Prevalence of Overweight and Obesity in the United States, 1999-2004

Ogden, Cynthia L.; Carroll, Margaret D.; Curtin, Lester R.; McDowell, Margaret; Tabak, Carolyn J.; Flegal, Katherine M.

doi:10.1001/jama.295.13.1549

Cited by 7,879 publications

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“…2 More recent data continued to demonstrate an increase in the prevalence of obesity in children, adolescents, and adults between 1999 and 2004 in the United States. 3 Epidemiological data on obesity in Asia are comparatively less complete, and Gu et al 4 reported the age-standardized prevalence of overweight (BMIX25.0) to be 26.9% (25.7-28.1) in men and 31.1% (29.7-32.5) in women in China. In Hong Kong, 39.2% of the population was found to be obese (BMI X25.0).…”

Section: Introductionmentioning

confidence: 99%

Body mass index, physical activity and erectile dysfunction: An U-shaped relationship from population-based study

Cheng

2007

Int J Obes

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Objective: To investigate the relationships between body mass index (BMI), physical activity and erectile dysfunction (ED). Design and subjects: A population representative cross-sectional analytic study of ED in Hong Kong, with two-stage stratified random sampling, and face-to-face interviews conducted by trained interviewers with structured questionnaires. Study subjects were 1506 men aged 26-70. Results: Age (odds ratio (OR) ¼ 1.30; 95% confidence interval (CI) 1.20-1.40), physical activity (OR ¼ 0.91 per 500 kcal/week; 95% CI 0.84-0.98), and general psychological distress (OR ¼ 1.03 per GHQ score; 95% CI 1.00-1.06) were independently associated with ED after multivariate adjustments. An U-shaped relationship between BMI and ED was observed only among men with no exercise (oonce/week): BMI o18.5 (OR ¼ 2.99; 95% CI 1.01-8.86), 18.5-19.9 (OR ¼ 2.66; 95% CI 1.04-6.79), 20.0-20.9 (OR ¼ 1.37; 95% CI 0.49-3.79), 22.0-22.9 (OR ¼ 1.36; 95% CI 0.58-3.17), 23.0-24.9 (OR ¼ 1.66; 95% CI 0.70-3.93), X25.0 (OR ¼ 2.47; 95% CI 1.08-5.67) using BMI 21.0-21.9 as reference, adjusted for age, GHQ and smoking status. Being physically active (X1000 kcal/week) only reduced the risk of ED (OR ¼ 0.40, 95% CI 0.16-0.95) in men who were obese, adjusted for age, GHQ, smoking status and BMI. Conclusions: BMI and physical activity independently and differentially affected ED risk. BMI had greatest influence with low physical activity, and physical activity exerted greatest influence when BMI was high. This is the first study to demonstrate an U-shaped relationship between BMI and ED risk, but only in men with no exercise, and to identify underweight as a risk factor for ED. This relationship has clinical implications for obese as well as underweight individuals.

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Section: Introductionmentioning

confidence: 99%

Body mass index, physical activity and erectile dysfunction: An U-shaped relationship from population-based study

Cheng

2007

Int J Obes

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“…4 Genetic and environmental factors are of importance for the development of obesity and T2D, as higher prevalences are found in certain ethnic groups and are associated with lower socioeconomic status. [5][6][7] In 15-to 19-year-old Pima Indians from Arizona, 5.1% were diagnosed with T2D, 8 and in a US cohort of eighth-grade students, who were predominantly minority, the prevalence of impaired glucose regulation and T2D reached 440%. 9 For most European countries, population-based data on T2D prevalence in youth are not available, so that it is currently unknown whether the situation is similarly alarming in Europe.…”

Section: Introductionmentioning

confidence: 99%

Prevalence of impaired glucose regulation in German school-leaving students

et al. 2007

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The increase in prevalence of obesity in childhood and adolescence appears to be followed by a rise of type 2 diabetes (T2D) cases in youth. Studies from the United States indicated that more than 1 in 10 adolescents may have disturbed glucose metabolism and that ethnicity and socioeconomic status are major determinants of (pre) diabetes prevalence. Since data for European countries are rare, we conducted a cross-sectional survey in 721 school-leaving boys and girls (mean age 15.5 years) in Düsseldorf (Germany). In our population from a predominantly low socioeconomic background, a total of 2.5% had impaired fasting glucose, impaired glucose tolerance or T2D.

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“…However the recent increase in the rate of overweight and obesity, up to two thirds of the US population, may diminish the favorable effect of recent improvements in the diagnosis and treatment of CAD (2)(3)(4).…”

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confidence: 99%

“…However, direct measures of region-specific adipose tissue are superior to estimated overall adiposity for the identification and management of high-risk individuals (2)(3)(4)9).…”

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confidence: 99%