Tim Olds

Affiliations

Murdoch Children's Research Institute, Royal Children's Hospital, Parkville, Victoria, Australia.
Alliance for Research in Exercise, Nutrition and Activity, University of South Australia, Adelaide, Australia.

Publications (35)

Body Mass Index From Early to Late Childhood and Cardiometabolic Measurements at 11 to 12 Years.

Pediatrics

Avec: Kate Lycett , Markus Juonala , Costan G Magnussen , David Norrish , Fiona K Mensah , Richard Liu , Susan A Clifford , John B Carlin , Tim Olds , Richard Saffery , Jessica A Kerr , Sarath Ranganathan , Louise A Baur , Matthew A Sabin , Michael Cheung , Terence Dwyer , Mengjiao Liu , David Burgner , Melissa Wake

Psychometric properties of the PERMA Profiler for measuring wellbeing in Australian adults.

PloS one

Avec: Jillian Ryan , Rachel Curtis , Tim Olds , Sarah Edney , Corneel Vandelanotte , Ronald Plotnikoff , Carol Maher

A cross-sectional examination of the 24-hour movement behaviours in Canadian youth with physical and sensory disabilities.

Disability and health journal

Avec: Kelly P Arbour-Nicitopoulos , Rebecca L Bassett-Gunter , Jennifer Leo , Ritu Sharma , Timothy Olds , Amy E Latimer-Cheung , Kathleen A Martin Ginis

Cross-sectional and longitudinal associations between active commuting and patterns of movement behaviour during discretionary time: A compositional data analysis.

PloS one

Avec: Louise Foley , Dorothea Dumuid , Andrew J Atkin , Katrien Wijndaele , David Ogilvie , Timothy Olds

Standardised criteria for classifying the International Classification of Activities for Time-use Statistics (ICATUS) activity groups into sleep, sedentary behaviour, and physical activity.

The international journal of behavioral nutrition and physical activity

Avec: Nucharapon Liangruenrom , Melinda Craike , Dorothea Dumuid , Stuart J H Biddle , Catrine Tudor-Locke , Barbara Ainsworth , Chutima Jalayondeja , Theun Pieter van Tienoven , Ugo Lachapelle , Djiwo Weenas , David Berrigan , Timothy Olds , Zeljko Pedisic

Objectively measured sleep and telomere length in a population-based cohort of children and midlife adults.

Sleep

Avec: Minh Thien Nguyen , Kate Lycett , Timothy Olds , Lisa Matricciani , Regan Vryer , Sarath Ranganathan , David Burgner , Richard Saffery , Melissa Wake

International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE): Contributions to Understanding the Global Obesity Epidemic.

Nutrients

Avec: Peter T Katzmarzyk , Jean-Philippe Chaput , Mikael Fogelholm , Gang Hu , Carol Maher , Jose Maia , Timothy Olds , Olga L Sarmiento , Martyn Standage , Mark S Tremblay , Catrine Tudor-Locke

"A 15% Reduction in Physical Inactivity Will Be Achieved in Australasia by 2030"-Audience Votes Negative in Online Debate.

Journal of physical activity & health

Avec: Bridget C Foley , Mathew McLaughlin , Sarah Edney , Sheikh Mohammed Shariful Islam , Jessica Seymour , Louisa R Peralta , Angela Douglas , Simon Rosenbaum , Holly Thorpe , Janice Atkin , Tim Olds , Ding Ding

Sleep and cardiometabolic risk: a cluster analysis of actigraphy-derived sleep profiles in adults and children.

Sleep

Avec: Lisa Matricciani , Catherine Paquet , François Fraysse , Anneke Grobler , Yichao Wang , Louise Baur , Markus Juonala , Minh Thien Nguyen , Sarath Ranganathan , David Burgner , Melissa Wake , Tim Olds

Are all MVPA minutes equal? Associations between MVPA characteristics, independent of duration, and childhood adiposity.

BMC public health

Avec: Aaron Miatke , Carol Maher , François Fraysse , Dot Dumuid , Tim Olds

The association between reallocations of time and health using compositional data analysis: a systematic scoping review with an interactive data exploration interface.

The international journal of behavioral nutrition and physical activity

Avec: Aaron Miatke , Tim Olds , Carol Maher , Francois Fraysse , Maddison L Mellow , Ashleigh E Smith , Zeljko Pedisic , Jozo Grgic , Dorothea Dumuid

Results from the Australian 2022 Report Card on physical activity for children and young people.

