Two dimensions of problematic smartphone use mediate the relationship between fear of missing out and emotional well-being

Adelhardt, Z., Markus, S., & Eberle, T. (2018). Teenagers’ reaction on the long-lasting separation from smartphones, anxiety and fear of missing out. In SMSociety '18: Proceedings of the 9th International Conference on Social Media and Society (pp. 212–216). ACM. https://doi.org/10.1145/3217804.3217914

Alt, D. (2015). College students’ academic motivation, media engagement and fear of missing out. Computers in Human Behavior, 49, 111–119. https://doi.org/10.1016/j.chb.2015.02.057

Aluoja, A., Shlik, J., Vasar, V., Luuk, K., & Leinsalu, M. (1999). Development and psychometric properties of the Emotional State Questionnaire, a self-report questionnaire for depression and anxiety. Nordic Journal of Psychiatry, 53(6), 443–449. https://doi.org/10.1080/080394899427692

Andone, I., Błaszkiewicz, K., Eibes, M., Trendafilov, B., Markowetz, A., & Montag, C. (2016). How age and gender affect smartphone usage. In UbiComp '16: Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct (pp. 9–12). ACM. https://doi.org/10.1145/2968219.2971451

Ashton, J. J., & Beattie, R. M. (2019). Screen time in children and adolescents: Is there evidence to guide parents and policy? The Lancet Child & Adolescent Health, 3(5), 292–294. https://doi.org/10.1016/S2352-4642(19)30062-8

Augner, C., & Hacker, G. W. (2012). Associations between problematic mobile phone use and psychological parameters in young adults. International Journal of Public Health, 57(2), 437–441. https://doi.org/10.1007/s00038-011-0234-z

Baker, Z. G., Krieger, H., & LeRoy, A. S. (2016). Fear of missing out: Relationships with depression, mindfulness, and physical symptoms. Translational Issues in Psychological Science, 2(3), 275–282. https://doi.org/10.1037/tps0000075

Barkan, R. (2019, December 23). The smartphone is our era’s cigarette – and just as hard to quit. The Guardian. https://www.theguardian.com/commentisfree/2019/dec/23/smartphone-techology-iphone-mobile-cigarettes

Barker, E. (2016, June 7). This is the best way to overcome fear of missing out. Time. https://time.com/4358140/overcome-fomo/

Billieux, J., Maurage, P., Lopez-Fernandez, O., Kuss, D. J., & Griffiths, M. D. (2015). Can disordered mobile phone use be considered a behavioral sddiction? An update on current evidence and a comprehensive model for future research. Current Addiction Reports, 2(2), 156–162. https://doi.org/10.1007/s40429-015-0054-y

Billieux, J., Philippot, P., Schmid, C., Maurage, P., De Mol, J., & Van der Linden, M. (2015). Is dysfunctional use of the mobile phone a behavioural addiction? Confronting symptom-based versus process-based approaches. Clinical Psychology & Psychotherapy, 22(5), 460–468. https://doi.org/10.1002/cpp.1910

Błachnio, A., & Przepiórka, A. (2018). Facebook intrusion, fear of missing out, narcissism, and life satisfaction: A cross-sectional study. Psychiatry Research, 259, 514–519. https://doi.org/10.1016/j.psychres.2017.11.012

Blackwell, D., Leaman, C., Tramposch, R., Osborne, C., & Liss, M. (2017). Extraversion, neuroticism, attachment style and fear of missing out as predictors of social media use and addiction. Personality and Individual Differences, 116, 69–72. https://doi.org/10.1016/j.paid.2017.04.039

Brand, M., Wegmann, E., Stark, R., Müller, A., Wölfling, K., Robbins, T. W., & Potenza, M. N. (2019). The Interaction of Person-Affect-Cognition-Execution (I-PACE) model for addictive behaviors: Update, generalization to addictive behaviors beyond internet-use disorders, and specification of the process character of addictive behaviors. Neuroscience & Biobehavioral Reviews, 104, 1–10. https://doi.org/10.1016/j.neubiorev.2019.06.032

Brand, M., Young, K. S., Laier, C., Wölfling, K., & Potenza, M. N. (2016). Integrating psychological and neurobiological considerations regarding the development and maintenance of specific Internet-use disorders: An Interaction of Person-Affect-Cognition-Execution (I-PACE) model. Neuroscience & Biobehavioral Reviews, 71, 252–266. https://doi.org/10.1016/j.neubiorev.2016.08.033

Brown, T. A. (2006). Confirmatory factor analysis for applied research. Guilford Press.

