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2020

Journal Article

A descriptive epidemiology of screen-based devices by children and adolescents: a scoping review of 130 surveillance studies since 2000

Thomas, George, Bennie, Jason A., De Cocker, Katrien, Castro, Oscar and Biddle, Stuart J. H. (2020). A descriptive epidemiology of screen-based devices by children and adolescents: a scoping review of 130 surveillance studies since 2000. Child Indicators Research, 13 (3), 935-950. doi: 10.1007/s12187-019-09663-1

A descriptive epidemiology of screen-based devices by children and adolescents: a scoping review of 130 surveillance studies since 2000

2019

Journal Article

Physical activity and mental health in children and adolescents: an updated review of reviews and an analysis of causality

Biddle, Stuart J. H., Ciaccioni, Simone, Thomas, George and Vergeer, Ineke (2019). Physical activity and mental health in children and adolescents: an updated review of reviews and an analysis of causality. Psychology of Sport and Exercise, 42, 146-155. doi: 10.1016/j.psychsport.2018.08.011

Physical activity and mental health in children and adolescents: an updated review of reviews and an analysis of causality

2025

Journal Article

An analysis of people with disabilities in Australia by age, sex, disability type and severity – Implications for leveraging the 2032 Paralympic games to increase physical activity participation

Tweedy, Sean, Fortnum, Kathryn, Thomas, George, Cole, Damien, Demetriou, Bridget, Dutia, Iain, Hill, Jessica, Cairney, John and Beckman, Emma (2025). An analysis of people with disabilities in Australia by age, sex, disability type and severity – Implications for leveraging the 2032 Paralympic games to increase physical activity participation. JSAMS Plus, 6 100110, 100110. doi: 10.1016/j.jsampl.2025.100110

An analysis of people with disabilities in Australia by age, sex, disability type and severity – Implications for leveraging the 2032 Paralympic games to increase physical activity participation

2025

Other Outputs

Promoting mental wellbeing and recovery across the lifespan: a review of evidence

Fortnum, Kathryn, Bourke, Matthew, Thomas, George, Mulcahy, Samantha, Alsop, Tahlia and Gomersall, Sjaan (2025). Promoting mental wellbeing and recovery across the lifespan: a review of evidence. doi: 10.31219/osf.io/y7uwj_v1

Promoting mental wellbeing and recovery across the lifespan: a review of evidence

2025

Journal Article

Development, validation, acceptability and usability of a device-based system to measure sit-stand desk usage

Healy, Genevieve N., Melendez-Calderon, Alejandro, Kaab, Sami, Bongers, Noah, Heseltine, Katherine A., Yue, Chan Hi, Thomas, George and Clark, Bronwyn K. (2025). Development, validation, acceptability and usability of a device-based system to measure sit-stand desk usage. Applied Ergonomics, 126 104490, 104490. doi: 10.1016/j.apergo.2025.104490

Development, validation, acceptability and usability of a device-based system to measure sit-stand desk usage

2025

Journal Article

Clusters of healthy lifestyle behaviours are associated with symptoms of depression, anxiety, and psychological distress: a systematic review and meta-analysis of observational studies

Bourke, Matthew, Wang, Hiu Fei Wendy, McNaughton, Sarah A., Thomas, George, Firth, Joseph, Trott, Mike and Cairney, John (2025). Clusters of healthy lifestyle behaviours are associated with symptoms of depression, anxiety, and psychological distress: a systematic review and meta-analysis of observational studies. Clinical Psychology Review, 118 102585, 102585. doi: 10.1016/j.cpr.2025.102585

Clusters of healthy lifestyle behaviours are associated with symptoms of depression, anxiety, and psychological distress: a systematic review and meta-analysis of observational studies

2025

Journal Article

How physical activity context relates to cognition across the lifespan: A systematic review and meta-analysis

Mavilidi, Myrto F., Vazou, Spyridoula, Lubans, David R., Robinson, Katie, Woods, Andrew J., Benzing, Valentin, Anzeneder, Sofia, Owen, Katherine B., Álvarez-Bueno, Celia, Wade, Levi, Burley, Jade, Thomas, George, Okely, Anthony D. and Pesce, Caterina (2025). How physical activity context relates to cognition across the lifespan: A systematic review and meta-analysis. Psychological Bulletin, 151 (5), 544-579. doi: 10.1037/bul0000478

