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Medicine

D-Index
101
Citations
44392
World Ranking
7880
National Ranking
233

Overview

Tim Olds is affiliated with the University of South Australia in Australia. Their research primarily spans the fields of Medicine and Psychology, with notable contributions to Public Health, Environmental and Occupational Health, Physiology, Experimental and Cognitive Psychology, and Developmental and Educational Psychology. The main areas of their work include obesity, physical activity, diet, and health, sleep and related disorders, nutritional studies and diet, children's physical and motor development, mobile health and mHealth applications, and health disparities and outcomes.

Olds has published extensively, with papers appearing frequently in venues such as the International Journal of Behavioral Nutrition and Physical Activity, BMC Public Health, International Journal of Obesity, PLoS ONE, and Sleep Medicine. These journals reflect the interdisciplinary nature of their research, which integrates behavioral nutrition, physical activity, and health outcomes.

Among recent papers, several stand out by title, year of publication, and venue:

  • Effectiveness of physical activity interventions for improving depression, anxiety and distress: an overview of systematic reviews (2023, British Journal of Sports Medicine)
  • Effectiveness of wearable activity trackers to increase physical activity and improve health: a systematic review of systematic reviews and meta-analyses (2022, The Lancet Digital Health)
  • Compositional Data Analysis in Time-Use Epidemiology: What, Why, How (2020, International Journal of Environmental Research and Public Health)
  • Systematic review and meta-analysis of the effectiveness of chatbots on lifestyle behaviours (2023, npj Digital Medicine)
  • A collaborative approach to adopting/adapting guidelines. The Australian 24-hour movement guidelines for children (5-12 years) and young people (13-17 years): An integration of physical activity, sedentary behaviour, and sleep (2022, International Journal of Behavioral Nutrition and Physical Activity)

Collaborations form a significant part of Olds's work, with frequent co-authors including Dorothea Dumuid, Carol Maher, François Fraysse, Melissa Wake, and Rachel Curtis. These collaborations have contributed to the diversity and depth of research topics covered.

The research topics that characterize Olds's scientific investigations include:

  • Obesity, Physical Activity, Diet
  • Physical Activity and Health
  • Sleep and related disorders
  • Nutritional Studies and Diet
  • Children's Physical and Motor Development
  • Mobile Health and mHealth Applications
  • Health disparities and outcomes

Publication venues where Olds has frequently contributed are:

  • International Journal of Behavioral Nutrition and Physical Activity
  • BMC Public Health
  • International Journal of Obesity
  • PLoS ONE
  • Sleep Medicine

The balance of studies in medicine and psychology, alongside emphasis on applied public health and behavioral research, indicate a multidisciplinary approach in their work, particularly focused on improving health outcomes through physical activity, nutrition, and sleep studies.

Best Publications

  • International Standards for Anthropometric Assessment (2006)

    Michael Marfell-Jones;Timothy Olds;A. Stewart;L. Carter

  • Canadian 24-Hour Movement Guidelines for Children and Youth: An Integration of Physical Activity, Sedentary Behaviour, and Sleep.

    Mark S. Tremblay;Mark S. Tremblay;Valerie Carson;Jean-Philippe Chaput;Jean-Philippe Chaput;Sarah Connor Gorber

  • Anthropometrica : a textbook of body measurement for sports and health courses

    Kevin Norton;Tim Olds

  • Evidence that the prevalence of childhood overweight is plateauing: Data from nine countries

    Tim Olds;Carol Maher;Shi Zumin;Shi Zumin;Sandrine Péneau

  • Systematic review of the relationships between sleep duration and health indicators in school-aged children and youth.

    Jean-Philippe Chaput;Casey Ellen Gray;Veronica Joan Poitras;Valerie Carson

  • In search of lost sleep: secular trends in the sleep time of school-aged children and adolescents.

    Lisa Matricciani;Timothy Olds;John Petkov

  • Development of a compendium of energy expenditures for youth.

    Kate Ridley;Barbara E Ainsworth;Tim S Olds

  • How many steps/day are enough? for children and adolescents

    Catrine Tudor-Locke;Cora L Craig;Michael W Beets;Sarahjane Belton

  • Secular trends in the performance of children and adolescents (1980-2000): an analysis of 55 studies of the 20m shuttle run test in 11 countries.

    Grant R. Tomkinson;Luc A. Léger;Tim S. Olds;Georges Cazorla

  • The validity of consumer-level, activity monitors in healthy adults worn in free-living conditions: a cross-sectional study

    Ty Ferguson;Alex V Rowlands;Tim Olds;Carol Maher

  • Health-related quality of life in obese children and adolescents.

    Margarita D. Tsiros;Timothy S. Olds;Jonathan David Buckley;Paul Grimshaw

  • Combinations of physical activity, sedentary behaviour and sleep: relationships with health indicators in school-aged children and youth.

    Travis John Saunders;Casey Ellen Gray;Veronica Joan Poitras;Jean-Philippe Chaput

  • Compositional data analysis for physical activity, sedentary time and sleep research

    Dorothea Dumuid;Tyman E Stanford;Josep-Antoni Martin-Fernández;Željko Pedišić

  • Secular changes in pediatric aerobic fitness test performance: the global picture.

    Grant R Tomkinson;Timothy S Olds

  • A collaborative approach to adopting/adapting guidelines - The Australian 24-Hour Movement Guidelines for the early years (Birth to 5 years): an integration of physical activity, sedentary behavior, and sleep.

    Anthony D Okely;Anthony D Okely;Davina Ghersi;Kylie Hesketh;Rute Santos;Rute Santos

  • Relationship between adiposity and body size reveals limitations of BMI.

    Alan M. Nevill;Arthur D. Stewart;Tim Olds;Roger L. Holder

  • The International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE): design and methods.

    Peter T. Katzmarzyk;Tiago V. Barreira;Stephanie T. Broyles;Catherine M. Champagne

  • Trends in the prevalence of childhood overweight and obesity in Australia between 1985 and 2008

    T S Olds;G R Tomkinson;K E Ferrar;C A Maher

  • Correlates of Total Sedentary Time and Screen Time in 9-11 Year-Old Children around the World: The International Study of Childhood Obesity, Lifestyle and the Environment.

    Allana G. LeBlanc;Peter T. Katzmarzyk;Tiago V. Barreira;Tiago V. Barreira;Stephanie T. Broyles

  • Physical and Sedentary Activity in Adolescents with Cerebral Palsy.

    Carol A Maher;Marie T Williams;Tim Olds;Alison E Lane

Frequent Co-Authors

Carol Maher
Carol Maher University of South Australia
Catrine Tudor-Locke
Catrine Tudor-Locke University of North Carolina at Charlotte
Mark S. Tremblay
Mark S. Tremblay Children's Hospital of Eastern Ontario
Peter T. Katzmarzyk
Peter T. Katzmarzyk Pennington Biomedical Research Center
Jean-Philippe Chaput
Jean-Philippe Chaput University of Ottawa
Martyn Standage
Martyn Standage University of Bath
Melissa Wake
Melissa Wake University of Melbourne
Gang Hu
Gang Hu Pennington Biomedical Research Center
Estelle V. Lambert
Estelle V. Lambert University of Cape Town
Timothy S. Church
Timothy S. Church Pennington Biomedical Research Center

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