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The Validity and Reliability of the Serbian Version of the Smartphone Addiction Scale—Short Version

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  • Aleksandra Nikolic

    (Institute of Epidemiology, Faculty of Medicine, University of Belgrade, Visegradska 26a, 11129 Belgrade, Serbia)

  • Bojana Bukurov

    (Clinic of Otorhinolaryngology and Maxillofacial Surgery, Faculty of Medicine, University Clinical Center of Serbia, University of Belgrade, Pasterova 2, 11000 Belgrade, Serbia)

  • Ilija Kocic

    (Covid Hospital Krusevac, University Clinical Center of Nis, 18000 Nis, Serbia)

  • Ivan Soldatovic

    (Institute of Medical Statistics and Informatics, Faculty of Medicine, University of Belgrade, Dr Subotica 15, 11000 Belgrade, Serbia)

  • Sladjana Mihajlovic

    (Hospital for Gynecology and Obstetrics, University Clinical Center “Dr Dragisa Misovic Dedinje”, Heroja Milana Tepica 1, 11000 Belgrade, Serbia)

  • Dejan Nesic

    (Institute of Medical Physiology, Faculty of Medicine, University of Belgrade, Visegradska 26/II, 11129 Belgrade, Serbia)

  • Milica Vukovic

    (Institute of Social Medicine, Faculty of Medicine, University of Belgrade, Dr Subotica 15, 11000 Belgrade, Serbia)

  • Nikola Ladjevic

    (Urology Hospital, University Clinical Centre of Serbia, Resavska 51, 11000 Belgrade, Serbia)

  • Sandra Sipetic Grujicic

    (Institute of Epidemiology, Faculty of Medicine, University of Belgrade, Visegradska 26a, 11129 Belgrade, Serbia)

Abstract

Background and Objectives : Smartphone use has been rapidly increasing worldwide, which has brought possible smartphone addiction into the focus of research. In order to identify potential smartphone addicts, several scales were developed to assess smartphone addiction. Among them, the Smartphone Addiction Scale was frequently used. The study aimed to test the reliability and validity of the Serbian version of the SAS-SV and estimate smartphone addiction prevalence among medical students. Materials and Methods : The study was conducted in December 2018 on a convenience sample of 323 third-year medical students. The cross-cultural adaptation was performed following the well-established guidelines for cross-cultural adaptation of self-reported measures. Exploratory factor analysis was used to examine the structure of the questionnaire. Factor extraction was performed by principal component analysis with Varimax rotation. For test–retest reliability, students completed the questionnaire twice within seven days. Results : The Serbian version of the SAS-SV showed good internal consistency (Cronbach’s alpha = 0.89) and excellent reliability for test–retest scores (ICC = 0.94, 95% CI = 0.92–0.96). Factor analysis supported the extraction of one factor, which explained 51.538% of the variance. To explore convergent validity furthermore, the SAS-SV was correlated with time indicators of smartphone use. According to cut-off values for the SAS-SV score, 19.5% of students could be regarded as “addicted”, and often spent more time on smartphones and social networks on working days and weekends than “not addicted” students. Conclusions : The Serbian version of the SAS-SV is a reliable and valid instrument for detecting smartphone addiction among university students. Further research on this issue is encouraged to enable a better understanding of this ever-increasing public health issue.

Suggested Citation

  • Aleksandra Nikolic & Bojana Bukurov & Ilija Kocic & Ivan Soldatovic & Sladjana Mihajlovic & Dejan Nesic & Milica Vukovic & Nikola Ladjevic & Sandra Sipetic Grujicic, 2022. "The Validity and Reliability of the Serbian Version of the Smartphone Addiction Scale—Short Version," IJERPH, MDPI, vol. 19(3), pages 1-11, January.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:3:p:1245-:d:731168
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    References listed on IDEAS

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    1. Daria J. Kuss & Lydia Harkin & Eiman Kanjo & Joel Billieux, 2018. "Problematic Smartphone Use: Investigating Contemporary Experiences Using a Convergent Design," IJERPH, MDPI, vol. 15(1), pages 1-16, January.
    2. Min Kwon & Joon-Yeop Lee & Wang-Youn Won & Jae-Woo Park & Jung-Ah Min & Changtae Hahn & Xinyu Gu & Ji-Hye Choi & Dai-Jin Kim, 2013. "Development and Validation of a Smartphone Addiction Scale (SAS)," PLOS ONE, Public Library of Science, vol. 8(2), pages 1-7, February.
    3. Andrew Lepp & Jacob E. Barkley & Aryn C. Karpinski, 2015. "The Relationship Between Cell Phone Use and Academic Performance in a Sample of U.S. College Students," SAGE Open, , vol. 5(1), pages 21582440155, February.
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    2. Han, Sunyoung, 2022. "Impact of smartphones on students: How age at first use and duration of usage affect learning and academic progress," Technology in Society, Elsevier, vol. 70(C).

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