• Kathleen B Kortte, Lori Veiel, Sonja V Batten, and Stephen T Wegener.
• Department of Physical Medicine & Rehabilitation, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Phipps 174, Baltimore, MD 21287, USA. kbechto1@jhmi.edu
• Rehabil Psychol. 2009 Feb 1;54(1):91-8.

ObjectiveTo establish psychometric properties of the Acceptance and Action Questionnaire (AAQ), a measure of avoidance, in medical rehabilitation populations.Study DesignCross-sectional and longitudinal.SettingThree acute, inpatient rehabilitation units.ParticipantsOne hundred thirty-nine adults with spinal cord dysfunction, stroke, amputation, or orthopedic surgery.MeasuresAAQ, Hope Scale, Spiritual Well-Being Scale, Positive and Negative Affect Scale, Brief Symptom Inventory, Hopkins Rehabilitation Engagement Rating Scale, Functional Independence Measure, Craig Handicap Assessment and Reporting Technique, Satisfaction with Life Scale.ResultsThe AAQ has adequate internal consistency (alpha = .70), is best understood with a two-factor solution, is positively correlated with depression (r = .36, p < .01) and negative affect (r = .41, p < .001), and is negatively correlated with hope (r = -.51, p < .001), positive affect (r = -.33, p < .001), and spiritual well-being (r = -.32, p < .001). Predictive relationships with life satisfaction (beta = -.40, p < .001) and level of handicap (beta = -.20, p < .014) were found at 3-month follow-up.ConclusionsFindings provide preliminary support that the AAQ is reliable and valid in medical populations and that avoidance plays an important role in rehabilitation outcomes.

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