Assessing satisfaction with pain medication in primary care patients: development and psychometric validation of a new measure.

Background: The measurement of patient satisfaction with pain medication (SPM) is a potentially useful aid for health care decision-making, but no validated measures for SPM are known.

Objective: This study aimed to develop an instrument to assess this patient-reported outcome in primary care and to evaluate whether it satisfactorily fulfilled the required psychometric properties (ie, reliability, validity, and sensitivity to change).

Methods: The measure's content was obtained from literature reviews, focus groups, and expert opinion.