Browne, B. L., Aruguete, M. S., McCutcheon Lynn E, & Medina, A. M. (2018). Social and emotional correlates of the fear of missing out. North American Journal of Psychology, 20(3), 341–354.

Brueck, H., & Lee, S. (2018, March 24). Why our phones are making us miserable: Happiness isn't the same thing as pleasure, and our brain knows it. Business Insider. https://www.businessinsider.com/why-our-phones-are-making-us-miserable-pleasure-isnt-happiness-2018-3?international=true&r=US&IR=T

Burnell, K., George, M. J., Vollet, J. W., Ehrenreich, S. E., & Underwood, M. K. (2019). Passive social networking site use and well-being: The mediating roles of social comparison and the fear of missing out. Cyberpsychology: Journal of Psychosocial Research on Cyberspace, 13(3), Article 5. https://doi.org/10.5817/cp2019-3-5

Camacho, E., LoPresti, M., Appelboom, G., Dumont, E. L. P., Taylor, B., & Connoly, E. S. (2014). The ubiquitous role of smartphones in mobile health. Biometrics & Biostatistics International Journal, 1(1), 14–19. https://doi.org/10.15406/bbij.2014.01.00004

Canadian Paediatric Society, Digital Health Task Force. (2017). Screen time and young children: Promoting health and development in a digital world. Paediatrics & Child Health, 22(8), 461–468. https://doi.org/10.1093/pch/pxx123

Caunt, B. S., Franklin, J., Brodaty, N. E., & Brodaty, H. (2013). Exploring the causes of subjective well-being: A content analysis of peoples’ recipes for long-term happiness. Journal of Happiness Studies, 14(2), 475–499. https://doi.org/10.1007/s10902-012-9339-1

Chan, M. (2015). Mobile phones and the good life: Examining the relationships among mobile use, social capital and subjective well-being. New Media & Society, 17(1), 96–113. https://doi.org/10.1177/1461444813516836

Chassiakos, Y. R., Radesky, J., Christakis, D., Moreno, M. A., Cross, C., & Council on Communications and Media. (2016). Children and adolescents and digital media. Pediatrics, 138(5), Article e20162593. https://doi.org/10.1542/peds.2016-2593

Chen, J., Liang, Y., Mai, C., Zhong, X., & Qu, C. (2016). General deficit in inhibitory control of excessive smartphone users: Evidence from an event-related potential study. Frontiers in Psychology, 7, Article 511. https://doi.org/10.3389/fpsyg.2016.00511

Ching, S. M., Yee, A., Ramachandran, V., Lim, S. M. S., Sulaiman, W. A. W., Foo, Y. L., & Hoo, F. K. (2015). Validation of a Malay version of the Smartphone Addiction Scale among medical students in Malaysia. PLoS ONE, 10(10), Article e0139337. https://doi.org/10.1371/journal.pone.0139337

Choi, S.-W., Kim, D.-J., Choi, J.-S., Ahn, H., Choi, E.-J., Song, W.-Y., Kim, S., & Youn, H. (2015). Comparison of risk and protective factors associated with smartphone addiction and Internet addiction. Journal of Behavioral Addictions, 4(4), 308–314. https://doi.org/10.1556/2006.4.2015.043

Chotpitayasunondh, V., & Douglas, K. M. (2016). How “phubbing” becomes the norm: The antecedents and consequences of snubbing via smartphone. Computers in Human Behavior, 63, 9–18. https://doi.org/10.1016/j.chb.2016.05.018

Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Routledge. https://doi.org/10.4324/9780203771587

ComScore. (2017, March 31). Mobile matures as the cross-platform era emerges. https://www.comscore.com/Insights/Blog/Mobile-Matures-as-the-Cross-Platform-Era-Emerges

Contractor, A. A., Weiss, N. H., Tull, M. T., & Elhai, J. D. (2017). PTSD’s relation with problematic smartphone use: Mediating role of impulsivity. Computers in Human Behavior, 75, 177–183. https://doi.org/10.1016/j.chb.2017.05.018

Darcin, A. E., Noyan, C., Nurmedov, S., Yilmaz, O., & Dilbaz, N. (2015). Smartphone addiction in relation with social anxiety and loneliness among university students in Turkey. European Psychiatry, 30(Suppl. 1), 505. https://doi.org/10.1016/s0924-9338(15)30398-9

Davie, M., & Firth, A. (2019). The health impacts of screen time: A guide for clinicians and parents. Royal College of Paediatrics and Child Health. https://www.rcpch.ac.uk/resources/health-impacts-screen-time-guide-clinicians-parents

Demirci, K., Akgönül, M., & Akpinar, A. (2015). Relationship of smartphone use severity with sleep quality, depression, and anxiety in university students. Journal of Behavioral Addictions, 4(2), 85–92. https://doi.org/10.1556/2006.4.2015.010

Dhir, A., Yossatorn, Y., Kaur, P., & Chen, S. (2018). Online social media fatigue and psychological wellbeing—A study of compulsive use, fear of missing out, fatigue, anxiety and depression. International Journal of Information Management, 40, 141–152. https://doi.org/10.1016/j.ijinfomgt.2018.01.012

Diener, E., Pressman, S. D., Hunter, J., & Delgadillo-Chase, D. (2017). If, why, and when subjective well-being influences health, and future needed research. Applied Psychology: Health and Well-Being, 9(2), 133–167. https://doi.org/10.1111/aphw.12090

Diener, E., & Seligman, M. E. P. (2002). Very happy people. Psychological Science, 13(1), 81–84. https://doi.org/10.1111/1467-9280.00415

Ding, D., & Li, J. (2017). Smartphone overuse – A growing public health issue. Journal of Psychology & Psychotherapy, 7(1), Article 289. https://doi.org/10.4172/2161-0487.1000289

Dobewall, H., Tark, R., & Aavik, T. (2018). Health as a value and its association with health-related quality of life, mental health, physical health, and subjective well-being. Applied Research in Quality of Life, 13(4), 859–872. https://doi.org/10.1007/s11482-017-9563-2

Duke, É., & Montag, C. (2017). Smartphone addiction, daily interruptions and self-reported productivity. Addictive Behaviors Reports, 6, 90–95. https://doi.org/10.1016/j.abrep.2017.07.002

Eid, M., & Larsen, R. J. (Eds.). (2008). The science of subjective well-being. Guilford Press.

Elhai, J. D., Dvorak, R. D., Levine, J. C., & Hall, B. J. (2017). Problematic smartphone use: A conceptual overview and systematic review of relations with anxiety and depression psychopathology. Journal of Affective Disorders, 207, 251–259. https://doi.org/10.1016/j.jad.2016.08.030

Elhai, J. D., Hall, B. J., Levine, J. C., & Dvorak, R. D. (2017). Types of smartphone usage and relations with problematic smartphone behaviors: The role of content consumption vs. social smartphone use. Cyberpsychology: Journal of Psychosocial Research on Cyberspace, 11(2), Article 3. https://doi.org/10.5817/CP2017-2-3

Elhai, J. D., Levine, J. C., Alghraibeh, A. M., Alafnan, A. A., Aldraiweesh, A. A., & Hall, B. J. (2018). Fear of missing out: Testing relationships with negative affectivity, online social engagement, and problematic smartphone use. Computers in Human Behavior, 89, 289–298. https://doi.org/10.1016/j.chb.2018.08.020

