IRCT20140604017972N13 IRCT 2018-06-19 Tehran University of Medical Sciences Effect of Education by Family and Peer on Self-Care in Diabetic Adolescents Comparison of the Effectiveness of Peer-led and Family-based Education on Self-Care in Diabetic Adolescents 2017-05-22 anticipated 180 Complete https://irct.ir/trial/16413 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Randomization description: For randomization, the classified block randomization will be used. According to the sample size of 180، 30 blocks will be produced using the online site (www.sealedenvelope.com). Then, to hide the intervention group, the type of intervention (peer-led group, family based group, control group) will be written on a sheet of paper and will be inserted into opaque and consecutively-numbered envelopes.Randomizing at the individual level. N/A Diabetes. Intervention 1: Intervention group1: Family education: in the family education group, patient accompanied will receive 6 sessions 120 minutes training. Intervention 2: Intervention group2: Education through peer:In the peer education group, 4 patients will be selected as the peer group leader.The peer group is divided into four groups, and each of these four individuals is randomly assigned to a group of 15 people.Then, with the collaboration of the peer group, the training sessions will be held for intervention groups in 6 sessions of 120 minutes. Intervention 3: Control group: receiving no educational intervention. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is The group has not decided to publish the data.