Thursday, October 20, 2011
Moving Poor Women to Less Poor Neighborhoods Improves Health
Low-income women with children who move from high-poverty to lower-poverty neighborhoods experience notable long-term improvements in some aspects of their health, namely reductions in diabetes and extreme obesity, according to a new study by researchers at the University of Chicago and partner institutions.
The study was the first to employ a randomized experimental design — akin to a randomized clinical trial used to test the efficacy of new drugs — to learn about the connections between neighborhood poverty and health. The study was published Oct. 20 in the New England Journal of Medicine in a special article, “Neighborhoods, Obesity and Diabetes — A Randomized Social Experiment.” The lead author for the collaboration was Jens Ludwig, the McCormick Foundation Professor of Social Service Administration, Law and Public Policy at UChicago.
For the study, Ludwig and a team of scholars from around the country studied 4,498 poor women and children, who from 1994 to 1998, enrolled in a residential mobility program called Moving to Opportunity. The U.S. Department of Housing and Urban Development operated MTO in five United States cities — Baltimore, Boston, Chicago, Los Angeles and New York.
The MTO program enrolled low-income families with children living in distressed public housing. Families volunteered for the experiment, and based on the results of a random lottery, were offered the chance to use a housing voucher subsidy to move into a lower-poverty community. Other families were randomly assigned to a control group that received no special assistance under the program.
The study collected information during 2008-10 on families who had enrolled in the program 10 to 15 years before. The research team directly measured the heights and weights of MTO participants, and it also collected blood samples to test for diabetes.
At the time of follow-up, 17 percent of the women in the study’s control group were morbidly obese (body mass index at or above 40), and 20 percent had diabetes. However, in the group of women who were offered housing vouchers to move to lower-poverty neighborhoods, the rates of morbid obesity and diabetes were both about one fifth lower than in the control group. “These findings provide strong evidence that the environments in low-income neighborhoods can contribute to poor health,” said Ludwig.
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