Frequency of psychological disorders symptoms and their effects on high school students in Divandareh city in 2018

Introduction: Psychological disorders are defined as emotional, individual and behavioral disorders such as aggression, which certainly has many negative consequences. Aim: Determine the prevalence of psychological disorders symptoms and their effect on high school students in Divandareh city in 2018. Method: This is a cross-sectional study. All high-school students (16-18 year) residing Divandareh city, Kurdistan, Iran, in 2018 were included in the study. Stratified sampling was selected and according to Cochran formula, the sample size was 386. Data were collected using the standard questionnaire of psychological disorder symptoms (SCL-25) and Pittsburgh sleep quality questionnaire. Descriptive statistics used for descriptive results and analytical results were analyzed by Chi-square, Fisher test and Mann-Whitney test. Results: 370 students were included in this study, which 107 (28%) of them, had low psychological disorders, 204 (55%) had moderate psychological disorders and 59 (17%) had high psychological disorders. On the other hand, only 76 (20.5%) students had favorable sleep quality. According to the results of this study, there was a significant relationship between sleep quality and gender (P=0.011) and grade (P