Comparative Effectiveness of Adding Weight Control to Smoking Cessation Quitlines

"The two intervention groups will receive weight gain prevention either:~Simultaneous: weight control treatment simultaneous with cessation treatment (5 proactive calls with a quit coach combined with weight coach/nutritionist followed by 5 'contact control calls'), or Sequential: weight control treatment added after cessation treatment (5 proactive calls with a quit coach followed by 5 weight coach/nutritionist calls). All three study arms will include a total of 10 phone counseling calls, interactive web, mailed support materials, access to nicotine replacement therapy (NRT) and unlimited participant initiated calls."

The control group will receive cessation treatment calls (5 proactive calls with a quit coach followed by 5 contact control calls.