Prevalence of newly diagnosed hypertension and its associated factors in an opportunistic screening program in Addis Ababa, Ethiopia: an institution-based cross-sectional study.

BACKGROUND

Hypertension is a recognized risk factor that underlies the epidemic of cardiovascular diseases. Guidelines, including those from the European Society of Hypertension, recommend opportunistic screening for hypertension in all adults. However, there have been no institution-based studies on the prevalence of hypertension and its associated factors with an opportunistic screening program in Ethiopia. Hence, this study aimed to assess the prevalence of newly diagnosed hypertension and its associated factors in an opportunistic screening program in Ethiopia.

METHODS

This was an institution-based cross-sectional study conducted on adult participants in an opportunistic hypertension screening program at Yekatit 12 Hospital Medical College, Addis Ababa, Ethiopia, from November 1, 2023, to February 1, 2024. Data were collected using a structured questionnaire, constructed as per the WHO STEPwise approach to non-communicable disease risk factor surveillance (STEPS). The data was analyzed using Statistical Package for Social Sciences (SPSS), version 26. Descriptive analysis was used to compile the sociodemographic and clinical characteristics of the participants, and logistic regression analyses were performed to determine the factors associated with hypertension.

RESULTS

A total of 301 adult participants were included in this study. The mean age of the participants was 47.6 years (standard deviation: 13.5), and 62.5% were males. The prevalence of newly diagnosed hypertension was 36.2% (95% confidence interval [CI]: 5.6, 66.8). Male sex (adjusted odds ratio (AOR) = 2.06, 95% (CI): 1.05, 4.04), being married (AOR = 4.8, 95% CI: 1.84, 2.77) or widowed (AOR = 5.14, 95% CI: 1.23, 1.46), less frequent intake of vegetables and/or fruits [< 3 days per week (AOR = 2.88, 95% CI: 1.12, 7.39), and 3 to 5 days per week (AOR = 2.22, 95% CI: 1.02, 4.86)], physical inactivity (AOR = 2.26, 95% CI: 1.21, 4.22), and body mass index (AOR = 1.17, 95% CI: 1.09, 1.26), had significant associations with hypertension.

CONCLUSION

This study demonstrated a high prevalence of newly diagnosed hypertension in an opportunistic screening program in Addis Ababa, Ethiopia. It also revealed that most of the factors significantly associated with hypertension were modifiable, underscoring the importance of promoting lifestyle changes. Most importantly, expanding institution-based opportunistic screening programs could be an effective approach to maximize the detection of hypertension and improve access to its treatment.