Elhai, J. D., Levine, J. C., Dvorak, R. D., & Hall, B. J. (2016). Fear of missing out, need for touch, anxiety and depression are related to problematic smartphone use. Computers in Human Behavior, 63, 509–516. https://doi.org/10.1016/j.chb.2016.05.079

Elhai, J. D., Levine, J. C., Dvorak, R. D., & Hall, B. J. (2017). Non-social features of smartphone use are most related to depression, anxiety and problematic smartphone use. Computers in Human Behavior, 69, 75–82. https://doi.org/10.1016/j.chb.2016.12.023

Elhai, J. D., Rozgonjuk, D., Liu, T., & Yang, H. (2020). Fear of missing out predicts repeated measurements of greater negative affect using experience sampling methodology. Journal of Affective Disorders, 262, 298–303. https://doi.org/10.1016/j.jad.2019.11.026

Elhai, J. D., Rozgonjuk, D., Yildirim, C., Alghraibeh, A. M., & Alafnan, A. A. (2019). Worry and anger are associated with latent classes of problematic smartphone use severity among college students. Journal of Affective Disorders, 246, 209–216. https://doi.org/10.1016/j.jad.2018.12.047

Elhai, J. D., Tiamiyu, M., & Weeks, J. (2018). Depression and social anxiety in relation to problematic smartphone use: The prominent role of rumination. Internet Research, 28(2), 315–332. https://doi.org/10.1108/intr-01-2017-0019

Elhai, J. D., Vasquez, J. K., Lustgarten, S. D., Levine, J. C., & Hall, B. J. (2018). Proneness to boredom mediates relationships between problematic smartphone use with depression and anxiety severity. Social Science Computer Review, 36(6), 707–720. https://doi.org/10.1177/0894439317741087

Franchina, V., Vanden Abeele, M., Van Rooij, A. J., Lo Coco, G., & De Marez, L. (2018). Fear of missing out as a predictor of problematic social media use and phubbing behavior among Flemish adolescents. International Journal of Environmental Research and Public Health, 15(10), Article 2319. https://doi.org/10.3390/ijerph15102319

Fredrickson, B. L., & Joiner, T. (2002). Positive emotions trigger upward spirals toward emotional well-being. Psychological Science, 13(2), 172–175. https://doi.org/10.1111/1467-9280.00431

Godwin-Jones, R. (2011). Emerging technologies: Mobile apps for language learning. Language Learning & Technology, 15(2), 2–11. http://dx.doi.org/10125/44244

Guo, N., Wang, M. P., Luk, T. T., Ho, S. Y., Fong, D. Y. T., Chan, S. S.-c., & Lam, T. H. (2019). The association of problematic smartphone use with family well-being mediated by family communication in Chinese adults: A population-based study. Journal of Behavioral Addictions, 8(3), 412–419. https://doi.org/10.1556/2006.8.2019.39

Harwood, J., Dooley, J. J., Scott, A. J., & Joiner, R. (2014). Constantly connected – The effects of smart-devices on mental health. Computers in Human Behavior, 34, 267–272. https://doi.org/10.1016/j.chb.2014.02.006

Heller, N. (2017, December 11). Estonia, the digital republic. The New Yorker. https://www.newyorker.com/magazine/2017/12/18/estonia-the-digital-republic

Hooper, D., Coughlan, J., & Mullen, M. R. (2008). Structural equation modelling: Guidelines for determining model fit. Electronic Journal of Business Research Methods, 6(1), 53–60.

