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Physical activity guidelines and cardiovascular risk in children: a cross sectional analysis to determine whether 60 minutes is enough

Füssenich, L. M., Boddy, L. M., Green, D. J., Graves, L. E. F., Foweather, L., Dagger, R. M., McWhannell, N., Henaghan, J., Ridgers, N. D., Stratton, G. and Hopkins, N. D. 2016, Physical activity guidelines and cardiovascular risk in children: a cross sectional analysis to determine whether 60 minutes is enough, BMC public health, vol. 16, Article number: 67, pp. 1-7, doi: 10.1186/s12889-016-2708-7.

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Title Physical activity guidelines and cardiovascular risk in children: a cross sectional analysis to determine whether 60 minutes is enough
Author(s) Füssenich, L. M.
Boddy, L. M.
Green, D. J.
Graves, L. E. F.
Foweather, L.
Dagger, R. M.
McWhannell, N.
Henaghan, J.
Ridgers, N. D.ORCID iD for Ridgers, N. D. orcid.org/0000-0001-5713-3515
Stratton, G.
Hopkins, N. D.
Journal name BMC public health
Volume number 16
Season Article number: 67
Start page 1
End page 7
Total pages 7
Publisher BioMed Central
Place of publication London, Eng.
Publication date 2016-01-22
ISSN 1471-2458
Keyword(s) Accelerometry
Blood Pressure
Cardiovascular Diseases
Child
Cross-Sectional Studies
Exercise
Female
Guidelines as Topic
Humans
Male
Odds Ratio
Physical Fitness
Risk Factors
Risk Reduction Behavior
Time Factors
Science & Technology
Life Sciences & Biomedicine
Public, Environmental & Occupational Health
Physical activity guidelines
Moderate/vigorous physical activity
Clustered cardiovascular risk
FLOW-MEDIATED DILATION
ENDOTHELIAL FUNCTION
DIASTOLIC FUNCTION
YOUTH
ADOLESCENTS
MATURITY
FITNESS
EVENTS
Summary BACKGROUND: Physical activity reduces cardiovascular mortality and morbidity. The World Health Organisation (WHO) recommends children engage in 60 min daily moderate-to-vigorous physical activity (MVPA). The effect of compliance with this recommendation on childhood cardiovascular risk has not been empirically tested. To evaluate whether achieving recommendations results in reduced composite-cardiovascular risk score (CCVR) in children, and to examine if vigorous PA (VPA) has independent risk-reduction effects.

METHODS: PA was measured using accelerometry in 182 children (9-11 years). Subjects were grouped according to achievement of 60 min daily MVPA (active) or not (inactive). CCVR was calculated (sum of z-scores: DXA body fat %, blood pressure, VO2peak, flow mediated dilation, left ventricular diastolic function; CVR score ≥ 1SD indicated 'higher risk'). The cohort was further split into quintiles for VPA and odds ratios (OR) calculated for each quintile.

RESULTS: Active children (92 (53 boys)) undertook more MVPA (38 ± 11 min, P < 0.001), had greater VO2peak (4.5 ± 0.8 ml/kg/min P < 0.001), and lower fat % (3.9 ± 1.1 %, P < 0.001) than inactive. No difference were observed between active and inactive for CCVR or OR (P > 0.05). CCVR in the lowest VPA quintile was significantly greater than the highest quintile (3.9 ± 0.6, P < 0.05), and the OR was 4.7 times higher.

CONCLUSION: Achievement of current guidelines has positive effects on body composition and cardiorespiratory fitness, but not CCVR. Vigorous physical activity appears to have beneficial effects on CVD risk, independent of moderate PA, implying a more prescriptive approach may be needed for future VPA guidelines.
Language eng
DOI 10.1186/s12889-016-2708-7
Field of Research 110699 Human Movement and Sports Science not elsewhere classified
1117 Public Health And Health Services
Socio Economic Objective 920401 Behaviour and Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID DE120101173
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081008

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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.