Relationship between a range of sedentary behaviours and blood pressure during early adolescence

Gopinath, B; Baur, LA; Hardy, LL; Kifley, A; Rose, KA; Wong, TY; Mitchell, P

Relationship between a range of sedentary behaviours and blood pressure during early adolescence

Gopinath, B Baur, LA Hardy, LL Kifley, A Rose, KA

Wong, TY Mitchell, P

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Publication Type:: Journal Article
Citation:: Journal of Human Hypertension, 2012, 26 (6), pp. 350 - 356
Issue Date:: 2012-06-01

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Field	Value	Language
dc.contributor.author	Gopinath, B	en_US
dc.contributor.author	Baur, LA	en_US
dc.contributor.author	Hardy, LL	en_US
dc.contributor.author	Kifley, A	en_US
dc.contributor.author	Rose, KA https://orcid.org/0000-0003-2851-4145	en_US
dc.contributor.author	Wong, TY	en_US
dc.contributor.author	Mitchell, P	en_US
dc.date.issued	2012-06-01	en_US
dc.identifier.citation	Journal of Human Hypertension, 2012, 26 (6), pp. 350 - 356	en_US
dc.identifier.issn	0950-9240	en_US
dc.identifier.uri	http://hdl.handle.net/10453/113903
dc.description.abstract	Very few studies have explored links between physical activity, sedentary behaviours and blood pressure (BP) in early adolescence. We aimed to assess the association between a range of sedentary activities (screen time, television (TV) viewing, computer usage, video game usage and time spent in homework or reading) and BP in schoolchildren. Eligible year-7 students (2353/3144, mean age 12.7 years) from a random cluster sample of 21 Sydney schools were examined during 2003-2005. Parents and children completed detailed questionnaires of activity. BP was measured using a standard protocol and high BP was defined using published guidelines. Height and weight were measured, and body mass index (BMI) calculated. After adjusting for age, sex, ethnicity, parental education, height, BMI and time spent in physical activity, each hour per day spent in screen time, watching TV and playing video games was associated with a significant increase in diastolic BP of 0.44 (P0.0001), 0.99 (P0.0001) and 0.64 mm Hg (P0.04), respectively. In contrast, each hour per day spent reading was associated with a decrease of 0.91 (P0.01) and 0.69 mm Hg (P0.02) in systolic and diastolic BP, respectively. Our results indicate that addressing different types of sedentary activities could be a potentially important strategy to reduce the prevalence of elevated BP in children. © 2012 Macmillan Publishers Limited.	en_US
dc.relation.ispartof	Journal of Human Hypertension	en_US
dc.relation.isbasedon	10.1038/jhh.2011.40	en_US
dc.subject.classification	Cardiovascular System & Hematology	en_US
dc.subject.mesh	Humans	en_US
dc.subject.mesh	Body Mass Index	en_US
dc.subject.mesh	Exercise	en_US
dc.subject.mesh	Child Behavior	en_US
dc.subject.mesh	Blood Pressure	en_US
dc.subject.mesh	Television	en_US
dc.subject.mesh	Reading	en_US
dc.subject.mesh	Child	en_US
dc.subject.mesh	Female	en_US
dc.subject.mesh	Male	en_US
dc.subject.mesh	Sedentary Lifestyle	en_US
dc.subject.mesh	Sedentary Behavior	en_US
dc.title	Relationship between a range of sedentary behaviours and blood pressure during early adolescence	en_US
dc.type	Journal Article
utslib.citation.volume	6	en_US
utslib.citation.volume	26	en_US
utslib.for	1103 Clinical Sciences	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Graduate School of Health
utslib.copyright.status	closed_access
pubs.issue	6	en_US
pubs.publication-status	Published	en_US
pubs.volume	26	en_US

Abstract:

Very few studies have explored links between physical activity, sedentary behaviours and blood pressure (BP) in early adolescence. We aimed to assess the association between a range of sedentary activities (screen time, television (TV) viewing, computer usage, video game usage and time spent in homework or reading) and BP in schoolchildren. Eligible year-7 students (2353/3144, mean age 12.7 years) from a random cluster sample of 21 Sydney schools were examined during 2003-2005. Parents and children completed detailed questionnaires of activity. BP was measured using a standard protocol and high BP was defined using published guidelines. Height and weight were measured, and body mass index (BMI) calculated. After adjusting for age, sex, ethnicity, parental education, height, BMI and time spent in physical activity, each hour per day spent in screen time, watching TV and playing video games was associated with a significant increase in diastolic BP of 0.44 (P0.0001), 0.99 (P0.0001) and 0.64 mm Hg (P0.04), respectively. In contrast, each hour per day spent reading was associated with a decrease of 0.91 (P0.01) and 0.69 mm Hg (P0.02) in systolic and diastolic BP, respectively. Our results indicate that addressing different types of sedentary activities could be a potentially important strategy to reduce the prevalence of elevated BP in children. © 2012 Macmillan Publishers Limited.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/113903