Utility of Waist-To-Height Ratio in Detecting Central Obesity and Related Adverse Cardiovascular Risk Profile Among Normal Weight Younger Adults (from the Bogalusa Heart Study)
ABSTRACT Data on the utility of the waist-to-height ratio in detecting central obesity and related cardiovascular risk among normal weight younger adults are scant. This aspect was examined in 639 normal weight (body mass index 18.5 to 24.9 kg/m(2)) black and white adults (75% white and 36% men) 20 to 44 years old. The subjects with a waist-to-height ratio > or =0.5 were grouped as having central obesity normal weight, with the rest considered the control group. The subjects with central obesity, compared to the controls, after adjusting for age, race, and gender, had significantly greater diastolic blood pressure, mean arterial pressure, low-density lipoprotein cholesterol level, triglycerides, triglycerides/high-density lipoprotein cholesterol ratio, insulin, homeostasis model assessment of insulin resistance, uric acid, C-reactive protein, and liver function enzymes (alanine aminotransferase and gamma-glutamyl transferase). On multivariate analysis, the central obesity group compared to the control group was 1.9, 2.2, 2.9, and 2.5 times more likely to have significantly adverse levels (top tertile vs the rest) of mean arterial pressure, triglycerides/high-density lipoprotein cholesterol ratio, homeostasis model assessment of insulin resistance, and C-reactive protein, respectively. The central obesity group also had a greater prevalence of dyslipidemia, hypertension, insulin resistance, hyperuricemia, and elevated C-reactive protein. The age-, race-, and gender-adjusted mean value of the common carotid intima-media thickness, a measure of subclinical atherosclerosis, was greater in the central obesity group compared to the control group (0.76 vs 0.71 mm, p = 0.009). In conclusion, these findings underscore the utility of the waist-to-height ratio in detecting central obesity and related adverse cardiovascular risk among normal weight younger adults.
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ABSTRACT: Introduction: Several studies have demonstrated Hibiscus sabdariffa L administration effects on weight reduction in experimental models. The aim of this study was to evaluate the administration of an aqueous infusion prepared from calyxes Hibiscus sabdariffa L on body mass index, appetite and satiety in type I obese individuals. Materials and Methods: 30 adults with obesity type 1 were randomly assigned to receive an infusion of Hibiscus sabdariffa L or placebo during 3 weeks twice daily. Ponderal evaluation was performed using BMI and the effect of administration of treatment/placebo on appetite and satiety sensation was assessed by visual analog scale (VAS). Qualitative variables were expressed as absolute and relative frequencies and continuous variables as mean ± SD. Student´s t test was performed for differences between means and intragroup comparisons according time (week 1, 2 and 3) was assessed by repeated measures ANOVA´s test (GLM). Results: The individuals treated with Hibiscus sabdariffa L infusion exhibited a significant BMI reduction when compared with those receiving placebo. No significant differences were found in appetite and satiety between placebo andHibiscus-treated group in any week studied Conclusions: We demonstrated a short-term reduction in BMI by Hibiscus sabdariffa aqueous infusion administration in type I obesity individuals not related to appetite or satiety changes. A possible thermogenic effect could explain this weight reduction Keywords: Hibiscus sabdariffa, obesity, body mass index, satiety, appetite.Archivos Venezolanos de Farmacologia y Terapeutica 11/2013; 32(4):34.
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ABSTRACT: Ethnic differences in obesity prevalence have been reported. We examined ethnic differences in general and abdominal fat distribution in school-age children and the influence of parental prepregnancy, pregnancy, and childhood factors on these differences.Annals of Nutrition and Metabolism 01/2014; 64(3-4):208-17. DOI:10.1159/000365022 · 2.75 Impact Factor
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ABSTRACT: Aim: to assess the prevalence of overweight and obesity in Spanish adults and to know the current situation and its evolution in the last years. Material and methods: The study involved 418 subjects (196 men and 222 women) from 18 to 60 years, who were selected to constitute a representative sample of the Spanish population as a whole. Sanitary, socioeconomic and anthropometric (weight, height, waist circumference and percentage body fat by bioimpedance) data was collected. Body Mass Index and waist-height were ratio calculated. Results: The prevalence of overweight was 34.2%, 43.9% in men and 25.7% in women, and the prevalence of obesity was 13.6% (it was similar in men and women). 47.8% of the population had excess of body weight and 70.2% excess of body fat, these parameters were higher in men than in women and they increased with age. 22.2% of the population had central obesity (taking waist circunference as reference) and 54.7% central obesity and high cardiovascular risk (because waist/height was > 0.5), both parameters were higher in men than in women. Conclusion: Overweight and obesity prevalence among the Spanish population is very high and more than the half of the population is in risk of suffering from cardiovascular disease. Furthermore, the situation is worse than a few years ago, so it is necessary to continue working to decrease the prevalence of overweight and obesity among the Spanish population.Nutricion hospitalaria: organo oficial de la Sociedad Espanola de Nutricion Parenteral y Enteral 04/2011; 26(2):355-363. · 1.25 Impact Factor