Journal of exercise science and fitness

Avec: Kylie D Hesketh , Verity Booth , Verity Cleland , Sjaan R Gomersall , Tim Olds , Lindsey Reece , Nicola D Ridgers , Leon Straker , Michalis Stylianou , Grant R Tomkinson , David Lubans

Branched-chain amino acids and sleep: a population-derived study of Australian children aged 11-12 years and their parents.

Journal of sleep research

Avec: Lisa Matricciani , Dorothea Dumuid , Catherine Paquet , Kurt Lushington , Tim Olds

How do 24-h movement behaviours change during and after vacation? A cohort study.

The international journal of behavioral nutrition and physical activity

Avec: Ty Ferguson , Rachel Curtis , Francois Fraysse , Timothy Olds , Dorothea Dumuid , Wendy Brown , Adrian Esterman , Carol Maher

Weather associations with physical activity, sedentary behaviour and sleep patterns of Australian adults: a longitudinal study with implications for climate change.

The international journal of behavioral nutrition and physical activity

Avec: Ty Ferguson , Rachel Curtis , Francois Fraysse , Timothy Olds , Dorothea Dumuid , Wendy Brown , Adrian Esterman , Carol Maher

Children's activity and diet behaviours in the summer holidays versus school year.

Pediatric obesity

Avec: Amanda Watson , Carol Maher , Rebecca Golley , Dot Dumuid , Alexandra Manson , Grant Tomkinson , Francois Fraysse , Tim Olds

Weekly, Seasonal, and Festive Period Weight Gain Among Australian Adults.

JAMA network open

Avec: Carol Maher , Ty Ferguson , Rachel Curtis , Wendy Brown , Dorothea Dumuid , Francois Fraysse , Gilly A Hendrie , Ben Singh , Adrian Esterman , Timothy Olds

Effect of Summer Holiday Programs on Children's Mental Health and Well-Being: Systematic Review and Meta-Analysis.

Children (Basel, Switzerland)

Avec: Emily Eglitis , Catherine Simpson , Ben Singh , Timothy Olds , Amanda Machell , Rosa Virgara , Mandy Richardson , Kylie Brannelly , Aniella Grant , Jessica Gray , Terri Wilkinson , Zoe Rix , Carol Maher

Compositional Data Analysis in Time-Use Epidemiology: What, Why, How.

International journal of environmental research and public health

Avec: Dorothea Dumuid , Željko Pedišić , Javier Palarea-Albaladejo , Josep Antoni Martín-Fernández , Karel Hron , Timothy Olds

Do body mass index and waist-to-height ratio over the preceding decade predict retinal microvasculature in 11-12 year olds and midlife adults?

International journal of obesity (2005)

Avec: Mengjiao Liu , Kate Lycett , Tien Yin Wong , Jessica A Kerr , Mingguang He , Markus Juonala , Tim Olds , Terry Dwyer , David Burgner , Melissa Wake

User Engagement and Attrition in an App-Based Physical Activity Intervention: Secondary Analysis of a Randomized Controlled Trial.

Journal of medical Internet research

Avec: Sarah Edney , Jillian C Ryan , Tim Olds , Courtney Monroe , François Fraysse , Corneel Vandelanotte , Ronald Plotnikoff , Rachel Curtis , Carol Maher

Obesity, the new childhood disability? An umbrella review on the association between adiposity and physical function.

Obesity reviews : an official journal of the International Association for the Study of Obesity

Avec: Margarita D Tsiros , Esther J Tian , Sarah P Shultz , Timothy Olds , Andrew P Hills , Jed Duff , Saravana Kumar

Associations Between 24-Hour Time Use and Academic Achievement in Australian Primary School-Aged Children.

Health education & behavior : the official publication of the Society for Public Health Education

Avec: Amanda Watson , Dorothea Dumuid , Tim Olds

Evidence for Protein Leverage in Children and Adolescents with Obesity.

Obesity (Silver Spring, Md.)

Avec: Christoph Saner , Daniella Tassoni , Brooke E Harcourt , Kung-Ting Kao , Erin J Alexander , Zoe McCallum , Timothy Olds , Alex V Rowlands , David P Burgner , Stephen J Simpson , David Raubenheimer , Alistair M Senior , Markus Juonala , Matthew A Sabin

Epidemiological Transition in Physical Activity and Sedentary Time in Children.

