Financial incentives may help spur healthy behavior change, reports Harvard Men’s Health Watch

In an ideal world, the reward of good health would be enough to motivate prudent behavior, but it often falls short. Smoking rates in America have come down, but progress is slowing, and despite lots of attention to the problem, obesity rates continue to grow. The May 2011 issue of the Harvard Men's Health Watch asks the question "Can financial incentives help change unhealthy behavior when common sense and medical advice have failed?" Two recent studies suggest the answer is a qualified yes.

To find out if financial incentives can boost smoking cessation rates, researchers studied 878 employees of a large multinational corporation based in the United States. All were active cigarette smokers who had expressed the desire to quit. Half the volunteers were randomly assigned to receive information about smoking cessation programs. The others received the same information plus a series of financial incentives. To make sure money didn't induce fibbing, the scientists verified tobacco abstinence by using a urine test for cotinine, a chemical produced when the body metabolizes nicotine.

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