Reliability and Validity of the Turkish Version of the Revised American Pain Society Patient Outcome Questionnaire in Postoperative Patients

BACKGROUND/AIMS The aim of the present study was to evaluate the psychometric properties of the Turkish version of the Revised American Pain Society Patient Outcome Questionnaire (APS-POQ-R) in postoperative patients. MATERIAL and METHODS A descriplive, cross-sectional psychometric sludy design was used to examine the psychometrics of the Turkish APS-POQ-R among a convenience sample of 218 adult postoperative patients treated by five surgical departments in Iwo hospitals. The 23-item English version of the questionnaire was translated into Turkish according to international guidelines. For the questionnaire, construct validity was analyzed with confirmatory factor analyses and known group validity. Cronboch's alpha was used to examine the questionnaire internal consistency reliability. RESULTS The Cronboch's alpha of the questionnaire was .91. Cronbach's alpha coefficients for the subscales were pain severity and sleep interference .8Z activity interference .92, affective .95, adverse effects .91, and perception of pain care .50. CONCLUSION The Turkish APS-POQ-R was found to have confirmatory factor structure and internal validity and construct reliability similar to the original instrument. The questionnaire appears to be useful to evaluate the qualify of pain management in postoperative patients and can be used lo guide the implementation of nursing interventions. Further investigation is warranted on the perceptions of care subscale.