Journal of physical activity & health

Avec: Tiago V Barreira , Stephanie T Broyles , Catrine Tudor-Locke , Jean-Philippe Chaput , Mikael Fogelholm , Gang Hu , Rebecca Kuriyan , Estelle V Lambert , Carol A Maher , José A Maia , Timothy Olds , Vincent Onywera , Olga L Sarmiento , Martyn Standage , Mark S Tremblay , Peter T Katzmarzyk , Auteur inconnu

Interindividual and intraindividual variability in adolescent sleep patterns across an entire school term: A pilot study.

Sleep health

Avec: S Blunden , C Magee , L Clarkson , A Searle , S Banks , T Olds

Changes in weight status, quality of life and behaviours of South Australian primary school children: results from the Obesity Prevention and Lifestyle (OPAL) community intervention program.

BMC public health

Avec: Lucinda Bell , Shahid Ullah , Eva Leslie , Anthea Magarey , Timothy Olds , Julie Ratcliffe , Gang Chen , Michelle Miller , Michelle Jones , Lynne Cobiac

Characterising activity and diet compositions for dementia prevention: protocol for the ACTIVate prospective longitudinal cohort study.

BMJ open

Avec: Ashleigh E Smith , Alexandra T Wade , Timothy Olds , Dorothea Dumuid , Michael J Breakspear , Kate Laver , Mitchell R Goldsworthy , Michael C Ridding , Monica Fabiani , Jillian Dorrian , Montana Hunter , Bryan Paton , Mahmoud Abdolhoseini , Fayeem Aziz , Maddison L Mellow , Clare Collins , Karen J Murphy , Gabriele Gratton , Hannah Keage , Ross T Smith , Frini Karayanidis

A study on prospective associations between adiposity and 7-year changes in movement behaviors among older women based on compositional data analysis.

BMC geriatrics

Avec: Jana Pelclová , Nikola Štefelová , Timothy Olds , Dorothea Dumuid , Karel Hron , Sebastien Chastin , Željko Pedišić

Validation of the Physical Activity Questions in the World Health Organization Health Behavior in School-Aged Children Survey Using Accelerometer Data in Japanese Children and Adolescents.

Journal of physical activity & health

Avec: Chiaki Tanaka , Akira Kyan , Minoru Takakura , Tim Olds , Natasha Schranz , Shigeho Tanaka

Examining social-cognitive theory constructs as mediators of behaviour change in the active team smartphone physical activity program: a mediation analysis.

BMC public health

Avec: Amelia V Romeo , Sarah M Edney , Ronald C Plotnikoff , Tim Olds , Corneel Vandelanotte , Jillian Ryan , Rachel Curtis , Carol A Maher

Children's moderate-to-vigorous physical activity on weekdays versus weekend days: a multi-country analysis.

The international journal of behavioral nutrition and physical activity

Avec: Keith Brazendale , Michael W Beets , Bridget Armstrong , R Glenn Weaver , Ethan T Hunt , Russell R Pate , Timothy A Brusseau , Amy M Bohnert , Timothy Olds , Rafael M Tassitano , Maria Cecilia M Tenorio , Jeanette Garcia , Lars B Andersen , Rachel Davey , Pedro C Hallal , Russell Jago , Elin Kolle , Susi Kriemler , Peter L Kristensen , Soyang Kwon , Jardena J Puder , Jo Salmon , Luis B Sardinha , Esther M F van Sluijs , Auteur inconnu

Parent wellbeing, family screen time and socioeconomic status during early childhood predict physical activity of Aboriginal and Torres Strait Islander children at ages 8-13.

Journal of science and medicine in sport

Avec: Rona Macniven , Rebecca M Stanley , Brett Biles , Dot Dumuid , Tim Olds , Anthony D Okely , Paul Chandler , John Evans

Longitudinal reallocations of time between 24-h movement behaviours and their associations with inflammation in children and adolescents: the UP&DOWN study.

The international journal of behavioral nutrition and physical activity

Avec: Víctor Segura-Jiménez , Željko Pedišić , Aleš Gába , Dorothea Dumuid , Timothy Olds , Nikola Štefelová , Karel Hron , Sonia Gómez-Martínez , Ascensión Marcos , José Castro-Piñero

Children's Health, Wellbeing and Academic Outcomes over the Summer Holidays: A Scoping Review.

