Persian version of insulin treatment satisfaction measurement; an original study

Introduction: Diabetes mellitus (DM) is a common non-communicable disease with increasing rate of incidence. All of type 1 DM and some type 2 DM patients are treated with insulin which causes an economic and social burden. Treatment satisfaction influences patient compliance and adherence.Objectives: To have an accurate and valid scale for assessment of satisfaction, we needed a valid questionnaire in Persian version.Patients and Methods: It was a cross-sectional analytic study performed in Yazd diabetes research center and a private diabetes’ clinic in Tehran in the years of 2014 to 2016. Totally 304 patients were included during the study period.Results: Cronbach’s alpha coefficients were >0.69 for all domains and acceptable. Cronbach’s alpha and intra-class correlation coefficient (ICC) for overall questionnaire were 0.88 and 0.81. Therefore the Persian version of questionnaire is valid and reliable.Conclusion: The Persian version of insulin treatment satisfaction questionnaire is a valid and reliable instrument to assess patients’ satisfaction with insulin therapy in type 2 DM. Results showed the tool is clinically and psychometrically valid instrument for insulin treatment satisfaction measurement.

Persian version of insulin treatment satisfaction measurement; an original study Keywords:

Diabetes mellitus , Insulin therapy , Treatment satisfaction , Questionnaire , Validity , Reliability