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Table 1 Measures administered at each assessment interval

From: Improving adherence to an online intervention for low mood with a virtual coach: study protocol of a pilot randomized controlled trial

Questionnaire Aim Enrollment (T−1) Allocation (T0) Post-study (T1)
Mental health
 PHQ-9 Screener X   
 HADS-D Mental health   X X
 SUS System usability    X
 CSQ-I User satisfaction    X
 Study completion Reasons for non-adherence    X
 SMFL Current use   X X
 Continued use Continued use    X
Coach acceptance
 WAI-SR* Relationship    X
 Acceptance* Acceptance    X
  1. *Applies to the intervention group only