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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

2026

Journal Article

Parental knowledge, attitudes, and perceived usefulness of Australian screen time guidelines for toddlers and preschoolers

Thomas, George, Lau, Samara, Gomersall, Sjaan, Stylianou, Michalis, Bourke, Matthew, Duncombe, Stephanie L., Vergeer, Ineke, Morawska, Alina, Trost, Stewart, Cairney, John and Biddle, Stuart (2026). Parental knowledge, attitudes, and perceived usefulness of Australian screen time guidelines for toddlers and preschoolers. Health Promotion Journal of Australia, 37 (2) e70178, 1-11. doi: 10.1002/hpja.70178

Parental knowledge, attitudes, and perceived usefulness of Australian screen time guidelines for toddlers and preschoolers

2026

Journal Article

Developmental coordination disorder traits persistently affect physical activity and sedentary behavior in adults

Cavalcante-Neto, Jorge Lopes, Silva, Joao Mateus Carneiro, Thomas, George, da Silva, Sarah Moreira, da Silva, Irla Pereira and Cairney, John (2026). Developmental coordination disorder traits persistently affect physical activity and sedentary behavior in adults. Scientific Reports, 16 (1) 10896, 1-13. doi: 10.1038/s41598-026-42487-y

Developmental coordination disorder traits persistently affect physical activity and sedentary behavior in adults

2026

Journal Article

Association between healthy lifestyle behaviors and mental health symptoms in children with autism and ADHD: a latent profile analysis

Bourke, Matthew, Walker, Jacqueline L., Thomas, George, Fortnum, Kathryn and O'Flaherty, Martin (2026). Association between healthy lifestyle behaviors and mental health symptoms in children with autism and ADHD: a latent profile analysis. Autism Research e70238, e70238. doi: 10.1002/aur.70238

Association between healthy lifestyle behaviors and mental health symptoms in children with autism and ADHD: a latent profile analysis

2026

Journal Article

Within-person association between daily screen use and sleep in youth

Bourke, Matthew, Maddren, Claudia I., Sippel, Franziska and Thomas, George (2026). Within-person association between daily screen use and sleep in youth. JAMA Pediatrics. doi: 10.1001/jamapediatrics.2025.6490

Within-person association between daily screen use and sleep in youth

2026

Journal Article

Healthy technology use in schools: implications for screen time, social media, and smartphone use

Thomas, George and Campbell, Marilyn (2026). Healthy technology use in schools: implications for screen time, social media, and smartphone use. Journal of Psychologists and Counsellors in Schools, 36 (1), 3-6. doi: 10.1177/20556365261426201

Healthy technology use in schools: implications for screen time, social media, and smartphone use

2026

Journal Article

The digital home in early childhood: classifications of digital landscapes among young Australian children

Thomas, George, Bourke, Matthew, Duncombe, Stephanie L., Pattinson, Cassandra L., Vergeer, Ineke, Biddle, Stuart J.H., Gomersall, Sjaan and Stylianou, Michalis (2026). The digital home in early childhood: classifications of digital landscapes among young Australian children. Journal of Psychologists and Counsellors in Schools, 36 (1) 20556365261422013, 38-51. doi: 10.1177/20556365261422013

The digital home in early childhood: classifications of digital landscapes among young Australian children

2026

Journal Article

Examining health behaviour profiles among children with autism and ADHD using latent profile analysis

Bourke, Matthew, O'Flaherty, Martin, Fortnum, Kathryn, Thomas, George and Walker, Jacqueline L. (2026). Examining health behaviour profiles among children with autism and ADHD using latent profile analysis. Research in Autism, 130 202751, 202751. doi: 10.1016/j.reia.2025.202751

Examining health behaviour profiles among children with autism and ADHD using latent profile analysis

2026

Journal Article

Send in the squad—Podsquad! Using design thinking as a framework to develop a public health promotion programme

Farletti, Rebecca, Walker, Jacqueline L., Chai, Li Kheng, Campbell, Miranda, Munro, Joanna, Thomas, George, Cairney, John and Littlewood, Robyn (2026). Send in the squad—Podsquad! Using design thinking as a framework to develop a public health promotion programme. Health Promotion Journal of Australia, 37 (1) e70136, 1-11. doi: 10.1002/hpja.70136

Send in the squad—Podsquad! Using design thinking as a framework to develop a public health promotion programme

2026

Book Chapter

Screens, health and sedentary lifestyles: the need to recognise complexity, function and context

Biddle, Stuart J.H., Andriyani, Fitria Dwi and Thomas, George (2026). Screens, health and sedentary lifestyles: the need to recognise complexity, function and context. Routledge handbook of digital technologies in sport, exercise and physical education. (pp. 36-51) edited by Victoria A. Goodyear and Andrea Bundon. Abingdon, Oxon, United Kingdom: Routledge. doi: 10.4324/9781003411758-4

Screens, health and sedentary lifestyles: the need to recognise complexity, function and context

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, 1-9. 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

Conference Publication

AI-assisted screening in large-scale reviews: a case example from a bibliometric study on physical activity technologies

Thomas, George, Gilson, Nick, Alley, Stephanie, Browne, Meighan, Duncan, Mitch and Vandelanotte, Corneel (2025). AI-assisted screening in large-scale reviews: a case example from a bibliometric study on physical activity technologies. Asia-Pacific Society for Physical Activity, Newcastle, NSW, Australia, 25-27 November 2025.

