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n Medical Technology SA - The coexistence of hyperglycaemia with hypertension in a rural black community of the Limpopo Province : is obesity an interconnecting parameter? : peer reviewed original article
Introduction Diabetes mellitus, hypertension (HTN) and obesity have emerged as major medical and public health issues worldwide. These three metabolic conditions together account for 24% of the global risk of mortality.
Purpose The purpose of the study was to establish whether hyperglycaemia coexists with HTN and whether obesity is an interconnecting parameter.
Methods Empirical, cross-sectional, quantitative and community-based study. The sample consisted of 286 females and 96 males aged 18-65 years, randomly selected. Fasting blood samples were analysed for glucose using the ILab 300 Plus Chemistry System Analyser. Blood pressure was measured using the Omron MI-5 device. Weight and height were measured using a weighing scale and the Seca telescopic height-measuring rod, respectively. Body mass index was calculated from weight and height. Statistical analysis was done using the Statistical Package for Social Sciences version 21.0. Cross-tabs, student t-test, chi-squared, logistic regression, means and percentages were statistics used to obtain and express the results.
Results Participants characteristic means were significantly higher in females than in males, except for systolic blood pressure. Obesity prevalence rate was significantly higher in females than in males (p=0.001). Obesity prevalence rates in hyperglycaemia-hypertension coexistence: 60% for overall; 69.3% for females; 0.0% for males and the p values for prevalence rate difference between coexistence and non-coexistence were: overall =0.03; females =0.04 and 1.00 for males. Obesity and age were significant predictors of hyperglycaemia-hypertension coexistence (obesity: OR=4.90; p= 0.003 in bivariate and OR=3.67; p=018 in the multivariate; age: OR=1.05; p=0.004 in bivariate; OR=1.05; p=0.012 in multivariate). In females, obesity, hyperglycaemia and hypertension prevalence rates increased fairly with age, than was in males.
Conclusion The study indicated high metabolic disorders in the Ga-Mothapo rural community. Hyperglycaemia coexisted appreciably with HTN. Obesity was indicated to be an interconnecting parameter for the coexistence.
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