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Factor structure of Participation Behavioural Questionnaire (PBQ) in patients with hand injuries
Maryam Farzad1,2,3, Joy MacDermid4,5,6, Mehdi Rassafiani7,8
1School of Physical Therapy, Department of Health and Rehabilitation Sciences, University of Western Ontario, Ontario, Canada.
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.
