Physical activity, obesity status, and blood pressure in preschool children

Vale, Susana, Trost, Stewart G., Rego, Carla, Abreu, Sandra, & Mota, Jorge (2015) Physical activity, obesity status, and blood pressure in preschool children. Journal of Pediatrics, 167(1), pp. 98-102.

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To examine the combined effects of physical activity and weight status on blood pressure (BP) in preschool-aged children.

Study design

The sample included 733 preschool-aged children (49% female). Physical activity was objectively assessed on 7 consecutive days by accelerometry. Children were categorized as sufficiently active if they met the recommendation of at least 60 minutes daily of moderate-to-vigorous physical activity (MVPA). Body mass index was used to categorize children as nonoverweight or overweight/obese, according to the International Obesity Task Force benchmarks. BP was measured using an automated BP monitor and categorized as elevated or normal using BP percentile-based cut-points for age, sex, and height.


The prevalence of elevated systolic BP (SBP) and diastolic BP was 7.7% and 3.0%, respectively. The prevalence of overweight/obese was 32%, and about 15% of children did not accomplish the recommended 60 minutes of daily MVPA. After controlling for age and sex, overweight/obese children who did not meet the daily MVPA recommendation were 3 times more likely (OR 3.8; CI 1.6-8.6) to have elevated SBP than nonoverweight children who met the daily MVPA recommendation.


Overweight or obese preschool-aged children with insufficient levels of MVPA are at significantly greater risk for elevated SBP than their nonoverweight and sufficiently active counterparts.

Impact and interest:

3 citations in Scopus
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3 citations in Web of Science®

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ID Code: 92462
Item Type: Journal Article
Refereed: Yes
Keywords: Accelerometry/instrumentation, Blood Pressure/*physiology, Child, Preschool, Female, Humans, Logistic Models, Male, Motor Activity/*physiology, Obesity/epidemiology/*physiopathology, Overweight/epidemiology/*physiopathology, Portugal/epidemiology, Systole/physiology
DOI: 10.1016/j.jpeds.2015.04.031
ISSN: 0022-3476
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Copyright Owner: Copyright 2015 Elsevier
Deposited On: 31 Jan 2016 23:46
Last Modified: 01 Feb 2016 22:24

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