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Poor, uninsured women prone to late-stage breast cancer, says U. of Utah study
This is an archived article that was published on sltrib.com in 2013, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.

Being uninsured or living in a poor neighborhood raises a woman's risk of being diagnosed with breast cancer at a later stage when it's harder to treat, a new University of Utah-led study shows.

And this is true regardless of how far women live from hospitals that offer cancer screens, said the study's lead author, Kevin Henry, a Huntsman Cancer Institute investigator and University of Utah geography professor.

Other studies have looked at geographic and social predictors of cancer, but this is one of the largest, Henry said.

A team of scientists assembled by the North American Association of Central Cancer Registries pulled data on 161,619 patients from cancer registries in 10 states and cross-referenced the numbers against census data.

"In all these states we looked at every woman ever diagnosed with late-stage breast cancer [age 40 and older] between 2004 and 2006," Henry said. The team's findings appear in the current issue of the journal Health & Place.

Insurance, or the lack of it, proved to be the most powerful predictor of late-stage cancer. Being uninsured raises a woman's risk of late diagnosis by 80 percent, the study showed.

Living in a neighborhood where 20 percent or more of residents live at or below the federal poverty level increased a woman's risk of late diagnosis by 30 percent.

Geographic disparities, however, surfaced in only one state with large, rural communities — Iowa.

"It looks like the market has done a pretty good job at conveniently placing these screening centers," Henry said.

While the study did not include data from Utah, Henry is working with state health officials to replicate it using numbers from Utah's cancer registry. He hopes that analysis sheds light on Utah's notoriously low mammogram rates.

Co-author Recinda Sherman, an epidemiologist at the University of Miami Miller Medical School, hopes the study informs public-health-policy solutions targeting women at highest risk.

Early detection, primarily mammograms, is credited with improving breast-cancer survival rates.

Henry said President Barack Obama's signature health reform law will help by reducing the nation's uninsured rate, but it's not going to erase all burdens faced by people in poverty.

"My own thinking is some preventive care needs to center around the workplace," such as mobile screening centers and employers offering flex time for workers to get screened, he said. "Some employers don't offer sick time, and most screening centers are only open from 9 to 5 when people are at work."

In 2010, 67 percent of Utah women ages 40 and older had undergone a mammogram within the past two years — the second-lowest rate in the nation. The national rate was 75 percent.

kstewart@sltrib.com

Twitter: @kirstendstewart

Health • Risk of a late diagnosis 80% higher among the uninsured.
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