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Prevalence Of Hypertension And Its Impact On Birth Weight And Current Body Weight In School Children In Tehran
Sina Moradmand, Mohammad Reza Ganji, Ali Pasha Meysami, Zahra Akbari, Seyede Zoha Mirkhani, Narges Tabrizchi, Zahra Mokhtari,
Volume 5, Issue 4 (1-2012)
Abstract

Background and Aim: High blood pressure in children, especially in developing countries is growing. Birth weight, age and anthropometric parameters such as current height and weight as factors in childhood hypertension and adolescents have been considered. The objective of this study was to evaluate the prevalence of hypertension in children school and it's correlation with birth weight and current height and weight.

Materials and Methods: In a cross-sectional study, between 2006-2008 among 1195924 students in Tehran's schools, 2040 individuals were selected by multistage random sampling method. Inclusion criteria were age 6 to 19 years, physical health and having health card. The twins, students with hypertensive and smoker mothers were excluded. Statistical analysis was conducted by SPSS software version 16. The multiple regression analysis equation was used to determine the predictors of blood pressure levels.

Results: 69 students(3.4%), including 4.84% of girls and 3.5% of boys had high blood pressure(p=0.14). Significant direct correlation between age, current weight, current height, and body mass index, systolic and diastolic blood pressure was found. However, birth weight has a weak reverse linear correlation with systolic and diastolic blood pressure(respectively=-0.152 and r=-0.111, p<0.001).

Conclusion: Attention to Current size, especially Current weight with consideration to birth weight can be helpful to predict blood pressure in adulthood. This is important in monitoring the weight and blood pressure in children, especially child with an abnormal birth weight and overweight children.


Design and Psychometrics of Quality of Life Assessment Tools for Patients with Hypertension
Afzal Shamsi, Nahid Dehghan Nayeriه,
Volume 15, Issue 5 (1-2022)
Abstract
Background and Aim: Hypertension is the strongest independent and modifiable factor for heart failure, ischemic heart disease, cerebrovascular accident and chronic kidney disease worldwide, which affects the quality of life of patients. In order to accurately assess the quality of life of patients, it is necessary to design a special questionnaire consisting of different dimensions in order to provide a good view of the quality of life of these patients. The purpose of this study is “Design and psychometrics of quality of life tools for patients with hypertension.”
Materials and Methods: The present study is a methodological research that was conducted in qualitative and quantitative parts. Participants in this study were 260 patients with hypertension referring to medical centers affiliated to Tehran University of Medical Sciences (TUMS). The items were designed based on the qualitative part of the study and review of texts. The validation characteristics of the questionnaire were performed using face validity, content (qualitatively and quantitatively using two indicators CVR and CVI) and structure (with exploratory factor analysis approach). The reliability of the questionnaire was assessed by internal consistency and stability methods.
Results: In the qualitative section, 55 items were extracted, which after calculating the item impact score index with values higher than 1.5, content validity ratio greater than 0.56 and content validity index higher than 0.57, 45 items were selected. Using heuristic factor analysis, 42 items and three factors: 1) disease dominance including two subscales of physical (7 items) and psychosocial (20 items), 2) coping with the disease (12 items) and 3) compliance with Drug therapy (3 items) was found to jointly account for 53.30% of the observed variance. Cronbach’s alpha reported the internal reliability of the questionnaire as excellent, at 91%.
Conclusion: The designed questionnaire has appropriate and approved psychometric properties (validity and reliability) to measure the quality of life of patients with hypertension. Therefore, this tool is recommended for measuring the variables in Iranian patients with hypertension.

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