Children (Basel, Switzerland)

Avec: Emily Eglitis , Aaron Miatke , Rosa Virgara , Amanda Machell , Timothy Olds , Mandy Richardson , Carol Maher

Réseau de co-auteurs

Timothy Olds 19 collaborations

Dorothea Dumuid 12 collaborations

Carol Maher 11 collaborations

Rachel Curtis 6 collaborations

Francois Fraysse 5 collaborations

Markus Juonala 4 collaborations

David Burgner 4 collaborations

Melissa Wake 4 collaborations

Kate Lycett 3 collaborations

Sarath Ranganathan 3 collaborations

Sarah Edney 3 collaborations

Corneel Vandelanotte 3 collaborations

Catrine Tudor-Locke 3 collaborations

Lisa Matricciani 3 collaborations

François Fraysse 3 collaborations

Aaron Miatke 3 collaborations

Dot Dumuid 3 collaborations

Ty Ferguson 3 collaborations

Wendy Brown 3 collaborations

Adrian Esterman 3 collaborations

Željko Pedišić 3 collaborations

Karel Hron 3 collaborations

Richard Saffery 2 collaborations

Jessica A Kerr 2 collaborations

Matthew A Sabin 2 collaborations

Mengjiao Liu 2 collaborations

Jillian Ryan 2 collaborations

Ronald Plotnikoff 2 collaborations

Zeljko Pedisic 2 collaborations

Minh Thien Nguyen 2 collaborations

Peter T Katzmarzyk 2 collaborations

Jean-Philippe Chaput 2 collaborations

Mikael Fogelholm 2 collaborations

Gang Hu 2 collaborations

Olga L Sarmiento 2 collaborations

Martyn Standage 2 collaborations

Mark S Tremblay 2 collaborations

Catherine Paquet 2 collaborations

Maddison L Mellow 2 collaborations

Ashleigh E Smith 2 collaborations

Amanda Watson 2 collaborations

Ben Singh 2 collaborations

Emily Eglitis 2 collaborations

Amanda Machell 2 collaborations

Rosa Virgara 2 collaborations

Mandy Richardson 2 collaborations

Carol A Maher 2 collaborations

None None 2 collaborations

Nikola Štefelová 2 collaborations

Costan G Magnussen 1 collaboration

David Norrish 1 collaboration

Fiona K Mensah 1 collaboration

Richard Liu 1 collaboration

Susan A Clifford 1 collaboration

John B Carlin 1 collaboration

Louise A Baur 1 collaboration

Michael Cheung 1 collaboration

Terence Dwyer 1 collaboration

Kelly P Arbour-Nicitopoulos 1 collaboration

Rebecca L Bassett-Gunter 1 collaboration

Jennifer Leo 1 collaboration

Ritu Sharma 1 collaboration

Amy E Latimer-Cheung 1 collaboration

Kathleen A Martin Ginis 1 collaboration

Louise Foley 1 collaboration

Andrew J Atkin 1 collaboration

Katrien Wijndaele 1 collaboration

David Ogilvie 1 collaboration

Nucharapon Liangruenrom 1 collaboration

Melinda Craike 1 collaboration

Stuart J H Biddle 1 collaboration

Barbara Ainsworth 1 collaboration

Chutima Jalayondeja 1 collaboration

Theun Pieter van Tienoven 1 collaboration

Ugo Lachapelle 1 collaboration

Djiwo Weenas 1 collaboration

David Berrigan 1 collaboration

Regan Vryer 1 collaboration

Jose Maia 1 collaboration

Bridget C Foley 1 collaboration

Mathew McLaughlin 1 collaboration

Sheikh Mohammed Shariful Islam 1 collaboration

Jessica Seymour 1 collaboration

Louisa R Peralta 1 collaboration

Angela Douglas 1 collaboration

Simon Rosenbaum 1 collaboration

Holly Thorpe 1 collaboration

Janice Atkin 1 collaboration

Ding Ding 1 collaboration

Anneke Grobler 1 collaboration

Yichao Wang 1 collaboration

Louise Baur 1 collaboration

Jozo Grgic 1 collaboration

Kylie D Hesketh 1 collaboration

Verity Booth 1 collaboration

Verity Cleland 1 collaboration

Sjaan R Gomersall 1 collaboration

Lindsey Reece 1 collaboration

Nicola D Ridgers 1 collaboration

Leon Straker 1 collaboration

Michalis Stylianou 1 collaboration

Grant R Tomkinson 1 collaboration

David Lubans 1 collaboration

Kurt Lushington 1 collaboration

Rebecca Golley 1 collaboration

Alexandra Manson 1 collaboration

