Nightmare frequency and psychopathological problems in a large sample of Chinese adolescents.

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Nightmares are common, especially in pediatric populations and psychiatric patients. Nightmares are associated with daytime distress and negative health outcomes. The data on the prevalence and psychopathological profiles of nightmares in Chinese adolescents are limited. This study examined age and gender differences in nightmare frequency and associated psychopathological problems in a large sample of Chinese adolescents. A total of 11,831 adolescent students (mean age = 14.9, 12-18years) participated in the baseline survey of Shandong Adolescent Behavior and Health Cohort. Participants completed a self-administered questionnaire to report their nightmare frequency, trait anger, hopelessness, and multiple domains of behavioral/emotional problems. Univariate and multivariate analyses were performed to examine psychopathological problems in relation to nightmare frequency. Of the sample, 45.2% reported having nightmares at least once in the past month and 7.9% at least once/week. Girls reported more frequent nightmares than boys. Nightmare frequency significantly declined with age for both boys and girls. Mean scores on trait anger, hopelessness, attention, internalizing problems, and externalizing problems significantly increased with nightmare frequency. Frequent nightmares (at least once/week) were significantly associated with 2-4-fold increased likelihood of behavioral/emotional problems after adjusting for adolescent and family covariates. Nightmares are prevalent in Chinese adolescents. Frequent nightmares are associated with multiple domains of psychopathological problems. Assessment and intervention of frequent nightmares should be incorporated into routine clinical practice and mental health services in adolescents.