Factor structure of Participation Behavioural Questionnaire (PBQ) in patients with hand injuries

BACKGROUND: Participation is considered a critical outcome of successful rehabilitation and should be evaluated. OBJECTIVE: We aimed to evaluate the structural validity of the Participation Behaviour Questionnaire (PBQ) in people with hand injuries. METHODOLOGY: The PBQ contains 30 items that measure participation as conceptualized in the ICF. PBQ was developed with Rasch analysis to measure participation in hand injured. A sample of 404 patients with hand injuries and a mean age of 37 (16.0) participated and was randomly split for exploratory and confirmatory factor analysis (EFA/CFA). RESULTS: Both EFA and CFA confirmed a four factor-solution. These factors were named: Social Participation and Interpersonal Relationships, Autonomy and Role, Subjective Satisfaction with Participation, Recreational, Sport, and Leisure Time. The value of Cronbach's alpha was 0.96 for the total scale and >0.85 for each subscale. CONCLUSIONS: The structural validity of the PBQ was confirmed using both EFA and CFA. The PBQ measures four dimensions of participation.