Featured Research

from universities, journals, and other organizations

Overweight American children and adolescents becoming fatter

Date:
August 19, 2010
Source:
Johns Hopkins University Bloomberg School of Public Health
Summary:
Overweight American children and adolescents have become fatter over the last decade, according to a new study that found adiposity shifts across sociodemographic groups over time and found US children and adolescents had significantly increased adiposity measures such as body mass index, waist circumference and triceps skinfold thickness. The increases in adiposity were more pronounced in some sex-ethnic groups such as black girls.

Overweight American children and adolescents have become fatter over the last decade, according to researchers at the Johns Hopkins Bloomberg School of Public Health and National Institute on Aging (NIA). They examined adiposity shifts across socio-demographic groups over time and found U.S. children and adolescents had significantly increased adiposity measures such as body mass index (BMI), waist circumference (WC) and triceps skinfold thickness (TST).

The increases in adiposity were more pronounced in some sex-ethnic groups such as black girls. In addition, these groups gained more abdominal fat over time, which was indicated by waist size and posed greater health risks than elevated BMI. Their results are featured in the August 2010 issue of the International Journal of Pediatric Obesity.

"Our analysis shows that the increase in adiposity among U.S. children and adolescents was unequally distributed across socio-demographic groups and across the spectrum of BMI, waist circumference and triceps skinfold thickness measures," said Youfa Wang, MD, PhD, senior author of the study and an associate professor in the Bloomberg School's Department of International Health. "Heavier children and adolescents gained more adiposity, especially waist size, and these findings were most significant among children ages 6 to 11. Ethnic disparities in mean BMI have also increased substantially when comparing black girls with their white counterparts for all ages combined. Solely examining the changes in the prevalence of overweight and obesity based on fixed BMI cut points could not gain such important insights regarding shifts in the obesity epidemic."

To examine these changes over time, researchers conducted a comprehensive analysis of nationally representative survey data collected from the National Health and Nutrition Examination Survey (NHANES) since the late 1980s. They examined the changes in American boys and girls ages 2 to 19, as well as by ethnic groups at the population level.

"Our research suggests that U.S. young people may be at greater obesity-related risks than what was revealed by increases in BMI, as waist circumference is a better predictor of future health risks, such as for type 2 diabetes and heart disease in adults," said May A. Beydoun, PhD, staff scientist, National Institute on Aging, HIH/IRP, and a former postdoctoral fellow in the Bloomberg School's Department of International Health. "More vigorous efforts should be made to understand the underlying causes. Moving forward, this could help guide future population-based interventions including those focusing on the total population and those targeting vulnerable or genetically susceptible groups."

This research was supported by the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) and the National Institute on Aging (NIA).


Story Source:

The above story is based on materials provided by Johns Hopkins University Bloomberg School of Public Health. Note: Materials may be edited for content and length.


Journal Reference:

  1. May A. Beydoun and Youfa Wang. Socio-demographic disparities in distribution shifts over time in various adiposity measures among American children and adolescents: What changes in prevalence rates could not reveal. International Journal of Pediatric Obesity, August 2010

Cite This Page:

Johns Hopkins University Bloomberg School of Public Health. "Overweight American children and adolescents becoming fatter." ScienceDaily. ScienceDaily, 19 August 2010. <www.sciencedaily.com/releases/2010/08/100818112713.htm>.
Johns Hopkins University Bloomberg School of Public Health. (2010, August 19). Overweight American children and adolescents becoming fatter. ScienceDaily. Retrieved October 22, 2014 from www.sciencedaily.com/releases/2010/08/100818112713.htm
Johns Hopkins University Bloomberg School of Public Health. "Overweight American children and adolescents becoming fatter." ScienceDaily. www.sciencedaily.com/releases/2010/08/100818112713.htm (accessed October 22, 2014).

Share This



More Health & Medicine News

Wednesday, October 22, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

CDC Revamps Ebola Guidelines After Criticism

CDC Revamps Ebola Guidelines After Criticism

Newsy (Oct. 21, 2014) The Centers for Disease Control and Prevention have issued new protocols for healthcare workers interacting with Ebola patients. Video provided by Newsy
Powered by NewsLook.com
WHO: Ebola Vaccine Trials to Start a in January

WHO: Ebola Vaccine Trials to Start a in January

AP (Oct. 21, 2014) Tens of thousands of doses of experimental Ebola vaccines could be available for "real-world" testing in West Africa as soon as January as long as they are deemed safe in soon to start trials, the World Health Organization said Tuesday. (Oct. 21) Video provided by AP
Powered by NewsLook.com
First-Of-Its-Kind Treatment Gives Man Ability To Walk Again

First-Of-Its-Kind Treatment Gives Man Ability To Walk Again

Newsy (Oct. 21, 2014) A medical team has for the first time given a man the ability to walk again after transplanting cells from his brain onto his severed spinal cord. Video provided by Newsy
Powered by NewsLook.com
CDC Issues New Ebola Guidelines for Health Workers

CDC Issues New Ebola Guidelines for Health Workers

Reuters - US Online Video (Oct. 21, 2014) The U.S. Centers for Disease Control and Prevention has set up new guidelines for health workers taking care of patients infected with Ebola. Linda So reports. Video provided by Reuters
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins