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

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dc.contributor.authorLee, Eun-Young
dc.contributor.authorHesketh, Kylie D.
dc.contributor.authorHunter, Stephen
dc.contributor.authorKuzik, Nicholas
dc.contributor.authorRhodes, Ryan E.
dc.contributor.authorRinaldi, Christina M.
dc.contributor.authorSpence, John C.
dc.contributor.authorCarson, Valerie
dc.date.accessioned2019-03-05T21:10:45Z
dc.date.available2019-03-05T21:10:45Z
dc.date.copyright2017en_US
dc.date.issued2017
dc.description.abstractBackground: 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.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipThis research was funded by the Canadian Institutes of Health Research (CIHR); the Institute of Human, Development, Child and Youth Health (IHDCYH); and the Heart and Stroke Foundation (Alberta). VC is supported by a CIHR New Investigator Salary Award. NK is supported by a Queen Elizabeth II Doctoral Scholarship. KDH is supported by an Australian Research Council Future Fellowship (FT130100637) and an Honorary National Heart Foundation of Australia Future Leader Fellowship (100370). The funding bodies had no role in the design of the study; in the collection, analysis, and interpretation of data; or in writing the manuscript. Publication charges for this article have been funded through support provided by the Public Health Agency of Canada.en_US
dc.identifier.citationLee, E.; Hesketh, K. D.; Hunter, S.; Kuzik, N.; Rhodes, R. E.; Rinaldi, C. M.; Spence, J. C.; & Carson, V. (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, 17(Suppl 5), 840. DOI: 10.1186/s12889-017-4855-xen_US
dc.identifier.urihttps://doi.org/10.1186/s12889-017-4855-x
dc.identifier.urihttp://hdl.handle.net/1828/10640
dc.language.isoenen_US
dc.publisherBMC Public Healthen_US
dc.subjectphysical activity
dc.subjectsedentary behaviour
dc.subjectsleep
dc.subjectguidelines
dc.subjecttoddlers
dc.subjectbody mass index
dc.subject.departmentSchool of Exercise Science, Physical and Health Education
dc.titleMeeting new Canadian 24-Hour Movement Guidelines for the Early Years and associations with adiposity among toddlers living in Edmonton, Canadaen_US
dc.typeArticleen_US

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