Pre-hypertension in Uganda: a cross-sectional study

Fred Nuwaha1, Geofrey Musinguzi

  • 1Department of Disease Control and Environmental Health, School of Public Health, College of Health Sciences, Makerere University, P,O, Box 7072, Kampala, Uganda. nuwahaf@yahoo.co.uk.

Insights

Over one-third of Ugandan adults have pre-hypertension, a condition linked to cardiovascular disease risk. Key risk factors include age, male sex, smoking, alcohol, and obesity, highlighting the need for public health interventions.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • Pre-hypertension, defined as systolic blood pressure (BP) of 120 to <140 mmHg or diastolic BP of 80 to <90 mmHg, is linked to increased cardiovascular disease (CVD) risk.
  • Understanding pre-hypertension determinants is crucial for prevention and control, especially in low-income countries.

Purpose of the Study:

  • To estimate the prevalence of pre-hypertension in an adult Ugandan population.
  • To identify risk factors associated with pre-hypertension and hypertension in this population.

Main Methods:

  • A cross-sectional community survey analyzed data from 4142 adults (≥18 years) in Uganda.
  • Blood pressure was measured, and risk factors including smoking, alcohol use, weight status, physical activity, sex, age, marital status, residence, and diet were assessed.
  • Bivariate and multivariable logistic regression models were used to compare groups with normotension, pre-hypertension, and hypertension.

Main Results:

  • The age-standardized prevalence was: normal BP 37.6%, pre-hypertension 33.9%, and hypertension 28.5%. Raised blood pressure affected 62% of the population.
  • Pre-hypertension was more prevalent in men (41.6%) than women (29.4%).
  • Risk factors for pre-hypertension included age ≥40 years, smoking, alcohol consumption, not being married, male sex, and overweight/obesity. Hypertension risk increased with age, inactivity, urban residence, and overweight/obesity.

Conclusions:

  • More than one in three adults in the surveyed Ugandan population exhibited pre-hypertension.
  • The findings underscore the urgent need for preventive and public health strategies to mitigate the prevalence of raised blood pressure.
Abstract

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