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Smokers are more likely to be young, non-Hispanic white and less educated (Table 2)

Participants names, addresses and dates of birth are third-party validated (e.g., TrueSample, RelevantID, Verity, etc.)

Self-help materials The National Cancer Institute (NCI) provide help to anyone who wants to stop smoking through their support services: smoking helpline: 1-877-44U-QUIT (1-877-448-7848) local and state quitlines: 1- 800-QUIT-NOW (1-800-784-8669) LiveHelponline chat Smokefree website SmokefreeTXT text messaging service Support groups, such as Nicotine Anonymous (NicA), can prove useful too

We hear about it now and then, but seldom do we know why