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Member Research and Reports

Member Research and Reports

Temple: Poor Health Insurance Coverage is Likely Barrier to Effective Obesity Treatment

One out of every three American adults has obesity, defined as a Body Mass Index (BMI) greater than 30. About one in 13 American adults has extreme obesity and weighs 100 pounds more than their recommended body weight, leaving them with a BMI of 40 or greater.  And yet, only 1 percent of the patients eligible for bariatric surgery, considered to be the most effective treatment for obesity, actually undergo the surgery each year. Prior research has explored sociocultural factors that could contribute to this underutilization, but according to a review authored by Hamlet Gasoyan, a doctoral student in the Department of Health Services Administration and Policy at Temple University’s College of Public Health, limited financial means or poor health insurance coverage are likely considerable barriers to receiving this life-changing surgery.

In a literature review on bariatric surgery and insurance coverage, published online and currently in press with Surgery for Obesity and Related Diseases, Gasoyan and co-authors Dr. Michael T. Halpern, Dr. David B. Sarwer and Dr. Gabriel S. Tajeu found that for one specific subpopulation—individuals with extreme obesity and Type 2 diabetes—access to bariatric surgery would be greatly increased if patient co-pays were eliminated and insurance companies’ financial standing would not be affected in the long term.

“If cost-sharing was reduced from 6 percent to 0 percent, utilization would increase,” says Gasoyan, whose review states that 35 percent of patients eligible for bariatric surgery did not have insurance or were underinsured. According to Gasoyan’s calculations, eliminating co-payments would result in a 17 percent increase in the number of individuals with extreme obesity and Type 2 diabetes who receive bariatric surgery.

Gasoyan’s proposal is inspired by Value-Based Insurance Design (V-BID), in which insurance coverage and patient out-of-pocket costs are determined based on the value of a given treatment. In V-BID programs, like those available at employers IBM and Boeing as well as from a new Medicare pilot program, patients are encouraged to utilize services that will have long-term, beneficial effects via minimal cost-sharing requirements. Thus in the V-BID model the traditional insurance payment structure is inverted: insurers pay upfront but then less as time goes on, since individuals covered by their plans are healthier in the long run.

Thus far, value-based insurance approaches have been applied primarily to lower-cost treatments, like daily medications, rather than more costly treatments like bariatric surgery. “V-BID has been used to reduce copays for people who would benefit the most, people who use, for example, high blood pressure medication,” says Gasoyan. “And when you look, people actually follow through. If cost isn’t a barrier, they take their medications regularly.”

Read more at Temple’s College of Public Health.