miércoles, 20 de noviembre de 2013

Heart-healthy lifestyles can spread through social networks | American Heart Association

Heart-healthy lifestyles can spread through social networks | American Heart Association

11/18/2013 05:39 PM EST

Source: American Heart Association
Related MedlinePlus Page: Heart Diseases--Prevention

Heart-healthy lifestyles can spread through social networks

American Heart Association Late-Breaking Clinical Trial Report LBCT 2/Abstract: 19677 (Ballrooms C1&C2)

Study Highlight:
  • Family members who tried to improve their health together had better success than those who went at it alone.
 Embargoed until 9 a.m. CT /10 a.m. ET Monday, Nov. 18, 2013
Study authors will participate in an embargoed advanced interview opportunity at 3:15 p.m. Sun., Nov. 17.
DALLAS, Nov. 18, 2013 — Heart-healthy lifestyles can be contagious to your family and friends.
In a late-breaking clinical trial presented at the American Heart Association’s Scientific Sessions 2013, people in social networks who received an intervention to tackle their weight problems together lost an average 6½ pounds more and trimmed an extra 1¼ inches from their waists compared with those who received standard individual care. In addition to weight and waistline benefits, the social network intervention also saw 4 to 5 mmHg drops in systolic and diastolic blood pressure. Benefits lasted beyond the 10 month program up to even 6 months after.
Researchers with the Randomized Trial of Social Network Lifestyle Intervention for Obesity assigned groups of two to eight friends and family members per group into ‘microclinic’ social network clusters to attend weekly social and health activity sessions focused on physical activity, nutrition, and health education for 10 months in rural Kentucky, where medical care is limited and rates of obesity, diabetes and heart disease are high.
Among the 552 participants — 85.8 percent women and an average 51 years old — about 80 percent were obese. Average body mass index at enrollment was 36.2, regarded as morbidly obese.
The 10 month study with 16 month follow-up was the first rigorous long term randomized trial in the United States to test a concept of a ‘microclinic’ health contagion model of social networks (first demonstrated in Jordan and the West Bank and developed by co-lead author Daniel Zoughbie, D. Phil.) that taps into the power of social networks to improve and promote health in people at risk for chronic diseases.
“Leveraging the social network and peer influences and social networks for support may be important for fighting obesity,” said Eric L. Ding, Sc.D., lead author, epidemiologist and nutritionist at Harvard School of Public Health, and Director of Epidemiology at Microclinic International. “We need to focus on more than the individual obese patient in isolation, and look to family and friend networks and the communities where people live.”
Clusters of friends and family can help both establish and spread healthy norms, such as regularly checking weight and blood sugar (if diabetic), exercising, watching calories, and eating fresh fruits and vegetables, he said.
In a subgroup retested at 16 months, a substantial majority of the decrease in weight, waist size, and blood pressure were maintained.
“Most weight loss programs do not have sustained weight loss beyond one year,” said Ding, who is also a research faculty in the Department of Nutrition at the Harvard School of Public Health.
Zoughbie added, “Given the long-term sustained weight loss, we believe participants achieved sustained the health benefits after the program was over due to the strength of the Microclinic Behavorial Health Program in leveraging the power of their social network.”
Additional co-authors are Marta R. Prescott, Ph.D.; Kathleen T. Watson, B.A.; Nancy Bui, M.P.H.; Leila Makarechi, M.P.A.; Leslie Lang, J.D., Disclosures
Microclinic International conducted the study, funded by contributions from Humana, the Mulago Foundation and the Goldsmith Foundation.
Dr. Ding is supported by an American Heart Association Scientist Development Grant.
For more information about weight management, visit Heart.org/Weight.
For more news from AHA Scientific Sessions 2013, follow @HeartNews #AHA13 on Twitter.
Statements and conclusions of study authors that are presented at American Heart Association scientific meetings are solely those of the study authors and do not necessarily reflect association policy or position. The association makes no representation or warranty as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations are available at www.heart.org/corporatefunding.
Note: Actual presentation is 9:22 a.m. CT/10:22 a.m. ET Monday, Nov. 18, 2013, Ballrooms C1&C2.
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at the Dallas Convention Center: (214) 853-8008
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