Hu, L.-t., & Bentler, P. M. (1999). Cutoff criteria for fit indexes in covariance structure analysis: Conventional criteria versus new alternatives. Structural Equation Modeling: A Multidisciplinary Journal, 6(1), 1–55. https://doi.org/10.1080/10705519909540118

Hussain, Z., Griffiths, M. D., & Sheffield, D. (2017). An investigation into problematic smartphone use: The role of narcissism, anxiety, and personality factors. Journal of Behavioral Addictions, 6(3), 378–386. https://doi.org/10.1556/2006.6.2017.052

Inal, E. E., Demirci, K., Çetintürk, A., Akgönül, M., & Savaş, S. (2015). Effects of smartphone overuse on hand function, pinch strength, and the median nerve. Muscle & Nerve, 52(2), 183–188. https://doi.org/10.1002/mus.24695

Kaare, P.-R., Mõttus, R., & Konstabel, K. (2009). Pathological gambling in Estonia: Relationships with personality, self-esteem, emotional states and cognitive ability. Journal of Gambling Studies, 25(3), 377–390. https://doi.org/10.1007/s10899-009-9119-y

Kahneman, D., & Deaton, A. (2010). High income improves evaluation of life but not emotional well-being. PNAS, 107(38), 16489–16493. https://doi.org/10.1073/pnas.1011492107

Karelson, M., Silm, H., & Kingo, K. (2013). Quality of life and emotional state in vitiligo in an Estonian sample: Comparison with psoriasis and healthy controls. Acta Dermato-Venereologica, 93(4), 446–450. https://doi.org/10.2340/00015555-1520

Kim, D., Lee, Y., Lee, J., Nam, J. E. K., & Chung, Y. (2014). Development of Korean Smartphone Addiction Proneness Scale for youth. PLoS ONE, 9(5), Article e97920. https://doi.org/10.1371/journal.pone.0097920

Kim, H.-J., Min, J.-Y., Kim, H.-J., & Min, K.-B. (2019). Association between psychological and self-assessed health status and smartphone overuse among Korean college students. Journal of Mental Health, 28(1), 11–16. https://doi.org/10.1080/09638237.2017.1370641

Kircaburun, K., Griffiths, M. D., Şahin, F., Bahtiyar, M., Atmaca, T., & Tosuntaş, Ş. B. (2020). The mediating role of self/everyday creativity and depression on the relationship between creative personality traits and problematic social media use among emerging adults. International Journal of Mental Health and Addiction, 18(1), 77–88. https://doi.org/10.1007/s11469-018-9938-0

Kraut, R., Patterson, M., Lundmark, V., Kiesler, S., Mukopadhyay, T., & Scherlis, W. (1998). Internet paradox: A social technology that reduces social involvement and psychological well-being? American Psychologist, 53(9), 1017–1031. https://doi.org/10.1037/0003-066X.53.9.1017

Kross, E., Verduyn, P., Demiralp, E., Park, J., Lee, D. S., Lin, N., Shablack, H., Jonides, J., & Ybarra, O. (2013). Facebook use predicts declines in subjective well-being in young adults. PLoS ONE, 8(8), Article e69841. https://doi.org/10.1371/journal.pone.0069841

Kwon, M., Lee, J.-Y., Won, W.-Y., Park, J.-W., Min, J.-A., Hahn, C., Gu, X., Choi, J.-H., & Kim, D.-J. (2013). Development and validation of a Smartphone Addiction Scale (SAS). PLoS ONE, 8(2), Article e56936. https://doi.org/10.1371/journal.pone.0056936

Lai, C., Altavilla, D., Ronconi, A., & Aceto, P. (2016). Fear of missing out (FOMO) is associated with activation of the right middle temporal gyrus during inclusion social cue. Computers in Human Behavior, 61, 516–521. https://doi.org/10.1016/j.chb.2016.03.072

Lamers, S. M. A., Bolier, L., Westerhof, G. J., Smit, F., & Bohlmeijer, E. T. (2012). The impact of emotional well-being on long-term recovery and survival in physical illness: A meta-analysis. Journal of Behavioral Medicine, 35(5), 538–547. https://doi.org/10.1007/s10865-011-9379-8

Larsen, R. (2009). The contributions of positive and negative affect to emotional well-being. Psihologijske Teme, 18(2), 247–266.

