Problematic internet use and sleep quality in adolescents with major depressive disorder
Abstract
ABSTRACT This study aims to compare adolescents newly diagnosed with major depressive disorder (MDD) and healthy controls in terms of problematic internet use (PIU) and sleep quality. The study sample consisted of 50 newly diagnosed MDD patients aged 12–18 years and 50 healthy controls. Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime Version (K-SADS-PL) was administered to all cases by a child psychiatrist and sociodemographic data were collected. Children’s Depression Inventory (CDI), Pittsburgh Sleep Quality Index (PSQI), and Internet Addiction Test (IAT) were administered to all participants. Data of the MDD and control groups were compared using Student’s t-test or Mann-Whitney U test and the total scores of the IAT (z = −6.23, p < 0.001) and PSQI (t =–11.42, p < 0.001) scales were found to be significantly higher in MDD cases compared to the control group. The results of analysis of covariance demonstrated that there was a significant positive correlation between CDI and IAT, as well as CDI and PSQI total scores in patients with MDD. While no correlation was observed between the total scores of the IAT and PSQI scales in the MDD group, a significant positive correlation was found between the total scores of the IAT and PSQI scales in the healthy control group. Furthermore, there was a significant difference between the PSQI habitual sleep efficiency subscale score and the IAT total score (r = 0.36, p = 0.009), and the IAT…
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