study of mdd epidemiology in students of middle school (11-16 yrs. old) of esfahan city in 2007-8

abstract aim and background: today depression is more common disorder in all of world. depression present in all ages & all races in both men & women. studies show depression has increased prevalence in adolescent. some researchers believe mdd (that influence function) under diagnosed & treatment in adolescent. more researches are needed to understand mdd prevalence in adolescent.we studied mdd prevalence in adolescent in students of middle school in this research. methods and materials: this descriptive study was done on 1606 pupil of 11-16 old ages boys & girls of middle school of esfahan city by cluster sampling .cdi questionnaire was done for all of them.(cut off =19) findings: the mine of number of all pupil was 13.46 & standard deviation was 7.32.over all 353pupil (22 percent) has mdd .prevalence rate mdd in girls pupil (24.2 percent) were more than boys (19.8 percent) significantly (p<0.05). conclusions: this study was showed prevalence of mdd in adolescents of esfahan is a few above some other area of world.