Lee, E. B. (2015). Too much information: Heavy smartphone and Facebook utilization by African American young adults. Journal of Black Studies, 46(1), 44–61. https://doi.org/10.1177/0021934714557034

Lee, S., Kim, H. J., Choi, H. G., & Yoo, Y. S. (2018). Smartphone addiction and interpersonal competence of nursing students. Iranian Journal of Public Health, 47(3), 342–349. http://ijph.tums.ac.ir/index.php/ijph/article/view/12680

Lee, Y.-K., Chang, C.-T., Lin, Y., & Cheng, Z.-H. (2014). The dark side of smartphone usage: Psychological traits, compulsive behavior and technostress. Computers in Human Behavior, 31, 373–383. https://doi.org/10.1016/J.CHB.2013.10.047

Lemola, S., Perkinson-Gloor, N., Brand, S., Dewald-Kaufmann, J. F., & Grob, A. (2015). Adolescents’ electronic media use at night, sleep disturbance, and depressive symptoms in the smartphone age. Journal of Youth and Adolescence, 44(2), 405–418. https://doi.org/10.1007/s10964-014-0176-x

Lepp, A., Barkley, J. E., & Karpinski, A. C. (2014). The relationship between cell phone use, academic performance, anxiety, and satisfaction with life in college students. Computers in Human Behavior, 31, 343–350. https://doi.org/10.1016/j.chb.2013.10.049

Lepp, A., Li, J., & Barkley, J. E. (2016). College students’ cell phone use and attachment to parents and peers. Computers in Human Behavior, 64, 401–408. https://doi.org/10.1016/j.chb.2016.07.021

Lin, Y.-H., Chang, L.-R., Lee, Y.-H., Tseng, H.-W., Kuo, T. B. J., & Chen, S.-H. (2014). Development and validation of the Smartphone Addiction Inventory (SPAI). PLoS ONE, 9(6), Article e98312. https://doi.org/10.1371/journal.pone.0098312

Milyavskaya, M., Saffran, M., Hope, N., & Koestner, R. (2018). Fear of missing out: Prevalence, dynamics, and consequences of experiencing FOMO. Motivation and Emotion, 42(5), 725–737. https://doi.org/10.1007/s11031-018-9683-5

Mîndrilă, D. (2010). Maximum likelihood (ML) and diagonally weighted least squares (DWLS) estimation procedures: A comparison of estimation bias with ordinal and multivariate non-normal data. International Journal for Digital Society, 1(1), 60–66. https://doi.org/10.20533/ijds.2040.2570.2010.0010

Nie, N. H. (2001). Sociability, interpersonal relations, and the Internet: Reconciling conflicting findings. American Behavioral Scientist, 45(3), 420–435. https://doi.org/10.1177/00027640121957277

Oberst, U., Wegmann, E., Stodt, B., Brand, M., & Chamarro, A. (2017). Negative consequences from heavy social networking in adolescents: The mediating role of fear of missing out. Journal of Adolescence, 55, 51–60. https://doi.org/10.1016/j.adolescence.2016.12.008

Ofcom. (2018). A decade of digital dependency. https://www.ofcom.org.uk/about-ofcom/latest/features-and-news/decade-of-digital-dependency

Ööpik, P., Aluoja, A., Kalda, R., & Maaroos, H.-I. (2006). Screening for depression in primary care. Family Practice, 23(6), 693–698. https://doi.org/10.1093/fampra/cml052

Orben, A. (2020). Teenagers, screens and social media: A narrative review of reviews and key studies. Social Psychiatry and Psychiatric Epidemiology, 55(4), 407–414. https://doi.org/10.1007/s00127-019-01825-4

Oswald, A. J., Proto, E., & Sgroi, D. (2015). Happiness and productivity. Journal of Labor Economics, 33(4), 789–822. https://doi.org/10.1086/681096

Panova, T., & Carbonell, X. (2018). Is smartphone addiction really an addiction? Journal of Behavioral Addictions, 7(2), 252–259. https://doi.org/10.1556/2006.7.2018.49

