Statista. Number of smartphone users worldwide from 2014 to 2020 (in billions). 2019. https://www.statista.com/statistics/330695/number-of-smartphone-users-worldwide/. Accessed 25 Apr 2019.
Demirci K, Orhan H, Demirdas A, Akpinar A, Sert H. Validity and reliability of the Turkish version of the Smartphone addiction scale in a younger population. Klinik Psikofarmakol Bulteni. 2014;24(3):226–34.
Elhai JD, Dvorak RD, Levine JC, Hall BJ. Problematic smartphone use: A conceptual overview and systematic review of relations with anxiety and depression psychopathology. J Affect Disord. 2017;207:251–9.
Van Deursen AJ, Bolle CL, Hegner SM, Kommers PA. Modeling habitual and addictive smartphone behavior: The role of smartphone usage types, emotional intelligence, social stress, self-regulation, age, and gender. Comput Human Behav. 2015;45:411–20.
Lee H, Seo MJ, Choi TY. The effect of home-based daily journal writing in Korean adolescents with smartphone addiction. J Korean Med Sci. 2016;31(5):764–9.
Panova T, Carbonell X. Is smartphone addiction really an addiction? J Behav Addict. 2018;7(2):252–9.
Panova T, Lleras A. Avoidance or boredom: Negative mental health outcomes associated with use of information and communication technologies depend on users’ motivations. Comput Human Behav. 2016;58:249–58.
Kee IK, Byun JS, Jung JK, Choi JK. The presence of altered craniocervical posture and mobility in smartphone-addicted teenagers with temporomandibular disorders. J Phys Ther Sci. 2016;28(2):339–46.
Cha SS, Seo BK. Smartphone use and smartphone addiction in middle school students in Korea: Prevalence, social networking service, and game use. Health Psychol Open. 2018; https://doi.org/10.1177/2055102918755046.
Kwon M, Kim DJ, Cho H, Yang S. The smartphone addiction scale: Development and validation of a short version for adolescents. PLoS ONE. 2013;8(12):e83558.
American Psychiatric Association. Diagnostic and statistical manual of mental disorders (DSM-5®). Arlington: APA; 2013.
World Health Organization. ICD-11 for Mortality and Morbidity Statistics. Version:04/2019. 2019. icd.who.int/browse11/. Accessed 13 May 2019.
Bae SM. The relationship between the type of smartphone use and smartphone dependence of Korean adolescents: National survey study. Child Youth Serv Rev. 2017;81:207–11.
Billieux J, Philippot P, Schmid C, Maurage P, De Mol J, Van der Linden M. Is dysfunctional use of the mobile phone a behavioural addiction? Confronting symptom-based versus process-based approaches. Clin Psychol Psychother. 2015;22(5):460–8.
Yen CF, Tang TC, Yen JY, Lin HC, Huang CF, Liu SC, et al. Symptoms of problematic cellular phone use, functional impairment and its association with depression among adolescents in Southern Taiwan. J Adolesc. 2009;32(4):863–73.
Foerster M, Roser K, Schoeni A, Röösli M. Problematic mobile phone use in adolescents: Derivation of a short scale MPPUS-10. Int J Public Health. 2015;60(2):277–86.
Lopez-Fernandez O. Problem mobile phone use in Spanish and British adolescents: First steps towards a cross-cultural research in Europe. In: Riva G, Wiederhold BK, Cipresso P, editors. Identity and relationships in online communities. The psychology of social networking, Vol. 2. Warsaw: De Gruyter; 2015. pp. 186–201. https://doi.org/10.1515/9783110473858.
Sánchez-Martínez M, Otero A. Factors associated with cell phone use in adolescents in the community of Madrid (Spain). Cyberpsychol Behav. 2009;12(2):131–7.
Soni R, Upadhyay R, Jain M. Prevalence of smart phone addiction, sleep quality and associated behaviour problems in adolescents. Int J Res Med Sci. 2017;5(2):515–9.
Davey S, Davey A. Assessment of smartphone addiction in Indian adolescents: A mixed method study by systematic-review and meta-analysis approach. Int J Prev Med. 2014;5(12):1500.
Lee H, Kim JW, Choi TY. Risk factors for smartphone addiction in Korean adolescents: Smartphone use patterns. J Korean Med Sci. 2017;32(10):1674–9.
Chambers RA, Taylor JR, Potenza MN. Developmental neurocircuitry of motivation in adolescence: A critical period of addiction vulnerability. Am J Psychiat. 2003;160(6):1041–52.
Hussain Z, Griffiths MD, Sheffield D. An investigation into problematic smartphone use: The role of narcissism, anxiety, and personality factors. J Behav Addict. 2017;6(3):378–86.
Park C, Park YR. The conceptual model on smart phone addiction among early childhood. Int J Soc Sci Humanit. 2014;4(2):147.
Walsh SP, White KM, Cox S, Young RM. Keeping in constant touch: The predictors of young Australians’ mobile phone involvement. Comput Human Behav. 2011;27(1):333–42.
