title: Characteristics of excessive cellular phone use in Korean adolescents.
abstract: Abstract The objective of this study was to evaluate the possible psychological problems related to excessive cellular phone use in adolescents. Results from 595 participants showed that the potentially excessive user group had a tendency to identify themselves with their cellular phones and to have difficulties in controlling usage. They expressed more depressive symptoms, higher interpersonal anxiety, and lower self-esteem. A positive correlation was also observed between excessive cellular phone use and Internet addiction.
authors.affiliation: Department of Psychiatry, School of Medicine, Konkuk University, Gwangjin ku, Seoul, Republic of Korea.
authors.forename: Jee Hyun
authors.initials: JH
authors.lastname: Ha
authors.forename: Bumsu
authors.initials: B
authors.lastname: Chin
authors.forename: Doo-Heum
authors.initials: DH
authors.lastname: Park
authors.forename: Seung-Ho
authors.initials: SH
authors.lastname: Ryu
authors.forename: Jaehak
authors.initials: J
authors.lastname: Yu
mesh_terms: D000293:Adolescent; D000328:Adult; D044466:Asian People / Q000706:statistics & numerical data*; D040421:Cell Phone / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D007723:Korea / Q000453:epidemiology; D008297:Male