Poushter, J., Bishop, C., & Chwe, H. (2018). Social media use continues to rise in developing countries but plateaus across developed ones. Pew Research Center. https://www.pewresearch.org/global/2018/06/19/social-media-use-continues-to-rise-in-developing-countries-but-plateaus-across-developed-ones/

Przybylski, A. K., Murayama, K., DeHaan, C. R., & Gladwell, V. (2013). Motivational, emotional, and behavioral correlates of fear of missing out. Computers in Human Behavior, 29(4), 1841–1848. https://doi.org/10.1016/J.CHB.2013.02.014

Raudlam, M. (2018). Ilmajäämishirmu (FoMO) küsimustiku adapteerimine ja valideerimine eesti keelde [Adaptation and validation of Estonian fear of missiong out (FoMO) scale; Unpublished Master’s thesis, University of Tartu, Tartu, Estonia].

Reer, F., Tang, W. Y., & Quandt, T. (2019). Psychosocial well-being and social media engagement: The mediating roles of social comparison orientation and fear of missing out. New Media & Society, 21(7), 1486–1505. https://doi.org/10.1177/1461444818823719

Rosseel, Y. (2012). Lavaan: An R package for structural equation modeling. Journal of Statistical Software, 48(2). https://doi.org/10.18637/jss.v048.i02

Rotondi, V., Stanca, L., & Tomasuolo, M. (2017). Connecting alone: Smartphone use, quality of social interactions and well-being. Journal of Economic Psychology, 63, 17–26. https://doi.org/10.1016/j.joep.2017.09.001

Rozgonjuk, D., Kattago, M., & Täht, K. (2018). Social media use in lectures mediates the relationship between procrastination and problematic smartphone use. Computers in Human Behavior, 89, 191–198. https://doi.org/10.1016/j.chb.2018.08.003

Rozgonjuk, D., Levine, J. C., Hall, B. J., & Elhai, J. D. (2018). The association between problematic smartphone use, depression and anxiety symptom severity, and objectively measured smartphone use over one week. Computers in Human Behavior, 87, 10–17. https://doi.org/10.1016/j.chb.2018.05.019

Rozgonjuk, D., Rosenvald, V., Janno, S., & Täht, K. (2016). Developing a shorter version of the Estonian Smartphone Addiction Proneness Scale (E-SAPS18). Cyberpsychology: Journal of Psychosocial Research on Cyberspace, 10(4), Article 4. https://doi.org/10.5817/CP2016-4-4

Rozgonjuk, D., Saal, K., & Täht, K. (2018). Problematic smartphone use, deep and surface approaches to learning, and social media use in lecture. International Journal of Environmental Research and Public Health, 15(1), Article 92. https://doi.org/10.3390/ijerph15010092

Samaha, M., & Hawi, N. S. (2016). Relationships among smartphone addiction, stress, academic performance, and satisfaction with life. Computers in Human Behavior, 57, 321–325. https://doi.org/10.1016/J.CHB.2015.12.045

Schreiber, J. B., Nora, A., Stage, F. K., Barlow, E. A., & King, J. (2006). Reporting structural equation modeling and confirmatory factor analysis results: A review. The Journal of Educational Research, 99(6), 323–338. https://doi.org/10.3200/JOER.99.6.323-338

Scott, H., & Woods, H. C. (2018). Fear of missing out and sleep: Cognitive behavioural factors in adolescents’ nighttime social media use. Journal of Adolescence, 68, 61–65. https://doi.org/10.1016/j.adolescence.2018.07.009

Smetaniuk, P. (2014). A preliminary investigation into the prevalence and prediction of problematic cell phone use. Journal of Behavioral Addictions, 3(1), 41–53. https://doi.org/10.1556/JBA.3.2014.004

Statistics Estonia. (2018). Eesti statistika kvartalikiri. 2/18. Quarterlybulletin of statistics Estonia. https://www.stat.ee/publication-2018_quarterly-bulletin-of-statistics-estonia-2-18

