But at other places, the report seemed to call for serious research to evaluate both the positive and the potential negative effects of food assistance programs. On food stamps, the report concludes, "The published research on Food Stamps indicates there is some association between program participation and overweight/obesity; but there is no evidence of causality." The report does not endorse random assignment research designs (whereas I have favored ethical random assignment designs), but instead recommends strong longitudinal research designs (which I think could be adequate if done well). It offers astute observations on the potential for making use of recent policy variations, such as the institution of food stamp outreach efforts, to better control for selection bias. I hope something comes of it.The panel concluded that to be able to determine the relationship between obesity and food assistance program participation, it is necessary to consider the difficulties and complexity of separating the effects of poverty from the potential effects of food assistance on any health or social outcome including obesity. The challenge is in controlling for the effects of poverty, which is highly correlated with program participation. Because of the strength of the existing research on this point, it is imperative that this established association be presented as the first point in their consensus statement.
Monday, February 28, 2005
USDA report raises issue of food programs and obesity
USDA's Food and Nutrition Service this month published a substantial report about food assistance programs and obesity. At times, the genuine difficulty of this delicate issue seemed to tie the writers into knots. Here is the first main conclusion (bold in the original):
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What do you think about adding an an educational component to the food stamp program; or perhaps placing restrictions on the types of foods you can purchase with food stamps? Perhaps something along the lines of WIC. I believe that food stamps would have a better public image if there were; you hear a lot of anecdotes and complaints about people paying for snack and convenience foods with food stamps. EBT cards make food stamp users less conspicuous, but there's still a stigma. Many young people today grow up in homes where take out and convenience food are the rule, and family meals are rare. They do not know how to plan, shop for, and cook a weeks worth of healthy meals.
Good points. Optional food stamp nutrition education at present is fairly noncontroversial, and has been growing in recent years. What would be more controversial would be to make it mandatory. Here is a good link for info on food stamp nutrition education:
http://www.ers.usda.gov/Briefing/FoodStamps/fsne.htm
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