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An intervention that focuses on weight control rather than weight loss works better for socioeconomically disadvantaged black women in preventing weight gain, researchers from Duke University reported in JAMA Internal Medicine.
The authors explained that encouraging African-American women to lose weight has generally been ineffective.
As background information, the investigators wrote "black women have higher rates of body weight satisfaction, fewer social pressures to lose weight, and sociocultural norms that tolerate heavier body weights."
Principal investigator, Gary G. Bennett, Ph.D., said that new weight management strategies are necessary for black women from low-income households.
Dr. Bennett and team carried out a clinical trial (the Shape Program) to compare what effect either behavioral weight gain prevention intervention or usual care might have on the weight and cardiometabolic risk of African-American women.
The intervention included self-monitoring once a week via interactive voice response calls, as well as counseling calls, a one-year gym membership, and tailored skills training materials.
The trial involved 194 premenopausal African-American women aged from 25 to 44 years. Their BMIs (body mass indexes) ranged from 25 to 34.9 (overweight to class 1 obese).
The authors wrote "We explicitly informed participants that Shape was not a weight loss trial. We did not expect participants to be motivated to lose weight. Instead, we informed participants that Shape was an approach designed to improve their overall well-being and to maintain their current body shape."
At the end of twelve months:
By the end of 18 months, the women in the intervention program had lost an average of 3.7 pounds (1.7 kg) .
The researchers did not observe any difference between the treatment groups in lipid levels, blood glucose, blood pressure, blood pressure control or waist circumference.
The team concluded:
"It is clear that new treatment approaches, such as weight gain prevention, are necessary to contend with the considerable challenge of obesity in this population."
Dr. Amy J. McMichael, from Wake Forest University wrote in JAMA that the main reason many African-American women don't do exercise is because of hair care and maintenance.
Dr. McMichael commented that many of her female African-American patients were overweight. According to the US Department of Health and Human Services' Office of Minority Health, four in every five African-American women are overweight.
Dr. McMichael said "I treat a lot of African American women in our clinic and had noticed how many of them are overweight, and I wanted to know why. I'm treating them for dermatology related issues, but as a doctor this was even more concerning because excess weight puts these women at risk for hypertension, diabetes and other serious problems."
In Dr. McMichael's study, she discovered that many African-American women use chemical products or heat straighteners to straighten their hair, resulting in very fragile hair. Overwashing fragile hair makes it break off more easily, which is why many cannot easily wash their hair after exercise, and avoid it altogether.
Written by Christian Nordqvist
Copyright: Medical News Today
Not to be reproduced without the permission of Medical News Today.
"Behavioral Treatment for Weight Gain Prevention Among Black Women in Primary Care Practice: A Randomized Clinical Trial"
Gary G. Bennett, PhD; Perry Foley, MPH, MSW; Erica Levine, BA, MPH; Jessica Whiteley, PhD; Sandy Askew, MPH; Dori M. Steinberg, PhD, RD, MPH; Bryan Batch, MD; Mary L. Greaney, PhD; Heather Miranda, RD, LDN; Thomas H. Wroth, MD, MPH; Marni Gwyther Holder, MSN, FNP-BC; Karen M. Emmons, PhD; Elaine Puleo, PhD
JAMA Intern Med. Published online August 26, 2013. doi:10.1001/jamainternmed.2013.7776.
Visit our Women's Health / Gynecology category page for the latest news on this subject.
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