PSYCHOMETRIC EVALUATION OF THE DIABETES SELF-MANAGEMENT QUESTIONNAIRE- REVISED FORM )DSMQ-R) IN PATIENTS WITH DIABETES

The progressive nature and chronic complications of diabetes provide complex conditions that require special attention to change health behaviors, including self-management, and achieving it requires the use of valid instruments. The aim of this study was to translate and assess the psychometric properties of the diabetes self-management questionnaire- Revised form )DSMQ-R).

This psychometric evaluation of the “diabetes self-management questionnaire- Revised form” used a methodological study design. Using convenience sampling, a total of 180 patients with type 1 and type 2 diabetes from the Diabetes Association and two teaching hospitals in Urmia entered the study. The original version of the Diabetes Self-Management Questionnaire-R was translated from English to Persian language using the Backward-Forward translation method. The validity of the instrument was determined by assessing face validity, content validity, and confirmatory factor analysis. Reliability of the instrument was reported by the Alpha Cronbach coefficient. The SPSS (v. 16) and LISREL were used to analyze the data.

According to the results of confirmatory factor analysis, all of the factor loading items were significant and the 4 subscales of the original instrument were verified with acceptable scores. The internal reliability of the total scale was determined by the alpha Cronbach coefficient (0.88) and it was 0.66-0.85 for the subscales.

The results of this study indicated that the Persian version of “Diabetes Self-Management Questionnaire- Revised form” with 27 items is a valid and reliable instrument and it can be used as a reliable instrument in patients with diabetes.