Karen Pollitz, research professor at the Health Policy Institute, on the effects of basing health insurance premiums on a person's test results related to weight, cholesterol, blood pressure and other factors:

"One is that the unhealthy employees just have to pay $2,000 more of the cost of their care every year. But second, some of those employees may say, 'Forget it, I'm going elsewhere. I want to get covered under my spouse's plan.' "

Patient Advocates Fear Bias In Wellness Incentives

October 7, 2009, National Public Radio