Hypertension and prehypertension among adolescents in secondary schools in Enugu, South East Nigeria

Abstract

Background: Hypertension is a prevalent cardiovascular disease risk factor among blacks and adolescent hypertension can progress into adulthood. Objective. To determine the prevalence of hypertension and prehypertension among secondary school adolescents in Enugu South East Nigeria. Methodology. A study of 2694 adolescents aged 10-18 years in Enugu metropolis was carried out. Socio-demographic profile anthropometric and blood pressure readings were obtained. Derived measurements such as Prehypertension, hypertension and BMI were obtained. Results: The results showed that the mean systolic blood pressure and diastolic blood pressure for males were 106.66+ 11.80 mmHg and 70.25 + 7.34 mmHg respectively. The mean SBP and DBP for females were 109.83+ 11.66 mmHg and 72.23 + 8.26 mmHg respectively (p < 0.01). Blood pressure was found to increase with age. Prevalence of hypertension and prehypertension was 5.4% and 17.3% respectively with a higher rate in females (6.9%) than males (3.8%). Prevalence of prehypertension among males and females were 14.3% and 20.1% respectively. The prevalence of obesity was 1.9%. Conclusion: Modifiable risk factors exist among adolescents. Early lifestyle modification and a strengthened school health are recommended. © 2013 Ujunwa et al.; licensee BioMed Central Ltd.