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Less couch time equals fewer cookies
Date:5/28/2012

ncrease physical activity, and increase fruit/vegetable intake and decrease sedentary leisure.

During the three weeks of treatment, patients entered their daily data into a personal digital assistant and uploaded it to a coach who communicated as needed by telephone or email.

Participants could earn $175 for meeting goals during the three-week treatment phase. But when that phase was completed, patients no longer had to maintain the lifestyle changes in order to be paid. They were simply asked to send data three days a month for six months and received $30 to $80 per month.

"We said we hope you'll continue to keep up these healthy changes, but you no longer have to keep them up to be compensated," Spring said.

The results over the next six months amazed Spring. "We thought they'd do it while we were paying them, but the minute we stopped they'd go back to their bad habits," she said. "But they continued to maintain a large improvement in their health behaviors."

From baseline to the end of treatment to the end of the six-month follow-up, the average servings of fruit/vegetables changed from 1.2 to 5.5 to 2.9; average minutes per day of sedentary leisure went from 219.2 to 89.3 to 125.7 and daily calories from saturated fat from 12 percent to 9.4 percent to 9.9 percent.

About 86 percent of participants said once they made the change, they tried to maintain it. There was something about increasing fruits and vegetables that made them feel like they were capable of any of these changes," Spring said. "It really enhanced their confidence."

"We found people can make very large changes in a very short amount of time and maintain them pretty darn well," Spring said. "It's a lot more feasible than we thought."


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Contact: Marla Paul
marla-paul@northwestern.edu
312-503-8928
Northwestern University
Source:Eurekalert

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