Background and purpose: Given the rapid development and widespread use of mobile phones and their various effects on
interactions and communications, it is important to study the negative effects of mobile phones on users’ health. The aim of this
study was to determine the prevalence of mobile phone addiction and its relationship with sleep quality and social anxiety among
high school students in Divandareh city in 2018.
Methods: This study is a cross-sectional study. The statistical population included all high school students (16-18 years) in
Divandareh city (Kurdistan-Iran province) in 2018. Sampling method was stratified and the sample size was estimated to be 386
according to Cochran formula. The instruments of this study included mobile phone addiction questionnaire, Pittsburgh Sleep
Quality Questionnaire, and puklek Adolescent Social Anxiety Questionnaire. Descriptive statistics were analyzed using descriptive
statistics and Chi-square, Fisher and Mann-Whitney tests.
Results: 370 students responded to the questionnaires. Their average and standard deviation of age were 037/0 ± 8/16. On
average, 36% of students had moderate to severe cellphone addiction. Also, there was a significant relationship between mobile
phone addiction with sleep quality (P=0.045), gender (P=0.004) and educational status (P=0.017). But there was no statistically
significant relationship between mobile phone addiction and social anxiety (P=0.549) and family economic status (P=0.13).
Conclusion: Given the significant prevalence of mobile phone addiction in students and its significant relationship with sleep
quality, educational status, planning for interventional measures to prevent injury to adolescents increasingly dealing with cell
phones, it seems.
Keywords: Mobile Phone Addiction; Sleep Quality; Social Anxiety; Students