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Sleep duration and risk of obesity among a sample of Victorian school children

Morrissey, Bridget, Malakellis, Mary, Whelan, Jill, Millar, Lynne, Swinburn, Boyd, Allender, Steven and Strugnell, Claudia 2016, Sleep duration and risk of obesity among a sample of Victorian school children, BMC public health, vol. 16, no. 1, Article Number : 245, pp. 1-8, doi: 10.1186/s12889-016-2913-4.

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Title Sleep duration and risk of obesity among a sample of Victorian school children
Author(s) Morrissey, Bridget
Malakellis, MaryORCID iD for Malakellis, Mary orcid.org/0000-0003-2063-2040
Whelan, JillORCID iD for Whelan, Jill orcid.org/0000-0001-9434-109X
Millar, Lynne
Swinburn, Boyd
Allender, StevenORCID iD for Allender, Steven orcid.org/0000-0002-4842-3294
Strugnell, ClaudiaORCID iD for Strugnell, Claudia orcid.org/0000-0001-5912-9720
Journal name BMC public health
Volume number 16
Issue number 1
Season Article Number : 245
Start page 1
End page 8
Total pages 8
Publisher BioMed Central
Place of publication London, Eng.
Publication date 2016
ISSN 1471-2458
Keyword(s) sleep
sleep duration
children
school children
overweight
obesity
accelerometry
ActiGraph
physical activity
sedentary behaviour
Summary BACKGROUND: Insufficient sleep is potentially an important modifiable risk factor for obesity and poor physical activity and sedentary behaviours among children. However, inconsistencies across studies highlight the need for more objective measures. This paper examines the relationship between sleep duration and objectively measured physical activity, sedentary time and weight status, among a sample of Victorian Primary School children.

METHODS: A sub-sample of 298 grades four (n = 157) and six (n = 132) Victorian primary school children (aged 9.2-13.2 years) with complete accelerometry and anthropometry data, from 39 schools, were taken from a pilot study of a larger state based cluster randomized control trial in 2013. Data comprised: researcher measured height and weight; accelerometry derived physical activity and sedentary time; and self-reported sleep duration and hypothesised confounding factors (e.g. age, gender and environmental factors).

RESULTS: Compared with sufficient sleepers (67 %), those with insufficient sleep (<10 hrs/day) were significantly more likely to be overweight (OR 1.97, 95 % CI:1.11-3.48) or obese (OR 2.43, 95 % CI:1.26-4.71). No association between sleep and objectively measured physical activity levels or sedentary time was found.

CONCLUSION: The strong positive relationship between weight status and sleep deprivation merits further research though PA and sedentary time do not seem to be involved in the relationship. Strategies to improve sleep duration may help obesity prevention initiatives in the future.
Language eng
DOI 10.1186/s12889-016-2913-4
Field of Research 1117 Public Health And Health Services
Socio Economic Objective 920501 Child Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083205

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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.