AI-assisted screening in large-scale reviews: a case example from a bibliometric study on physical activity technologies

2025

Conference Publication

Technology for physical activity promotion: A bibliometric analysis over four decades using an AI-human hybrid search and selection model

Gilson, Nick, Thomas, George, Alley, Stephanie, Browne, Meighan, Duncan, Mitch and Vandelanotte, Corneel (2025). Technology for physical activity promotion: A bibliometric analysis over four decades using an AI-human hybrid search and selection model. Asia-Pacific Society for Physical Activity, Newcastle, NSW, Australia, 25-27 November 2025.

Technology for physical activity promotion: A bibliometric analysis over four decades using an AI-human hybrid search and selection model

2025

Conference Publication

Physical activity environments and behaviours in Outside School Hours Care

Stylianou, Michalis, Woodforde, James, Duncombe, Stephanie, Thomas, George, Lee, Jessica, Hill, Jessica and Gomersall, Sjaan (2025). Physical activity environments and behaviours in Outside School Hours Care. Asia-Pacific Society for Physical Activity, Newcastle, NSW Australia, 25-27 November 2025.

Physical activity environments and behaviours in Outside School Hours Care

2025

Journal Article

The role of lifestyle factors in type 2 diabetes in children and adolescents: a systematic review

Fortnum, Kathryn, Thomas, George, Too, Kiara, Tam, Athena, Tilley, Kate, Cairney, John, Healy, Genevieve N. and Gomersall, Sjaan (2025). The role of lifestyle factors in type 2 diabetes in children and adolescents: a systematic review. BMC Public Health, 25 (1) 3675, 1-11. doi: 10.1186/s12889-025-23767-0

The role of lifestyle factors in type 2 diabetes in children and adolescents: a systematic review

2025

Journal Article

Longitudinal associations between maternal and child screen use at 1 year of age and child behavior and development at 3 years of age

Sim, Stephanie, Zabatiero, Juliana, Bear, Natasha, Beynon, Amber, Thomas, George, Srinivasjois, Ravisha, Jongeling, Brad, Silva, Desiree and Straker, Leon (2025). Longitudinal associations between maternal and child screen use at 1 year of age and child behavior and development at 3 years of age. BMC Pediatrics, 25 (1) 791, 1-14. doi: 10.1186/s12887-025-05701-w

Longitudinal associations between maternal and child screen use at 1 year of age and child behavior and development at 3 years of age

2025

Journal Article

Associations between screen time, sleep quality, diet quality and food selectivity among school-aged autistic children

Wang, Hiu Fei Wendy, Smith, Simon S., O’Flaherty, Martin, Trost, Stewart G., Thomas, George, Walker, Jacqueline L., Fortnum, Kathryn, McNaughton, Sarah, Cairney, John and Bourke, Matthew (2025). Associations between screen time, sleep quality, diet quality and food selectivity among school-aged autistic children. Journal of Autism and Developmental Disorders, 1-14. doi: 10.1007/s10803-025-07064-8

Associations between screen time, sleep quality, diet quality and food selectivity among school-aged autistic children

2025

Other Outputs

Questionnaires used to explore the perspectives of parents and health professionals on young children’s use of technology: a systematic review (Preprint)

Lund Rasmussen, Charlotte, Pui Hung Au, Ivan, Hendry, Danica, Beynon, Amber, Stearne, Sarah, Thomas, George, Mannell, Kate, Kervin, Lisa, Edwards, Susan, Harris, Courtenay, Straker, Leon and Zabatiero, Juliana (2025). Questionnaires used to explore the perspectives of parents and health professionals on young children’s use of technology: a systematic review (Preprint). doi: 10.2196/84712

Questionnaires used to explore the perspectives of parents and health professionals on young children’s use of technology: a systematic review (Preprint)

2025

Journal Article

Association between 24-h movement behaviors and mental health in children and adolescents: a systematic review and compositional data meta-analysis

Bourke, Matthew, Wang, Hiu Fei Wendy, Fortnum, Kathryn, Thomas, George, O'Flaherty, Martin, Mulcahy, Samantha K., Gomersall, Sjaan R., Alsop, Tahlia, Trost, Stewart G., Bruijns, Brianne A., Phillips, Sophie M., Vanderloo, Leigh, Tucker, Patricia, Hesketh, Kylie D., Kwan, Matthew Y. W. and Cairney, John (2025). Association between 24-h movement behaviors and mental health in children and adolescents: a systematic review and compositional data meta-analysis. Scandinavian Journal of Medicine and Science in Sports, 35 (8) e70120, 1-18. doi: 10.1111/sms.70120

Association between 24-h movement behaviors and mental health in children and adolescents: a systematic review and compositional data meta-analysis