Age of first digital device use and screen media use at age 15: A cross-sectional analysis of 384,591 participants from 55 countries
Objectives: We investigated the associations between age of first digital device use and screen media use at age 15. Study design and methods: Utilizing cross-sectional data from the 2018 Program for International Student Assessment, we analyzed responses from 384,591 fifteen-year-olds (50 % girls)...
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Elsevier
2025-06-01
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| Series: | Public Health in Practice |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666535225000151 |
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| author | Sarah Overgaard Slater Lauren Arundell Anders Grøntved Jo Salmon |
| author_facet | Sarah Overgaard Slater Lauren Arundell Anders Grøntved Jo Salmon |
| author_sort | Sarah Overgaard Slater |
| collection | DOAJ |
| description | Objectives: We investigated the associations between age of first digital device use and screen media use at age 15. Study design and methods: Utilizing cross-sectional data from the 2018 Program for International Student Assessment, we analyzed responses from 384,591 fifteen-year-olds (50 % girls) from 55 countries on their age of first device use and current frequency of 12 screen behaviours. Behaviors were categorized as social, gaming, recreational, educational/practical (grouped into regular [every day; almost every day] and non-regular users [once or twice a week; once or twice a month; never or hardly ever]. Generalized linear regression, adjusted for highest level of schooling of mother/father and with student sampling and replicate weights to account for the sampling design was used to estimate prevalence ratios (PR) for regular use of each screen activity per additional year of age when first using devices. Results: Higher age of first device use was associated with lower prevalence of being a regular user for nine screen behaviours at age 15, with some sex differences. The strongest association was found for using email’ (PR per increasing year of first device use for total sample: 0.956 [95%CI 0.935; 0.977]; boys: 0.956 [95%CI 0.928; 0.986]) and playing collaborative online games (girls: 0.947 [95%CI 0.905; 0.991]). Later first use of devices was associated with decreased prevalence of regular use for social purposes at age 15. Conclusion: The later children start using digital devices, the less likely they are to be regular users at 15 years, especially social use. Delaying children's introduction to digital devices may decrease future use. |
| format | Article |
| id | doaj-art-798f1847fdcb4637ad0ee5db2dce16cb |
| institution | DOAJ |
| issn | 2666-5352 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Public Health in Practice |
| spelling | doaj-art-798f1847fdcb4637ad0ee5db2dce16cb2025-08-20T03:19:54ZengElsevierPublic Health in Practice2666-53522025-06-01910059610.1016/j.puhip.2025.100596Age of first digital device use and screen media use at age 15: A cross-sectional analysis of 384,591 participants from 55 countriesSarah Overgaard Slater0Lauren Arundell1Anders Grøntved2Jo Salmon3Department of Sports Science and Clinical Biomechanics, Research Unit for Exercise Epidemiology, Centre of Research in Childhood Health, University of Southern Denmark, Odense, DenmarkInstitute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Melbourne, AustraliaDepartment of Sports Science and Clinical Biomechanics, Research Unit for Exercise Epidemiology, Centre of Research in Childhood Health, University of Southern Denmark, Odense, Denmark; Corresponding author. Campusvej 55, 5230, Odense M, Denmark.Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Melbourne, AustraliaObjectives: We investigated the associations between age of first digital device use and screen media use at age 15. Study design and methods: Utilizing cross-sectional data from the 2018 Program for International Student Assessment, we analyzed responses from 384,591 fifteen-year-olds (50 % girls) from 55 countries on their age of first device use and current frequency of 12 screen behaviours. Behaviors were categorized as social, gaming, recreational, educational/practical (grouped into regular [every day; almost every day] and non-regular users [once or twice a week; once or twice a month; never or hardly ever]. Generalized linear regression, adjusted for highest level of schooling of mother/father and with student sampling and replicate weights to account for the sampling design was used to estimate prevalence ratios (PR) for regular use of each screen activity per additional year of age when first using devices. Results: Higher age of first device use was associated with lower prevalence of being a regular user for nine screen behaviours at age 15, with some sex differences. The strongest association was found for using email’ (PR per increasing year of first device use for total sample: 0.956 [95%CI 0.935; 0.977]; boys: 0.956 [95%CI 0.928; 0.986]) and playing collaborative online games (girls: 0.947 [95%CI 0.905; 0.991]). Later first use of devices was associated with decreased prevalence of regular use for social purposes at age 15. Conclusion: The later children start using digital devices, the less likely they are to be regular users at 15 years, especially social use. Delaying children's introduction to digital devices may decrease future use.http://www.sciencedirect.com/science/article/pii/S2666535225000151Screen timeChildrenAdolescent |
| spellingShingle | Sarah Overgaard Slater Lauren Arundell Anders Grøntved Jo Salmon Age of first digital device use and screen media use at age 15: A cross-sectional analysis of 384,591 participants from 55 countries Public Health in Practice Screen time Children Adolescent |
| title | Age of first digital device use and screen media use at age 15: A cross-sectional analysis of 384,591 participants from 55 countries |
| title_full | Age of first digital device use and screen media use at age 15: A cross-sectional analysis of 384,591 participants from 55 countries |
| title_fullStr | Age of first digital device use and screen media use at age 15: A cross-sectional analysis of 384,591 participants from 55 countries |
| title_full_unstemmed | Age of first digital device use and screen media use at age 15: A cross-sectional analysis of 384,591 participants from 55 countries |
| title_short | Age of first digital device use and screen media use at age 15: A cross-sectional analysis of 384,591 participants from 55 countries |
| title_sort | age of first digital device use and screen media use at age 15 a cross sectional analysis of 384 591 participants from 55 countries |
| topic | Screen time Children Adolescent |
| url | http://www.sciencedirect.com/science/article/pii/S2666535225000151 |
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