Table 7.

Factors affecting HRQoL; summary from our study and different studies.

Description of studies	Positive factors on HRQoL	Negative factors on HRQoL
Our study	Higher level of education	Female—older age—taking insulin—having both a comorbidity and complication
Norwegian study (19)	None reported	Older age—presence of complications—receiving disability pension—receiving help from others
Saudi study (23)	Higher level of education—being married—having a family history of type 2 diabetes mellitus—exercising regularly—adhering to prescribed medications	Older age—working in the medical field—uninsured status
Iranian study (24)	Higher level of education—urban resident—employed patient	Female—older age—taking insulin—history of hospitalization—presence of complication—longer duration of disease