alexa Prevalence and Correlates of Hypertension among Adults Aged 25 Years or Older in a Mining Town of Kitwe, Zambia | OMICS International | Abstract
ISSN: 2167-1095

Journal of Hypertension: Open Access
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Research Article

Prevalence and Correlates of Hypertension among Adults Aged 25 Years or Older in a Mining Town of Kitwe, Zambia

Seter Siziya1*, Emmanuel Rudatsikira2, Olusegun Babaniyi3, Peter Songolo3, David Mulenga1 and Adamson S Muula4

1Department of Clinical Sciences, Public Health Unit, Copperbelt University, Ndola, Zambia

2School of Health Professions, Andrews University, Berrien Springs, Michigan, United States

3World Health Organization Country Office, Lusaka, Zambia

4Department of Community Health, University of Malawi, College of Medicine, Blantyre, Malawi

*Corresponding Author:
Seter Siziya
Department of Clinical Sciences
Public Health Unit
Copperbelt University
Ndola, Zambia
Tel: +260955752646
Fax: +260212618511
E-mail: [email protected]

Received Date: March 20, 2012; Accepted Date: July 09, 2012; Published Date: July 12, 2012

Citation: Siziya S, Rudatsikira E, Babaniyi O, Songolo P, Mulenga D, et al. (2012) Prevalence and Correlates of Hypertension among Adults Aged 25 Years or Older in a Mining Town of Kitwe, Zambia. J Hypertens 1:105. doi: 10.4172/2167-1095.1000105

Copyright: © 2012 Siziya S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Background: Hypertension is a major risk factor for cardiovascular disease. The trend towards a higher burden of non-communicable chronic diseases in developing countries is of great concern as it adds to the burden of communicable diseases. The aim of this study was to estimate the prevalence and correlates of hypertension among adults in the City of Kitwe, Zambia.
Methods: A modified WHO STEPs (STEPwise Approach to Surveillance) method was used to collect data through a community-based survey among persons aged 25 years or older living in urban Kitwe, Zambia. Prevalence of hypertension was estimated and compared between males and females. Odds ratio (OR) and adjusted odds ratio (AOR) and their 95% confidence intervals were used to establish associations between exposure factors and hypertension.
Results: Altogether, 1627 persons participated in the survey of which 57.7% were females. Overall, 32.3% (33.5% of males and 31.1% of females, p=0.350) were hypertensive. Age and body mass index were significantly associated with hypertension. Compared to participants who were of age 45 years or older, participants who were below the age of 45 years were less likely to have hypertension (AOR=0.53, 95% CI [0.45, 0.62]) for 25-34 years age group, and AOR=0.61, 95% CI [0.50, 0.74]) for 35-44 years age group). Participants who had BMI of less than 18.5 kg/m2 were 50% (AOR=0.50, 95% CI [0.32, 0.77]) less likely to have hypertension compared to participants who had BMI of 30 kg/m2 or more. Meanwhile, participants who had BMI of 25.0-29.9 kg/m2 were 33% (AOR=1.33, 95% CI [1.05, 1.69] more likely to have hypertension compared to participants who had BMI of 30 kg/m2 or more.
Conclusions: Our findings indicate that hypertension is prevalent among urban residents in Kitwe, Zambia.
Effective prevention strategies including interventions to ensure lower BMIs, should be implemented, taking into considerations the risk factors identified in this study.

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