How physical activity context relates to cognition across the lifespan: A systematic review and meta-analysis

2025

Journal Article

Unpacking the relationship between autism, sport participation, and adolescent health: a causal mediation analysis

O'Flaherty, Martin, Hill, Jessica, Bourke, Matthew, Fortnum, Kathryn, Thomas, George, Gomersall, Sjaan R. and Cairney, John (2025). Unpacking the relationship between autism, sport participation, and adolescent health: a causal mediation analysis. Disability and Health Journal, 18 (3) 101832, 1-8. doi: 10.1016/j.dhjo.2025.101832

Unpacking the relationship between autism, sport participation, and adolescent health: a causal mediation analysis

2025

Journal Article

Association between 24-hour movement behaviors and adiposity in children and adolescents: A compositional data meta-analysis

Bourke, Matthew, Harrison, Zoe, Fortnum, Kathryn, Thomas, George, O'Flaherty, Martin, Mulcahy, Samantha K., Gomersall, Sjaan R., Alsop, Tahlia, Trost, Stewart G., Koplin, Jennifer J., Bruijns, Brianne A., Phillips, Sophie M., Vanderloo, Leigh M., Tucker, Patricia, Hesketh, Kylie D., Kwan, Matthew Y. W. and Cairney, John (2025). Association between 24-hour movement behaviors and adiposity in children and adolescents: A compositional data meta-analysis. Obesity Reviews, 26 (5) e13884, e13884. doi: 10.1111/obr.13884

Association between 24-hour movement behaviors and adiposity in children and adolescents: A compositional data meta-analysis

2024

Journal Article

Construct validity and reliability of the effective early childhood physical literacy pedagogue (ECE-PLP) self-report instrument

Barratt, Jaime, Dudley, Dean, Stylianou, Michalis, Thomas, George, Wheeler, Kai and Cairney, John (2024). Construct validity and reliability of the effective early childhood physical literacy pedagogue (ECE-PLP) self-report instrument. Measurement in Physical Education and Exercise Science, ahead-of-print (ahead-of-print), 1-15. doi: 10.1080/1091367x.2024.2422309

Construct validity and reliability of the effective early childhood physical literacy pedagogue (ECE-PLP) self-report instrument

2024

Journal Article

Evaluation of the ActiMotus software to accurately classify postures and movements in children aged 3–14

Lund Rasmussen, Charlotte, Hendry, Danica, Thomas, George, Beynon, Amber, Stearne, Sarah Michelle, Zabatiero, Juliana, Davey, Paul, Roslyng Larsen, Jon, Rohl, Andrew Lloyd, Straker, Leon and Campbell, Amity (2024). Evaluation of the ActiMotus software to accurately classify postures and movements in children aged 3–14. Sensors, 24 (20) 6705. doi: 10.3390/s24206705

Evaluation of the ActiMotus software to accurately classify postures and movements in children aged 3–14

2024

Journal Article

24-hour movement behaviors of LGBTQA+ young people: a systematic review

Fortnum, Kathryn, Gomersall, Sjaan R., Ross, Megan H., Woodforde, James, Thomas, George, Wen, Yu-Shu, Perales, Francisco and Stylianou, Michalis (2024). 24-hour movement behaviors of LGBTQA+ young people: a systematic review. Journal of Physical Activity & Health, 21 (12), 1-17. doi: 10.1123/jpah.2024-0343

24-hour movement behaviors of LGBTQA+ young people: a systematic review

2024

Journal Article

Device-based measurement of office-based physical activity and sedentary time: a systematic review

Bongers, Noah, Healy, Genevieve N., Thomas, George and Clark, Bronwyn K. (2024). Device-based measurement of office-based physical activity and sedentary time: a systematic review. Journal for the Measurement of Physical Behaviour, 7 (1), 10-22. doi: 10.1123/jmpb.2024-0011

Device-based measurement of office-based physical activity and sedentary time: a systematic review

2024

Journal Article

Early childhood screen use contexts and cognitive and psychosocial outcomes : a systematic review and meta-analysis

