

Co-interventions reported at 12 weeks follow-up

Intervention12 weeks
Custom-made insole (n, %) (n=66)*Sham insole (n, %) (n=68)*Usual care (n, %) (n=39)*P value
Consulted with healthcare practitioner†
 General practitioner18 (27.3)16 (23.5)18 (46.2)0.04
 Specialist1 (1.5)3 (4.4)0.30
 Physiotherapist6 (9.1)7 (10.3)5 (12.8)0.83
 Other healthcare provider (ex. acupuncturist)1 (1.5)2 (1.5)0.53
Interventions
 Pain medication18 (27.3)21 (30.9)15 (38.5)0.49
 Exercises42 (63.6)45 (66.2)21 (53.8)0.43
 Shockwave2 (2.9)2 (5.1)0.22
 Dry needling1 (1.5)2 (2.9)0.53
 Massage/manipulation4 (6.1)2 (5.1)0.13
 Other biomechanical interventions‡15 (22.7)9 (13.2)16 (41.0)<0.001
 Shoe advice11 (16.7)7 (10.3)7 (17.9)0.44
 Corticosteroid injection6 (15.4)<0.001
  • *The N is given for the number of patients that has completed the part of the questionnaire regarding co-interventions. Values are numbers (percentages) unless stated otherwise

  • †Contacts do not include those as part of trial interventions or those mentioned as cross-over in the flowchart.

  • ‡Other biomechanical interventions included prefabricated insoles, heel cups, night splints or Strasbourg socks, supportive stockings or tape.