Ihm J. Social implications of children’s smartphone addiction: The role of support networks and social engagement. J Behav Addict. 2018;7(2):473–81.
Cocoradă E, Maican CI, Cazan AM, Maican MA. Assessing the smartphone addiction risk and its associations with personality traits among adolescents. Child Youth Serv Rev. 2018;93:345–54.
De Pasquale C, Sciacca F, Hichy Z. Smartphone addiction and dissociative experience: An investigation in Italian adolescents aged between 14 and 19 years. Int J Psychol Behav Anal. 2015;1:109.
Kwon M, Lee JY, Won WY, Park JW, Min JA, Hahn C, et al. Development and validation of a smartphone addiction scale (SAS). PLoS ONE. 2013;8(2):e56936.
Kim D, Lee Y, Lee J, Nam JK, Chung Y. Development of Korean smartphone addiction proneness scale for youth. PLoS ONE. 2014;9(5):e97920.
Randler C, Wolfgang L, Matt K, Demirhan E, Horzum MB, Beşoluk Ş. Smartphone addiction proneness in relation to sleep and morningness–eveningness in German adolescents. J Behav Addict. 2016;5(3):465–73.
Lopez-Fernandez O, Honrubia-Serrano M, Freixa-Blanxart M. Spanish adaptation of the “Mobile Phone Problem Use Scale” for adolescent population. Adicciones. 2012;24(2):123–30.
Young KS. Internet addiction: The emergence of a new clinical disorder. Cyberpsychol Behav. 1998;1(3):237–44.
Ayar D, Bektas M, Bektas I, Kudubes AA, Ok YS, Altan SS, et al. The effect of adolescents’ internet addiction on smartphone addiction. J Addict Nurs. 2017;28(4):210–4.
Bae SM. The relationships between perceived parenting style, learning motivation, friendship satisfaction, and the addictive use of smartphones with elementary school students of South Korea: Using multivariate latent growth modeling. Sch Psychol Int. 2015;36(5):513–31.
Chóliz M. Mobile-phone addiction in adolescence: The test of mobile phone dependence (TMD). Prog Health Sci. 2012;2(1):33–45.
Emirtekin E, Balta S, Sural İ, Kircaburun K, Griffiths MD, Billieux J. The role of childhood emotional maltreatment and body image dissatisfaction in problematic smartphone use among adolescents. Psychiatry Res. 2019;271:634–9.
Firat S, Gül H. The relationship between problematic Smartphone use and psychiatric symptoms among adolescents who applied to psychiatry clinics. Psychiatry Res. 2018; https://doi.org/10.1016/j.psychres.2018.09.015.
Gallimberti L, Buja A, Chindamo S, Terraneo A, Marini E, Rabensteiner A, et al. Problematic cell phone use for text messaging and substance abuse in early adolescence (11- to 13-year-olds). Eur J Pediatr. 2016;175(3):355–64.
Güzeller CO, Coşguner T. Development of a problematic mobile phone use scale for Turkish adolescents. Cyberpsychol Behav Soc Netw. 2012;15(4):205–11.
Ha JH, Chin B, Park DH, Ryu SH, Yu J. Characteristics of excessive cellular phone use in Korean adolescents. Cyberpsychol Behav. 2008;11(6):783–4.
Haug S, Castro RP, Kwon M, Filler A, Kowatsch T, Schaub MP. Smartphone use and smartphone addiction among young people in Switzerland. J Behav Addict. 2015;4(4):299–307.
Jeong SH, Kim H, Yum JY, Hwang Y. What type of content are smartphone users addicted to? SNS vs. games. Comput Human Behav. 2016;54:10–7.
Kim HJ, Min JY, Min KB, Lee TJ, Yoo S. Relationship among family environment, self-control, friendship quality, and adolescents’ smartphone addiction in South Korea: Findings from nationwide data. PLoS ONE. 2018;13(2):e190896.
Kwak JY, Kim JY, Yoon YW. Effect of parental neglect on smartphone addiction in adolescents in South Korea. Child Abuse Negl. 2018;77:75–84.
Lee SJ, Lee C, Lee C. Smartphone addiction and application usage in Korean adolescents: Effects of mediation strategies. Soc Behav Pers. 2016;44(9):1525–34.
Lee C, Lee SJ. Prevalence and predictors of smartphone addiction proneness among Korean adolescents. Child Youth Serv Rev. 2017;77(C):10–7.
Lee EJ, Ogbolu Y. Does parental control work with Smartphone addiction? A cross-sectional study of children in South Korea. J Addict Nurs. 2018;29(2):128–38.
Lee J, Sung MJ, Song SH, Lee YM, Lee JJ, Cho SM, et al. Psychological factors associated with smartphone addiction in south korean adolescents. J Early Adolesc. 2016;38(3):288–302.
Liu CH, Lin SH, Pan YC, Lin YH. Smartphone gaming and frequent use pattern associated with smartphone addiction. Medicine (Baltimore). 2016;95(28):e4068. https://doi.org/10.1097/MD.0000000000004068.