Mallawaarachchi, Sumudu, Burley, Jade, Mavilidi, Myrto, Howard, Steven J., Straker, Leon, Kervin, Lisa, Staton, Sally, Hayes, Nicole, Machell, Amanda, Torjinski, Marina, Brady, Brodie, Thomas, George, Horwood, Sharon, White, Sonia L. J., Zabatiero, Juliana, Rivera, Clara and Cliff, Dylan (2024). Early childhood screen use contexts and cognitive and psychosocial outcomes : a systematic review and meta-analysis. JAMA Pediatrics, 178 (10), 1017-1026. doi: 10.1001/jamapediatrics.2024.2620

Early childhood screen use contexts and cognitive and psychosocial outcomes : a systematic review and meta-analysis

2024

Journal Article

Intense and problematic social media use and sleep difficulties of adolescents in 40 countries

Khan, Asaduzzaman, Thomas, George, Karatela, Shamshad, Morawska, Alina and Werner-Seidler, Aliza (2024). Intense and problematic social media use and sleep difficulties of adolescents in 40 countries. Journal of Adolescence, 96 (5), 1116-1125. doi: 10.1002/jad.12321

Intense and problematic social media use and sleep difficulties of adolescents in 40 countries

2024

Journal Article

Measurement method options to investigate digital screen technology use by children and adolescents: a narrative review

Beynon, Amber, Hendry, Danica, Lund Rasmussen, Charlotte, Rohl, Andrew L., Eynon, Rebecca, Thomas, George, Stearne, Sarah, Campbell, Amity, Harris, Courtenay, Zabatiero, Juliana and Straker, Leon (2024). Measurement method options to investigate digital screen technology use by children and adolescents: a narrative review. Children, 11 (7) 754. doi: 10.3390/children11070754

Measurement method options to investigate digital screen technology use by children and adolescents: a narrative review

2024

Journal Article

An umbrella review of the benefits and risks associated with youths’ interactions with electronic screens

Sanders, Taren, Noetel, Michael, Parker, Philip, Del Pozo Cruz, Borja, Biddle, Stuart, Ronto, Rimante, Hulteen, Ryan, Parker, Rhiannon, Thomas, George, De Cocker, Katrien, Salmon, Jo, Hesketh, Kylie, Weeks, Nicole, Arnott, Hugh, Devine, Emma, Vasconcellos, Roberta, Pagano, Rebecca, Sherson, Jamie, Conigrave, James and Lonsdale, Chris (2024). An umbrella review of the benefits and risks associated with youths’ interactions with electronic screens. Nature Human Behaviour, 8 (1), 82-99. doi: 10.1038/s41562-023-01712-8

An umbrella review of the benefits and risks associated with youths’ interactions with electronic screens

2022

Journal Article

Physical activity and sedentary behaviour of female adolescents in Indonesia: a multi-method study on duration, pattern and context

Andriyani, Fitria Dwi, Biddle, Stuart J. H., Priambadha, Aprida Agung, Thomas, George and De Cocker, Katrien (2022). Physical activity and sedentary behaviour of female adolescents in Indonesia: a multi-method study on duration, pattern and context. Journal of Exercise Science & Fitness, 20 (2), 128-139. doi: 10.1016/j.jesf.2022.02.002

Physical activity and sedentary behaviour of female adolescents in Indonesia: a multi-method study on duration, pattern and context

2022

Journal Article

Using wearable cameras to categorize the type and context of screen-based behaviors among adolescents: observational study

Thomas, George, Bennie, Jason A., De Cocker, Katrien, Dwi Andriyani, Fitria, Booker, Bridget and Biddle, Stuart J. H. (2022). Using wearable cameras to categorize the type and context of screen-based behaviors among adolescents: observational study. JMIR Pediatrics and Parenting, 5 (1) e28208, e28208. doi: 10.2196/28208

Using wearable cameras to categorize the type and context of screen-based behaviors among adolescents: observational study

2022

Other Outputs

Screen time. In Active Healthy Kids Australia (2022). Reboot! Reimagining Physically Active Lives: 2022 Australian Report Card on Physical Activity for Children and Young People

Zabatiero, Juliana, Thomas, George and Straker, Leon (2022). Screen time. In Active Healthy Kids Australia (2022). Reboot! Reimagining Physically Active Lives: 2022 Australian Report Card on Physical Activity for Children and Young People. Melbourne, Australia: Active Health Kids Australia.

Screen time. In Active Healthy Kids Australia (2022). Reboot! Reimagining Physically Active Lives: 2022 Australian Report Card on Physical Activity for Children and Young People