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Table 3 Primary and secondary outcome measures acrossbaseline, post-treatment and follow-up

From: Prevention of the development of psychological distress following a motor vehicle crash: study protocol for a randomized controlled trial

Measure Primary Secondary Baseline 3 months 6 and 12 months
Demographics
 Sex, age, weight, height   × ×   
 Marital status   × ×   
 Highest level of education   × ×   
Motor vehicle crash history
 Motor vehicle crash date   × ×   
 Driver or passenger   × ×   
 Perception of danger during motor vehicle crash   × ×   
 Hospital admission: yes or no   × ×   
 Days spent in hospital   × ×   
 Involvement of lawyer   ×   ×  
 Referral to psychologist or psychiatrist   ×   ×  
 Satisfaction with claims process: 3-point Likert scale   ×    ×
 Claim finalization: yes or no   ×    ×
Employment
 Pre-motor vehicle crash employment: part-time, full-time, pensioner   × ×   
 Modified hours since motor vehicle crash: yes or no   × × × ×
 Returned to work: yes or no   × × × ×
 Expectation of return to work: 11-point Likert scale   × × × ×
 Reason for non-return to work   × × × ×
 Number of days after motor vehicle crash for return to work   × × × ×
Social life
 Returned to activities after motor vehicle crash: yes or no   × × × ×
 Expectation of return to pre-motor vehicle crash activities: 11-point Likert scale   × × × ×
 Pre-motor vehicle crash social activity quality   × × × ×
 Satisfaction of pre-motor vehicle crash social supports: 11-point Likert scale   × × × ×
 Satisfaction of pre-motor vehicle crash social engagements   × × × ×
 Expectation of return to pre-motor vehicle crash activities: 11-point Likert scale   × × × ×
 Pre-motor vehicle crash relationship quality: 5-point Likert scale   × × × ×
Lifestyle habits
 Alcohol: Alcohol Use Disorders Identification Test ×   × × ×
 Smoker: yes, no, amount per day   × × × ×
Health
 Health Status: SF-12   × × × ×
 Psychology or psychiatric history: yes or no   × × × ×
 Mood medication history: yes or no   × × × ×
 Motor vehicle crash self-blame: 11-point Likert scale   × × × ×
 Motor vehicle crash others-blame: 11-point Likert scale   × × × ×
 Motor vehicle crash: perception of risk of own death: 11-point Likert scale   × × × ×
 Coping capacity: The COPE   × × × ×
 Pain: 11-point Likert scale   × × × ×
 Pain catastrophizing: Pain Catastrophizing Scale   × × × ×
 Impact of motor vehicle crash: Impact of Event Scale   × × × ×
 Mood: Depression Anxiety Stress Scale 21 ×   × × ×
 Resilience: Connor–Davidson Resilience Scale   × × × ×
 Mood states: Profile of Mood States ×   × × ×
Diagnostic and Statistical Manual of Mental Disorders Mini Plus Scores ×   × × ×
  Depression ×   × × ×
  Anxiety ×   × × ×
  Panic ×   × × ×
  Specific phobias ×   × × ×
  Post-traumatic stress disorder ×   × × ×
  Suicidal thoughts: yes or no ×   × × ×