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Isolated Systolic Hypertension and Its Associated Risk Factors in Iranian Middle Age and Older Population: A Population-Based Study Publisher Pubmed



Hosseinzadeh A1 ; Ebrahimi H2 ; Khosravi A1 ; Emamian MH3 ; Hashemi H4 ; Fotouhi A5
Authors
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Authors Affiliations
  1. 1. Department of Epidemiology, School of Public Health, Shahroud University of Medical Sciences, Shahroud, Iran
  2. 2. Randomized Controlled Trial Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
  3. 3. Ophthalmic Epidemiology Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
  4. 4. Noor Ophthalmology Research Center, Noor Eye Hospital, Tehran, Iran
  5. 5. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, PO Box: 14155-6446, Tehran, Iran

Source: BMC Cardiovascular Disorders Published:2022


Abstract

Background: Isolated systolic hypertension (ISH), is the most common form of hypertension in older adults. However, the ISH prevalence is not well known in many developing countries such as Iran. This study was conducted to determine the ISH prevalence and its related risk factors in an Iranian population. Methods: Data were obtained from the second phase of the Shahroud eye cohort study (ShECS) in 2014. ShECS is a longitudinal population-based study which the first phase had been conducted in 2009 using the stratified multistage cluster sampling design on 5190 people aged 40 to 70 years. The ISH prevalence was determined based on the eighth Joint National Commission guidelines for different demographic variables. The associated risk factors were estimated by multiple logistic regression and a two-tailed p-value less than 0.05 was considered significant. Results: The ISH prevalence was 15.89% (95% CI: 14.88–16.96). It was 15.68% (14.12–17.39) and 15.87% (14.54–17.29) for men and women, respectively. The prevalence of ISH increased significantly with increasing age. The 65–70 compared to 45–69 year age group (OR = 4.21), body mass index (OR = 1.03), diabetes (OR = 1.64), retirement, compared to practitioner job (OR = 1.53), and waist to hip ratio (WHR) (OR = 9.81) were significantly associated with ISH prevalence. Conclusions: ISH is highly prevalent among the older adult population in Iran. Given the risk of cardiovascular disease associated with ISH, it is recommended to conduct education and public health interventions to improve the detection, prevention, and treatment of ISH. © 2022, The Author(s).
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