Lopez-Fernandez O, Honrubia-Serrano L, Freixa-Blanxart M, Gibson W. Prevalence of problematic mobile phone use in British adolescents. Cyberpsychol Behav Soc Netw. 2014;17(2):91–8.
Lopez-Fernández O, Losada-López JL, Honrubia-Serrano ML. Predictors of problematic Internet and mobile phone usage in adolescents. Aloma. 2015;33(2):49–58.
Seo DG, Park Y, Kim MK, Park J. Mobile phone dependency and its impacts on adolescents’ social and academic behaviors. Computers in Human Behavior. 2016;63:282–92.
Sun J, Liu Q, Yu S. Child neglect, psychological abuse and smartphone addiction among Chinese adolescents: The roles of emotional intelligence and coping style. Comput Human Behav. 2019;90:74–83.
Wang P, Zhao M, Wang X, Xie X, Wang Y, Lei L. Peer relationship and adolescent smartphone addiction: The mediating role of self-esteem and the moderating role of the need to belong. J Behav Addict. 2017;6(4):708–17.
Warzecha K, Pawlak A. Pathological use of mobile phones by secondary school students. Arch Psychiatry Psychother. 2017;19(1):27–36.
Yang YS, Yen JY, Ko CH, Cheng CP, Yen CF. The association between problematic cellular phone use and risky behaviors and low self-esteem among Taiwanese adolescents. BMC Public Health. 2010;10(1):217.
Yıldız MA. Emotion regulation strategies as predictors of internet addiction and smartphone addiction in adolescents. J Educ Sci Psychol. 2017;7(1):66–78.
Şar AH, Ayas T, Horzum MB. Developing the smart phone addiction scale and its validity and reliability study. Online J Technol Addict Cyberbullying. 2015;2(1):1–17.
Lee SH, Kim HS, Na EY. A study of use of smartphone of adolescents and effect of that. 2002. Samsung Research Institute.
National Information Society Agency. The survey on internet overdependence. 2016.
Augner C, Hacker GW. Associations between problematic mobile phone use and psychological parameters in young adults. Int J Public Health. 2012;57(2):437–41.
Tekin C, Güneş G, Colak C. Adaptation of problematic mobile phone use scale to Turkish: A validity and reliability study [Cep Telefonu Problemli Kullanım (Pu) Ölçeğinin Türkçe’ye Uyarlanması: Geçerlik Ve Güvenilirlik Çalışması]. Med Sci (Turkey). 2014;3(3):1361–81.
Rutland JB, Sheets T, Young T. Development of a scale to measure problem use of short message service: The SMS problem use diagnostic questionnaire. Cyberpsychol Behav. 2007;10(6):841–3.
Caplan SE. Theory and measurement of generalized problematic Internet use: A two-step approach. Comput Human Behav. 2010;26(5):1089–97.
Lin YH, Chang LR, Lee YH, Tseng HW, Kuo TB, Chen SH. Development and validation of the Smartphone addiction inventory (SPAI). PLoS ONE. 2014;9(6):e98312.
Lee S, Kim H, Na E, Lee S, Kim S, Bae J. A study on the effects of mobile phone use of adolescents. Seoul: Samsung Life Public Welfare Foundation; 2002. Report No. 2002‑1.
Pawłowska B, Potembska E. Właściwości psychometryc-zne Kwestionariusza do Badania Uzależnienia od Telefonu Komórkowego (KBUTK). Bad Schizofr. 2009;10:322–9.
Su S, Pan TT, Liu XQ, Chen XW, Wang YJ, Li MY. Development of the Smartphone addiction scale for college students. Chin Ment Health J. 2014;28(5):392–7.
National Information Society Agency. Report on the development of Korean Smartphone addiction proneness scale for youth and adults. 2011.
Bitkom Research. Kinder und Jugend in der digitalen Welt. 2019. https://www.bitkom.org/sites/default/files/file/import/170512-Bitkom-PK-Kinder-und-Jugend-2017.pdf. Accessed 4 Aug 2019.
Hwang Y, Choi I, Yum JY, Jeong SH. Parental mediation regarding children’s smartphone use: Role of protection motivation and parenting style. Cyberpsychol Behav Soc Netw. 2017;20(6):362–8.
Pew Research Center. Smartphone ownership and internet usage continues to climb in emerging economies. 2016. http://www.pewglobal.org/2016/02/22/smartphone-own-ership-and-internet-usage-continues-to-climb-in-emerging-economies/. Accessed 13.2019.
Nath R, Murthy NR. A study of the relationship between Internet diffusion and culture. J Int Inf Manage. 2004;13(2):5.
Chen L, Nath R. Understanding the underlying factors of Internet addiction across cultures: A comparison study. Electron Commer Res Appl. 2016;2016(17):38–48.
Widyanto L, Griffiths M. ‘Internet addiction’: A critical review. Int J Ment Health Addict. 2006;4(1):31–51.
Griffiths M. Internet addiction – Time to be taken seriously? Addict Res Theory. 2000;8(5):413–8.