Table 1

The schedule of trial enrolment, interventions and assessments

PrescreenBaseline (t0)Allocation3 weeks interventionAt immediately postintervention (t1)1 month after intervention (t2)
Informed consent 
 Review study eligibility×    
 Informed consent×    
Study procedures 
 Randomisation  ×   
 Demographics ×   
 Clinical and oncologic history ×   
Intervention administration 
 ACT or UC  ×  
Efficacy evaluation
 Body Image Scale×  ××
 IMAGE‐HN × ××
 AAQ-II × ××
 SCSQ × ××
 DT × ××
Other evaluations
 Intervention fidelity  ×  
 Patient adherence  ×  

  • AAQ-II, The Acceptance and Action Questionnaire Second Edition; ACT, acceptance commitment therapy; DT, Distress Thermometer; IMAGE-HN, The Inventory to Measure and Assess imaGe disturbance-Head and Neck; SCSQ, Simplified Coping Style Questionnaire; UC, usual care.