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Table 2 Secondary outcomes self-reported by patient or oncologist

From: A randomized controlled trial of a skills training for oncologists and a communication aid for patients to stimulate shared decision making about palliative systemic treatment (CHOICE): study protocol

Concept Instrument Patient Oncologist
   T0 T1 T2 T3 T4 T0 T1 T2
Perceived communication efficacy Purpose designed   x       
Evaluation of communication and decision making in consultation
 Satisfaction with communication PSQ with one extra item on SDM    x    xa xa x
 Perceived oncologist empathy Purpose designed items    x      
  Purpose designed VAS    x      x
 Preferred/perceived decisional role CPS   x x      
 Patient-reported SDM SDMQ-9    x      
 Decision evaluation DCS    x      
 Trust in the oncologist Two items from TiOS    x      
Distal outcomes
 Attitudes towards striving for quantity (length) or quality of life QQQ    x x x    
 Quality of life EORTC-QLQ C30 x    x x    
Potentially adverse outcomes
 Anxiety STAI x   x x x    
  + 1-item VAS scale x x x x x    
 Fighting spirit Mini-MAC subscale x   x x x    
 Helplessness/Hopelessness MAC subscale x   x x x    
Use and evaluation of communication aid
 Use of the communication aid Purpose designed     xb xb    
 Evaluation of the communication aid Purpose designed    xb xb xb    
  1. PSQ Patient Satisfaction Questionnaire, CPS Control Preferences Scale, SDMQ-9 Shared Decision Making Queationnaire −9 items, DCS Decisional Confict Scale, TiOS Trust in Oncologist Scale, QQQ Quantity Quality Questionnaire, EORTC-QoL-C30 European Organization of Research and Treatment of Cancer Quality of Life Questionnaire, STAI Spielberger State and Trait Anxiety Inventory, MINI-MAC Mini Mental Adjustment to Cancer scale, MAC Mental Adjustment to Cancer scale. a Satisfaction with communication in simulated encounter. b For patients randomized to receive the communication aid only