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Table 1 Variables measured during each assessment

From: Generalization of fear of movement-related pain and avoidance behavior as predictors of work resumption after back surgery: a study protocol for a prospective study (WABS)

  Pre-surgery Immediately after surgery 6 weeks post-surgery 3 months post-surgery 6 months post-surgery 12 months post-surgery
Outcome variables       
Self-reported work resumption   
Self-reported pain severity
Self-reported disability
Self-reported quality of life
Predictor variable       
Self-reported fear of movement-related pain     
Self-reported avoidance behavior     
Generalization of fear of movement-related pain and avoidance behavior (assessed using the computer task)      
Self-reported predictors of long-term disability and failure to return to work (yellow flags)     
Self-reported expectancies towards recovery and work resumption     
Potential confounding variables       
Demographic factors
 - Age
 - Sex
 - Relationship status
 - Highest grade or level of education completed
 - Duration of incapacity from work
- Work characteristics (e.g. employment status and rate)  
Self-reported work-specific characteristics
 - Emotional workload
 - Mental workload
 - Physical effort
 - Relationship with supervisor
 - Relationship with colleagues
 - Work pleasure
 - Career opportunities
 - Organizational commitment
 - Changing jobs
Surgery variables (complications during and after surgery)       
Potential influence of COVID-19
 - Presence of symptoms
 - Concerns about health
 - Physical inactivity
Potential moderator variables       
Self-reported intolerance of uncertainty     
Self-reported optimism