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Conference Paper: Increasing prevalence of hypertension in Hong Kong Cardiovascular Risk Factor Prevalence Study: role of general and central obesity

TitleIncreasing prevalence of hypertension in Hong Kong Cardiovascular Risk Factor Prevalence Study: role of general and central obesity
Authors
Issue Date2011
PublisherHong Kong Academy of Medicine Press. The Journal's web site is located at http://www.hkmj.org.hk
Citation
The 16th Medical Research Conference, Department of Medicine, The University of Hong Kong, Hong Kong, China, 22 January 2011. In the Hong Kong Medical Journal, 2011, v. 17 n. 1, Suppl. 1, p. 16, abstract no. 14 How to Cite?
AbstractIntroduction: General obesity and central obesity are well-known risk factors of hypertension. We investigated the change in the prevalence of hypertension in the population-based prospective Hong Kong Cardiovascular Risk Factor Prevalence Study (CRISPS) and the relationship of change in blood pressure with change in body mass index (BMI) and waist circumference over a follow-up period of 11.9 years. Methods: A total of 2888, 1942 and 1798 subjects in CRISPS-1 (1995-1996), CRISPS-2 (2000-2004) and CRISPS-3 (2005-2008) were included in this analysis respectively. Hypertension was defined as blood pressure ≥140/90 mm Hg or taking anti-hypertensive medication. General obesity was defined as BMI ≥27.5 kg/m2 and central obesity was defined as waist circumference ≥90 cm in men or ≥80 cm in women. Results: The prevalence of hypertension increased from 18.1% to 39.4% (P<0.001 after adjusting for age and sex). The prevalence of central obesity increased from 25.4% to 41.4%, but that of general obesity decreased from 16.8% to 14.8% (both P<0.001 after adjusting for age and sex). Among 1347 subjects who did not take any anti-hypertensive medication at both CRISPS-1 and CRISPS-3, the change in waist circumference, but not that in BMI, was associated with the changes in both systolic and diastolic blood pressures (beta=0.087, P=0.015 and beta=0.122, P<0.001 respectively). Conclusions: The increase in prevalence of hypertension might be explained by the increase in central obesity. Our findings further confirm the importance of waist circumference in this population; calculating the BMI alone may give a false sense of security. Acknowledgement: This study was funded by Hong Kong Research Grant Council grants (HKU7229/01M and HKU7626/07M) and the Sun Chieh Yeh Heart Foundation.
Persistent Identifierhttp://hdl.handle.net/10722/140168
ISSN
2023 Impact Factor: 3.1
2023 SCImago Journal Rankings: 0.261

 

DC FieldValueLanguage
dc.contributor.authorCheung, BMYen_US
dc.contributor.authorOng, KLen_US
dc.contributor.authorTso, AWKen_US
dc.contributor.authorLam, THen_US
dc.contributor.authorLam, KSLen_US
dc.date.accessioned2011-09-23T06:08:04Z-
dc.date.available2011-09-23T06:08:04Z-
dc.date.issued2011en_US
dc.identifier.citationThe 16th Medical Research Conference, Department of Medicine, The University of Hong Kong, Hong Kong, China, 22 January 2011. In the Hong Kong Medical Journal, 2011, v. 17 n. 1, Suppl. 1, p. 16, abstract no. 14en_US
dc.identifier.issn1024-2708-
dc.identifier.urihttp://hdl.handle.net/10722/140168-
dc.description.abstractIntroduction: General obesity and central obesity are well-known risk factors of hypertension. We investigated the change in the prevalence of hypertension in the population-based prospective Hong Kong Cardiovascular Risk Factor Prevalence Study (CRISPS) and the relationship of change in blood pressure with change in body mass index (BMI) and waist circumference over a follow-up period of 11.9 years. Methods: A total of 2888, 1942 and 1798 subjects in CRISPS-1 (1995-1996), CRISPS-2 (2000-2004) and CRISPS-3 (2005-2008) were included in this analysis respectively. Hypertension was defined as blood pressure ≥140/90 mm Hg or taking anti-hypertensive medication. General obesity was defined as BMI ≥27.5 kg/m2 and central obesity was defined as waist circumference ≥90 cm in men or ≥80 cm in women. Results: The prevalence of hypertension increased from 18.1% to 39.4% (P<0.001 after adjusting for age and sex). The prevalence of central obesity increased from 25.4% to 41.4%, but that of general obesity decreased from 16.8% to 14.8% (both P<0.001 after adjusting for age and sex). Among 1347 subjects who did not take any anti-hypertensive medication at both CRISPS-1 and CRISPS-3, the change in waist circumference, but not that in BMI, was associated with the changes in both systolic and diastolic blood pressures (beta=0.087, P=0.015 and beta=0.122, P<0.001 respectively). Conclusions: The increase in prevalence of hypertension might be explained by the increase in central obesity. Our findings further confirm the importance of waist circumference in this population; calculating the BMI alone may give a false sense of security. Acknowledgement: This study was funded by Hong Kong Research Grant Council grants (HKU7229/01M and HKU7626/07M) and the Sun Chieh Yeh Heart Foundation.-
dc.languageengen_US
dc.publisherHong Kong Academy of Medicine Press. The Journal's web site is located at http://www.hkmj.org.hk-
dc.relation.ispartofHong Kong Medical Journalen_US
dc.rightsHong Kong Medical Journal. Copyright © Hong Kong Academy of Medicine Press.-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleIncreasing prevalence of hypertension in Hong Kong Cardiovascular Risk Factor Prevalence Study: role of general and central obesityen_US
dc.typeConference_Paperen_US
dc.identifier.emailCheung, BMY: mycheung@hku.hken_US
dc.identifier.emailOng, KL: okl2000@hku.hken_US
dc.identifier.emailTso, AWK: awktso@hku.hken_US
dc.identifier.emailLam, TH: hrmrlth@hkucc.hku.hken_US
dc.identifier.emailLam, KSL: ksllam@hku.hken_US
dc.identifier.authorityCheung, BMY=rp01321en_US
dc.identifier.authorityTso, AWK=rp00535en_US
dc.identifier.authorityLam, TH=rp00326en_US
dc.identifier.authorityLam, KSL=rp00343en_US
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros194404en_US
dc.identifier.volume17-
dc.identifier.issue1, Suppl. 1-
dc.identifier.spage16, abstract no. 14-
dc.identifier.epage16, abstract no. 14-
dc.publisher.placeHong Kong-
dc.identifier.issnl1024-2708-

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