en تخصصي Special پژوهشي Research <span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Objective:</span></span></span></b><b> </b><span style="font-size:10.5pt"><span new="" roman="" style="font-family:" times="">The parent-child relationship and the daily blood sugar control by adolescents can affect family functioning. This study aimed to evaluate the effectiveness of unified trans-diagnostic treatment protocols on parent-child interaction and blood sugar levels in adolescents with type 1 diabetes.</span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">Materials and Methods</span></span></span></b><b><span style="font-size:12.0pt"><span new="" roman="" style="font-family:" times=""><span style="color:black">:</span></span></span></b> <span lang="X-NONE" style="font-size:10.5pt"><span new="" roman="" style="font-family:" times="">The present study was quasi-experimental with a pretest and posttest design and a control group. The statistical population of the study included all adolescents aged 12-15 years with type 1 diabetes referred to the Iranian Diabetes Society and their parents in 2020. Out of this population, 44 were selected using the convenience judgmental sampling method and randomly divided into two groups (n=</span></span> <span lang="X-NONE" style="font-size:10.5pt"><span new="" roman="" style="font-family:" times="">22). The Child-Parent Relationship Scale (CPRS) was used to investigate the parent-child interaction, and hemoglobin pre-and post-program tests were used to assess blood sugar. Adolescents and parents in the experimental group received the program during 17 sessions. Data were analyzed using </span></span><span style="font-size:10.5pt"><span new="" roman="" style="font-family:" times="">the </span></span><span lang="X-NONE" style="font-size:10.5pt"><span new="" roman="" style="font-family:" times="">analysis of covariance. Statistical analyses were performed by SPSS software version 22.<i></i></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span sans-serif="" style="font-family:Calibri,"><b><span lang="EN" style="font-size:12.0pt"><span new="" roman="" style="font-family:" times="">Results:</span></span></b> <span lang="X-NONE" style="font-size:10.5pt"><span new="" roman="" style="font-family:" times="">The means of corrected post-test scores</span></span><span style="font-size:10.5pt"><span new="" roman="" style="font-family:" times=""> of the Child-Parent Relationship Scale and hemoglobin A1c</span></span> <span style="font-size:10.5pt"><span new="" roman="" style="font-family:" times="">tests </span></span><span lang="X-NONE" style="font-size:10.5pt"><span new="" roman="" style="font-family:" times="">were significantly different in the experimental and control groups (<i>P</i>=</span></span><span style="font-size:10.5pt"><span new="" roman="" style="font-family:" times=""> 0.001).</span></span><i><span lang="X-NONE" style="font-size:10.5pt"><span style="font-family:"Times New Roman","serif""></span></span></i></span></span></span><br> <b><span style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">Conclusion</span></span></span></span></b><b><span style="font-size:12.0pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="color:black">:</span></span></span></span></b> <span lang="X-NONE" style="font-size:10.5pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">The unified trans</span></span></span><span style="font-size:10.5pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">-</span></span></span><span lang="X-NONE" style="font-size:10.5pt"><span style="line-height:115%"><span new="" roman="" style="font-family:" times="">diagnostic treatment protocols affect parent-child interaction and blood sugar levels in adolescents with type 1 diabetes. It is possible to use this program to educate adolescents with diabetes and their families and preventive interventions.</span></span></span> Blood sugar, Diabetes type 1, Parent-child interaction, Unified trans-diagnostic treatment protocols 159 166 http://ijdo.ssu.ac.ir/browse.php?a_code=A-10-30-354&slc_lang=en&sid=1 Yasaman Shahriari 0000-0002-4264-2197 No Ph.D. Candidate, Department of Psychology and Education of Exceptional Children, Science and Research Branch, Islamic Azad University, Tehran, Iran Sogand Ghasemzadeh 0000-0003-0897-1568 Yes Ph.D.Assistant Professor, Department of Psychology, Faculty of Psychology and Education, University of Tehran, Tehran, Iran. Leila Kashani Vahid 0000-0002-5070-5186 No Ph.D. Assistant Professor, Department of Psychology and Education of Exceptional Children, Science and Research Branch, Islamic Azad University, Tehran, Iran. Samira Vakili 0000-0002-7373-8992 No Ph.D. Assistant Professor, Department of Psychology and Education of Exceptional Children, Science and Research Branch, Islamic Azad University, Tehran, Iran.