en Occupational Health Original Article <p style="text-align: justify;"><span><font face="Times New Roman">&nbsp;<strong><span><font size="3"> Background: </font></span></strong>One of the factors that can improve self-concept and&nbsp;performance of staff is professional maturity. Professional maturity can&nbsp;also solve the problems of self-concept. The purpose of this paper was to identify the relationship between the dimensions of self-concept and&nbsp;professional maturity. </font></span></p> <p></p><p></p> <p style="text-align: justify;"><span><font face="Times New Roman">&nbsp;<strong><span><font size="3"> Materials and Methods: </font></span></strong>This relative applicable study was performed on all the personnel (n=2480) of Rafsanjan University of Medical Sciences, Iran, in 2013. Using Cochran&#39;s foemula, 332 individuals were selected randomly&nbsp;as the study sample. For data collection, two questionnaires, including time management and psychological health questionnaires were applied.&nbsp;Data analysis was performed using, SPSS software and Spearman&#39;s rank correlation coefficient. </font></span></p> <p></p><p></p> <p style="text-align: justify;"><span><font face="Times New Roman">&nbsp;<strong><span><font size="3"> Results:&nbsp;</font></span></strong>A statistically significant relationship was observed between professional maturity and the self-concept of the personnel. <span style="mso-spacerun: yes;"><font size="3">&nbsp;</font></span>Pearson&#39;s correlation coefficient and Spearman&#39;s rank correlation coefficient of the relationship between professional maturity and self-concept were 0.407 and 0.360, respectively. Pearson&#39;s correlation coefficient and Spearman&#39;s rank correlation coefficient of collective professional maturity were 0.372 and 0.341, respectively. The Pearson&#39;s correlation coefficient and Spearman&#39;s rank correlation coefficient of the&nbsp;individual self-concept&nbsp;were&nbsp; 0.305 and 0.298, respectively. </font></span></p> <p></p><p></p> <p style="text-align: justify;"><span><font face="Times New Roman">&nbsp;<strong><span><font size="3"> Conclusions: </font></span></strong>There was a positive relationship between professional maturity and self-concept in the personnel of Rafsanjan University of Medical Sciences. Moreover, among the three dimensions of self-concept, the relationship dimension had a greater impact on professional maturity. Considering the influencing variables, work experience has a significant relationship with professional maturity and educational level has a significant relationship with self-concept level. </font></span></p> Professional, Maturity, Self Concept, Staff 121 126 http://johe.rums.ac.ir/browse.php?a_code=A-10-99-1&slc_lang=en&sid=1 Kh Mahdavi 2240031947532846004137 2240031947532846004137 No Rafsanjan University of Medical Science, Rafsanjan, Iran. Rafsanjan University of Medical Science H Alinejad h.alinejad2012@yahoo.com 2240031947532846004138 2240031947532846004138 Yes Rafsanjan University of Medical Science, Rafsanjan, Iran. Rafsanjan University of Medical Science Z Hashemi 2240031947532846004139 2240031947532846004139 No Faculty Member, Rafsanjan University of Medical Science, Rafsanjan, Iran. Rafsanjan University of Medical Science F Ghorbani 2240031947532846004140 2240031947532846004140 No Payame Noor University, Tehran, Iran. Payame Noor University, Gh Bazmandegan 2240031947532846004141 2240031947532846004141 No Dept. of Pharmacology, Factuly of Medicin, Mashhad University of Medical Science, Mashhad, Iran. Mashhad University of Medical Science