Takahashi, D. (2018, September 11). Newzoo: Smartphone users will top 3 billion in 2018, hit 3.8 billion by 2021. Venture Beat. https://venturebeat.com/2018/09/11/newzoo-smartphone-users-will-top-3-billion-in-2018-hit-3-8-billion-by-2021/

Tandoc, E. C. Jr., Ferrucci, P., & Duffy, M. (2015). Facebook use, envy, and depression among college students: Is facebooking depressing? Computers in Human Behavior, 43, 139–146. https://doi.org/10.1016/j.chb.2014.10.053

Thomée, S., Härenstam, A., & Hagberg, M. (2011). Mobile phone use and stress, sleep disturbances, and symptoms of depression among young adults - A prospective cohort study. BMC Public Health, 11, Article 66. https://doi.org/10.1186/1471-2458-11-66

Tsai, H.-y. S., Hsu, P.-J., Chang, C.-L., Huang, C.-C., Ho, H.-F., & LaRose, R. (2019). High tension lines: Negative social exchange and psychological well-being in the context of instant messaging. Computers in Human Behavior, 93, 326–332. https://doi.org/10.1016/j.chb.2018.12.034

Twenge, J. M. (2019). Stop debating whether too much smartphone time can hurt teens, and start protecting them. Time. https://time.com/collection/davos-2020-mental-health/5555737/smartphone-mental-health-teens/

Vahedi, Z., & Saiphoo, A. (2018). The association between smartphone use, stress, and anxiety: A meta-analytic review. Stress and Health, 34(3), 347–358. https://doi.org/10.1002/smi.2805

Vanden Abeele, M. M. P., Antheunis, M. L., & Schouten, A. P. (2016). The effect of mobile messaging during a conversation on impression formation and interaction quality. Computers in Human Behavior, 62, 562–569. https://doi.org/10.1016/j.chb.2016.04.005

Verduyn, P., Lee, D. S., Park, J., Shablack, H., Orvell, A., Bayer, J., Ybarra, O., Jonides, J., & Kross, E. (2015). Passive Facebook usage undermines affective well-being: Experimental and longitudinal evidence. Journal of Experimental Psychology: General, 144(2), 480–488. https://doi.org/10.1037/xge0000057

Verduyn, P., Ybarra, O., Résibois, M., Jonides, J., & Kross, E. (2017). Do social network sites enhance or undermine subjective well-being? A critical review. Social Issues and Policy Review, 11(1), 274–302. https://doi.org/10.1111/sipr.12033

Wegmann, E., Oberst, U., Stodt, B., & Brand, M. (2017). Online-specific fear of missing out and Internet-use expectancies contribute to symptoms of Internet-communication disorder. Addictive Behaviors Reports, 5, 33–42. https://doi.org/10.1016/j.abrep.2017.04.001

Wolniewicz, C. A., Rozgonjuk, D., & Elhai, J. D. (2020). Boredom proneness and fear of missing out mediate relations between depression and anxiety with problematic smartphone use. Human Behavior and Emerging Technologies, 2(1), 61–70. https://doi.org/10.1002/hbe2.159

Wolniewicz, C. A., Tiamiyu, M. F., Weeks, J. W., & Elhai, J. D. (2018). Problematic smartphone use and relations with negative affect, fear of missing out, and fear of negative and positive evaluation. Psychiatry Research, 262, 618–623. https://doi.org/10.1016/j.psychres.2017.09.058

World Health Organization. (2019). Guidelines on physical activity, sedentary behaviour and sleep for children under 5 years of age. https://apps.who.int/iris/handle/10665/311664

World Medical Association. (2013). World Medical Association declaration of Helsinki: Ethical principles for medical research involving human subjects. JAMA, 310(20), 2191–2194. https://doi.org/10.1001/jama.2013.281053

Xie, X., Wang, Y., Wang, P., Zhao, F., & Lei, L. (2018). Basic psychological needs satisfaction and fear of missing out: Friend support moderated the mediating effect of individual relative deprivation. Psychiatry Research, 268, 223–228. https://doi.org/10.1016/j.psychres.2018.07.025