Glycemic control and associated factors among type 2 diabetes mellitus patients: a cross-sectional study of Azar cohort population.

"Declarations Ethics approval and consent to participateThe Ethics Committee of Tabriz University of Medical Sciences approved our study protocol (IR.TBZMED.REC.1400.621). All methods were carried out in accordance with the Declaration of Helsinki guidelines. All participants were informed of the study procedure and signed a written informed consent and for all illiterate participants informed consent was obtained from their legal guardian. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study was supported by the liver and gastrointestinal diseases research center (Grant number: 700/108 on 14 March 2016), Tabriz University of Medical Sciences, Tabriz, Iran. The Iranian Ministry of Health and Medical Education has contributed to the funding used in the PERSIAN Cohort through Grant no. 700/534”. The funder had no role on the study design, data analysis, interpreting and writing the manuscript in this study."

"This cross-sectional study was conducted based on the Azar Cohort Study, which is a part of the Prospective Epidemiological Research Studies in Iran (PERSIAN) cohort []. The Azar Cohort study is explained in detail in the published cohort profile article []. The protocol of this study was registered the Research Vice Chancellor of Tabriz University of Medical Sciences, Tabriz, Iran and was approved by the Ethics Committee of Tabriz University of Medical Sciences (IR.TBZMED.REC.1400.621)."