Co-interventions reported at 12 weeks follow-up
| Intervention | 12 weeks | |||
| Custom-made insole (n, %) (n=66)* | Sham insole (n, %) (n=68)* | Usual care (n, %) (n=39)* | P value | |
| Consulted with healthcare practitioner† | ||||
| General practitioner | 18 (27.3) | 16 (23.5) | 18 (46.2) | 0.04 |
| Specialist | 1 (1.5) | 3 (4.4) | – | 0.30 |
| Physiotherapist | 6 (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 medication | 18 (27.3) | 21 (30.9) | 15 (38.5) | 0.49 |
| Exercises | 42 (63.6) | 45 (66.2) | 21 (53.8) | 0.43 |
| Shockwave | – | 2 (2.9) | 2 (5.1) | 0.22 |
| Dry needling | 1 (1.5) | 2 (2.9) | – | 0.53 |
| Massage/manipulation | 4 (6.1) | – | 2 (5.1) | 0.13 |
| Other biomechanical interventions‡ | 15 (22.7) | 9 (13.2) | 16 (41.0) | <0.001 |
| Shoe advice | 11 (16.7) | 7 (10.3) | 7 (17.9) | 0.44 |
| Corticosteroid injection | – | – | 6 (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.