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. 2022 Jun 22;12(6):e063407. doi: 10.1136/bmjopen-2022-063407

Table 1.

Overview of schedule of enrolment, interventions and assessments

Time point Description Entry Baseline Study period
Postallocation Last assessment
T-1 T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12
Enrolment                              
Eligibility screen   X                          
Informed consent Before T-1 assessments X                          
Allocation Randomisation after baseline assessments   X                        
Interventions                              
PCT+oNCRT     graphic file with name bmjopen-2022-063407ilf01.jpg                    
PCT alone     graphic file with name bmjopen-2022-063407ilf02.jpg                    
Assessments                              
Clinical interviews     X                        
 SCID-5-S DSM-5 disorders X                         X
 HAM-D Depressive symptoms X     X                   X
 Patient characteristics and psychiatric history     X                       X
Self-reports                              
 IDS-SR     X X X X X X X X X X X X X
 EPCL     X     X     X     X     X
 DAS     X     X     X     X     X
 CTQ     X                        
 TiC-P     X     X     X     X     X
 EQ-5D-5L     X     X     X     X     X
 WHODAS 2.0     X     X     X     X     X
 PANAS     X     X     X     X     X
Neuropsychological tests                              
 TOMM     X   X                    
 Wordlist Learning     X   X                    
 Place the Beads     X   X                    
 Connect the Dots I and II     X   X                    
 Digit Sequences I and II     X   X                    
 Stroop Color-Word Interference Test     X   X                    
 Computer skills     X   X                    
Adherence                              
 PCT     X X X                    
 oNCRT     X X X                    

All assessments will be conducted online. T0=baseline, T1=1 month, T2=directly post-treatment (8 weeks), T3–T11=3–11 months, T12=1 year follow-up.

CTQ, Childhood Trauma Questionnaire; DAS, Dysfunctional Attitude Scale; DSM-5, Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition; EPCL, Everyday Problem Checklist; EQ-5D-5L, 5-Level version of EuroQol-5 Dimension (EuroQol Group 5 dimensions questionnaire for health-related quality of life); HAM-D, Hamilton Depression Rating Scale; IDS-SR, Inventory of Depression Symptomatology Self-Report; oNCRT, online neurocognitive remediation therapy; PANAS, Positive and Negative Affect Scale; PCT, preventive cognitive therapy; SCID-5-S, Structured Clinical Interview for DSM-5 Disorders; TiC-P, questionnaire on healthcare utilisation and productivity losses in patients with a psychiatric disorder; TOMM, Test of Memory Malingering; WHODAS, WHO Disability Assessment Schedule.