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Table 3 Fidelity score calculation for the 26-week intervention period

From: Process evaluation of a tailored mobile health intervention aiming to reduce fatigue in airline pilots

Component Weight factor Weeks delivered as intended Fidelity score
App Access 15 % 16 62 %
Backend 15 % 25 96 %
Advice 40 % 19 73 %
Reminders 15 % 0 0 %
Website Access 15 % 25 96 %
Total fidelity score 67 %