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Association between obesity and hypertension in south Indian patients
Insights
Obesity significantly increases the risk of developing hypertension in adults over 40. This study found a fourfold increased odds of hypertension among obese individuals, highlighting nutrition
Area of Science:
- Public Health
- Cardiovascular Epidemiology
- Nutritional Science
Background:
- Hypertension is a major global health concern, affecting a significant portion of the adult population.
- Obesity is increasingly recognized as a critical risk factor for various non-communicable diseases, including hypertension.
- Understanding the specific relationship between nutritional status and hypertension risk is crucial for targeted public health interventions.
Purpose of the Study:
- To investigate the association between nutritional status, specifically obesity, and the prevalence of newly diagnosed hypertension.
- To determine the odds ratio of hypertension in relation to different body mass index categories.
Main Methods:
- A case-control study was conducted involving 244 newly diagnosed hypertensive patients (cases) and 312 normotensive individuals (controls).
- Participants were aged 40 years and above and recruited from a government general hospital.
- Nutritional status was categorized into underweight/normal, overweight, and obese groups.
Main Results:
- A strong association was observed between obesity and hypertension, with an overall odds ratio of 4.
- The proportion of hypertension cases increased significantly with higher grades of nutrition: 37% (underweight/normal), 63% (overweight), and 75% (obese).
- Despite low overall proportions of obesity (7.4% in cases vs. 1.9% in controls), the association remained statistically significant.
Conclusions:
- Obesity is a significant risk factor for hypertension in adults aged 40 and above.
- There is a clear dose-response relationship between increasing nutritional grades (overweight to obese) and the likelihood of developing hypertension.
- Public health strategies should focus on weight management and nutritional counseling to prevent and control hypertension.
Abstract:
Two hundred and forty four newly diagnosed hypertensives (cases) of age 40 years and above, attending the hypertensive clinic of the Government General Hospital during one year and three hundred and twelve normotensives (controls) belonging to the same age group and attending the outpatient department during the same period for other minor ailments formed the subjects for this case control study. There were 18 (7.4%) obese subjects among hypertensives and 6 (1.9%) among controls. In spite of these low proportions, there was a strong association between obesity and hypertension with an overall odds ratio of 4 and there appeared to be a significant increasing trend in the proportion of cases of hypertension (37%, 63%, 75%) observed according to the different grades (underweight or normal, overweight, obese) of nutrition.