Grant Tomkinson 1 collaboration

Gilly A Hendrie 1 collaboration

Catherine Simpson 1 collaboration

Kylie Brannelly 1 collaboration

Aniella Grant 1 collaboration

Jessica Gray 1 collaboration

Terri Wilkinson 1 collaboration

Zoe Rix 1 collaboration

Javier Palarea-Albaladejo 1 collaboration

Josep Antoni Martín-Fernández 1 collaboration

Tien Yin Wong 1 collaboration

Mingguang He 1 collaboration

Terry Dwyer 1 collaboration

Jillian C Ryan 1 collaboration

Courtney Monroe 1 collaboration

Margarita D Tsiros 1 collaboration

Esther J Tian 1 collaboration

Sarah P Shultz 1 collaboration

Andrew P Hills 1 collaboration

Jed Duff 1 collaboration

Saravana Kumar 1 collaboration

Christoph Saner 1 collaboration

Daniella Tassoni 1 collaboration

Brooke E Harcourt 1 collaboration

Kung-Ting Kao 1 collaboration

Erin J Alexander 1 collaboration

Zoe McCallum 1 collaboration

Alex V Rowlands 1 collaboration

David P Burgner 1 collaboration

Stephen J Simpson 1 collaboration

David Raubenheimer 1 collaboration

Alistair M Senior 1 collaboration

Tiago V Barreira 1 collaboration

Stephanie T Broyles 1 collaboration

Rebecca Kuriyan 1 collaboration

Estelle V Lambert 1 collaboration

José A Maia 1 collaboration

Vincent Onywera 1 collaboration

S Blunden 1 collaboration

C Magee 1 collaboration

L Clarkson 1 collaboration

A Searle 1 collaboration

S Banks 1 collaboration

T Olds 1 collaboration

Lucinda Bell 1 collaboration

Shahid Ullah 1 collaboration

Eva Leslie 1 collaboration

Anthea Magarey 1 collaboration

Julie Ratcliffe 1 collaboration

Gang Chen 1 collaboration

Michelle Miller 1 collaboration

Michelle Jones 1 collaboration

Lynne Cobiac 1 collaboration

Alexandra T Wade 1 collaboration

Michael J Breakspear 1 collaboration

Kate Laver 1 collaboration

Mitchell R Goldsworthy 1 collaboration

Michael C Ridding 1 collaboration

Monica Fabiani 1 collaboration

Jillian Dorrian 1 collaboration

Montana Hunter 1 collaboration

Bryan Paton 1 collaboration

Mahmoud Abdolhoseini 1 collaboration

Fayeem Aziz 1 collaboration

Clare Collins 1 collaboration

Karen J Murphy 1 collaboration

Gabriele Gratton 1 collaboration

Hannah Keage 1 collaboration

Ross T Smith 1 collaboration

Frini Karayanidis 1 collaboration

Jana Pelclová 1 collaboration

Sebastien Chastin 1 collaboration

Chiaki Tanaka 1 collaboration

Akira Kyan 1 collaboration

Minoru Takakura 1 collaboration

Natasha Schranz 1 collaboration

Shigeho Tanaka 1 collaboration

Amelia V Romeo 1 collaboration

Sarah M Edney 1 collaboration

Ronald C Plotnikoff 1 collaboration

Keith Brazendale 1 collaboration

Michael W Beets 1 collaboration

Bridget Armstrong 1 collaboration

R Glenn Weaver 1 collaboration

Ethan T Hunt 1 collaboration

Russell R Pate 1 collaboration

Timothy A Brusseau 1 collaboration

Amy M Bohnert 1 collaboration

Rafael M Tassitano 1 collaboration

Maria Cecilia M Tenorio 1 collaboration

Jeanette Garcia 1 collaboration

Lars B Andersen 1 collaboration

Rachel Davey 1 collaboration

Pedro C Hallal 1 collaboration

Russell Jago 1 collaboration

Elin Kolle 1 collaboration

Susi Kriemler 1 collaboration

Peter L Kristensen 1 collaboration

Soyang Kwon 1 collaboration

Jardena J Puder 1 collaboration

Jo Salmon 1 collaboration

Luis B Sardinha 1 collaboration

Esther M F van Sluijs 1 collaboration

Rona Macniven 1 collaboration

Rebecca M Stanley 1 collaboration

Brett Biles 1 collaboration

Anthony D Okely 1 collaboration

Paul Chandler 1 collaboration

John Evans 1 collaboration

Víctor Segura-Jiménez 1 collaboration

Aleš Gába 1 collaboration

Sonia Gómez-Martínez 1 collaboration

Ascensión Marcos 1 collaboration

José Castro-Piñero 1 collaboration