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Table 2 Fidelity of FRESH intervention and identified moderating factors

From: Developing a method to assess fidelity to a complex vocational rehabilitation intervention in the FRESH trial: a feasibility study

Adherence OTs Moderating factors Fidelity assessment
OT A OTB OTC OT D
Coverage Participant responsiveness, intervention complexity Fidelity met in all cases
Content Participant responsiveness, facilitation strategies, intervention complexity and context Fidelity met in all cases
Duration *1 *1 *1 *1 Participant responsiveness, intervention complexity and context Fidelity met in most cases
Frequency 1 ≤ 10 days *3 *1 *3 ** Participant responsiveness, intervention complexity Fidelity met in most cases
2 1–8 weeks Facilitation strategies and context Fidelity met in all cases
3 ≤ 8 weeks Intervention complexity and context Fidelity met in all cases
4 4-8 weeks Intervention complexity and context Fidelity met in all cases
  1. —fidelity met; *—fidelity met except for n = x cases; **—missing data; timepoint 1 within 10 days of referral; timepoint 2 OT contact every 1–2 weeks, case manager 6–8 weeks; timepoint 3 on graded RTW, weekly for 4 weeks, then fortnightly for 8 weeks, then checks ≤ 8 weeks; timepoint 4 on full RTW contact is 4–8 weeks; RTW—return to work