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Meeting new Canadian 24-Hour Movement Guidelines for the Early Years and associations with adiposity among toddlers living in Edmonton, Canada

Lee, Eun-Young, Hesketh, Kylie D, Hunter, Stephen, Kuzik, Nicholas, Rhodes, Ryan E, Rinaldi, Christina M, Spence, John C and Carson, Valerie 2017, Meeting new Canadian 24-Hour Movement Guidelines for the Early Years and associations with adiposity among toddlers living in Edmonton, Canada, BMC public health, vol. 17, no. 5, pp. 1-11, doi: 10.1186/s12889-017-4855-x.

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Title Meeting new Canadian 24-Hour Movement Guidelines for the Early Years and associations with adiposity among toddlers living in Edmonton, Canada
Author(s) Lee, Eun-Young
Hesketh, Kylie DORCID iD for Hesketh, Kylie D orcid.org/0000-0002-2702-7110
Hunter, Stephen
Kuzik, Nicholas
Rhodes, Ryan E
Rinaldi, Christina M
Spence, John C
Carson, Valerie
Journal name BMC public health
Volume number 17
Issue number 5
Article ID 840
Start page 1
End page 11
Total pages 11
Publisher BioMed Central
Place of publication London, Eng.
Publication date 2017-11-20
ISSN 1471-2458
Keyword(s) body mass index
guidelines
physical activity
sedentary behaviour
sleep
toddlers
adiposity
Canada
child, preschool
exercise
female
guideline adherence
human body
male
pediatric obesity
sedentary lifestyle
time factors
science & technology
life sciences & biomedicine
public, environmental & occupational health
Summary BACKGROUND: Canada has recently released guidelines that include toddler-specific recommendations for physical activity, screen-based sedentary behaviour, and sleep. This study examined the proportions of toddlers meeting the new Canadian 24-Hour Movement Guidelines for the Early Years (0-4 years) and associations with body mass index (BMI) z-scores in a sample from Edmonton, Canada.

METHODS: Participants included 151 toddlers (aged 19.0 ± 1.9 months) for whom there was complete objectively measured physical activity data from the Parents' Role in Establishing healthy Physical activity and Sedentary behaviour habits (PREPS) project. Toddlers' physical activity was measured using ActiGraph wGT3X-BT monitors. Toddlers' screen time and sleep were measured using the PREPS questionnaire. Toddlers' height and weight were objectively measured by public health nurses and BMI z-scores were calculated using World Health Organization growth standards. Meeting the overall 24-Hour Movement Guidelines was defined as: ≥180 min/day of total physical activity, including ≥1 min/day of moderate- to vigorous-intensity physical activity; no screen time per day (for those aged 12-23 months) or ≤1 h/day of screen time per day (ages 24-35 months); and 11-14 h of sleep per 24-h period. Frequency analyses and linear regression models were conducted.

RESULTS: Only 11.9% of toddlers met the overall 24-Hour Movement Guidelines, but this finding was largely driven by screen time. The majority of toddlers met the individual physical activity (99.3%) and sleep (82.1%) recommendations, while only 15.2% of toddlers met the screen time recommendation. No associations were observed between meeting specific and general combinations of recommendations within the guidelines and BMI z-scores.


CONCLUSIONS: Most toddlers in this sample were meeting physical activity and sleep recommendations but were engaging in more screen time than recommended. Consequently, only a small proportion of toddlers met the overall guidelines. Based on the findings of this study, identifying modifiable correlates of screen time to inform appropriate strategies to reduce screen time appears key for increasing the proportion of toddlers meeting the 24-Hour Movement Guidelines for the Early Years. Future research should examine the associations between meeting the new guidelines and other health indicators. Furthermore, future high-quality studies examining dose-response relationships between movement behaviours and health indicators are needed to inform guideline updates.
Language eng
DOI 10.1186/s12889-017-4855-x
Field of Research 1117 Public Health And Health Services
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30109264

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.