Australian broadcast - Child obesity prevention

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Presented as part of a Canadian Institutes of Health funded Knowledge Translation Supplement grant (KTB-112487). Recorded October 14, 2012 in Australia. Re-broadcast of an earlier recording. Recorded May 23, 2012.

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Australian broadcast - Child obesity prevention

  1. 1. This webinar has been made possible with support from the Canadian Institutes of Health Research Welcome! Childhood Obesity Prevention:What’s the evidence? You will be placed on hold until the webinar begins.The webinar will begin shortly, please remain on the line.
  2. 2. What’s the evidence? Waters, E., de Silva-Sanigorski, A., Hall, B.J., Brown, T., Campbell, K.J., Gao, Y., Armstrong, R., Prosser, L., & Summerbell, C.D. (2011). Interventions for preventing obesity in children. Cochrane Database of Systematic Reviews, 2011(12): Art. No.: CD001871 http://health-evidence.ca/articles/show/15329
  3. 3. Participant Side PanelHousekeeping in WebEx Use Q&A to post comments/questions during the webinar  ‘Send’ questions to All (not privately to ‘Host’) Connection issues  Recommend using a wired Internet connection (vs. wireless), to help Q&A prevent connection challenges WebEx 24/7 help line: 1-866-229-3239
  4. 4. This webinar has been made possible with support from the Canadian Institutes of Health Research Welcome! Childhood Obesity Prevention:What’s the evidence?
  5. 5. The Health Evidence Team Kara DeCorby Heather Husson Administrative Director Project ManagerMaureen DobbinsScientific DirectorTel: 905 525-9140 ext 22481E-mail: dobbinsm@mcmaster.ca Lori Greco Robyn Traynor Lyndsey McRae Knowledge Broker Research Coordinator Research Assistant
  6. 6. What is www.health-evidence.ca? Evidence inform Decision Making
  7. 7. Why use www.health-evidence.ca? 1. Saves you time 2. Relevant & current evidence 3. Transparent process 4. Supports for EIDM available 5. Easy to use
  8. 8. Knowledge Translation Supplement Project CIHR-funded KTB-112487
  9. 9. Review Waters, E., de Silva-Sanigorski, A., Hall, B.J., Brown, T., Campbell, K.J., Gao, Y., Armstrong, R., Prosser, L., & Summerbell, C.D. (2011). Interventions for preventing obesity in children. Cochrane Database of Systematic Reviews, 2011(12): Art. No.: CD001871
  10. 10. Professor Elizabeth WatersJack Brockhoff Chair of Child Public HealthDirector: The Jack Brockhoff Child Health and Wellbeing ProgramCoordinating Editor: Cochrane Public Health GroupMelbourne School of Population HealthUniversity of Melbourneewaters@unimelb.edu.au Prof Waters and daughter Lara participating in a local Kitchen Garden Program Australian review authors at the Dec 2011 launch in Melbourne: (L – R) Belinda Hall; Karen Campbell; LizThe McCaughey Centre VicHealth Centre for the Promotion of Mental Health and Community WellbeingMelbourne School of Population Health Waters; Andrea de Silva-Sanigorski; Rebecca Armstrong
  11. 11. The McCaughey Centre VicHealth Centre for the Promotion of Mental Health and Community WellbeingMelbourne School of Population Health
  12. 12. Public Health Evidence & Knowledge Translationresearch group – incorporating Cochrane PublicHealth group, University of Melbournehttp://ph.cochrane.org @CochranePH • Cochrane Public Health Group • Cochrane reviews of complex, multi-sectoral, multi- component, population-level public health interventions • Focus on ‘what works for whom and why’; evidence for action on social determinants; equity • Engage with stakeholders, decision-makers, practitioners • Dissemination • Evidence summaries, practitioner resources • Workforce capacity building – training • Systematic reviews, Evidence-informed public health • Knowledge translation research • NHMRC funded study in Local GovtsThe McCaughey Centre VicHealth Centre for the Promotion of Mental Health and Community WellbeingMelbourne School of Population Health
  13. 13. The McCaughey Centre VicHealth Centre for the Promotion of Mental Health and Community WellbeingMelbourne School of Population Health
  14. 14. Questions?
  15. 15. Summary Statement:Waters (2011) P 0-18 years I community, school, home, day care, preschool – promoting healthy eating, physical activity, social support C usual care O primary outcome – BMIQuality Rating 9 (strong)
  16. 16. Overall ConsiderationsFavorable impact observed for BMI: 6-12 years only physical activity/nutrition interventions combined in education setting alone of short or long durationResults consistent across research designs
  17. 17. General ImplicationsPublic health should promote/support/implement: strategies to prevent obesity among 6-12 year olds in education setting focused on healthy eating and physical activity of various durations different strategies are needed for young children and adolescents Long term impact remains unclear
  18. 18. What’s the evidence Overall BMI -0.15 (95% CI -0.21, -0.09) 6-12 years -0.15 (95% CI -0.23, -0.08) Not statistically significant 0-5 or 13-18
  19. 19. Overall Meta Analysis ResultsSubgroup: 0-5 years
  20. 20. Overall Meta Analysis ResultsSubgroup: 6-12 years
  21. 21. Overall Meta Analysis ResultsSubgroup: 13-18 years
  22. 22. Implications for practice and policy Support obesity prevention in education settings Continue to investigate strategies for other age groups
  23. 23. Intervention Type Combined physical activity and nutrition interventions -0.18 (95% CI -0.27, -0.09) Physical activity alone -0.11 (95% CI - -0.19,-0.02) Nutrition alone (not significant)
  24. 24. Implications for practice and policy Support interventions to change physical activity and healthy eating behaviours in 6-12 years Environment and culture
  25. 25. Intervention Setting Education setting only -0.14 (95% CI -0.21, -0.08) Education + other settings, or non-ed settings only not effective Sig effect in non-education settings for <5 years
  26. 26. Implications for practice and policy Curriculum development More physical activity sessions Nutritional quality of food Training and capacity development for teachers and staff Parents of young children
  27. 27. Intervention length Programs < than or > than 12 months have similar positive effect
  28. 28. Implications for practice and policy Tailor program length to needs of education setting
  29. 29. Research Designs Randomization not a factor Innovative ideas for 0-5 and 13-18 need to be developed and evaluated
  30. 30. Overall ConsiderationsFavorable impact observed for BMI: 6-12 years only physical activity/nutrition interventions combined in education setting alone of short or long durationResults consistent across research designs
  31. 31. General ImplicationsPublic health should promote/support/implement: strategies to prevent obesity among 6-12 year olds in education setting focused on healthy eating and physical activity of various durations different strategies are needed for young children and adolescents Long term impact remains unclear
  32. 32. Questions?
  33. 33. Posting BoardPlease continue to discuss this topic and other topics on our posting board. http://forum.health-evidence.ca/Login with your health-evidence username and password or register if you aren’t a member yet.

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