Good thinking, but the researchers already adjusted for smoking status [0][1]. [0] http://i.imgur.com/mQZ1ST9.png http://i.imgur.com/mQZ1ST9.png [1] http://i.

Good thinking, but the researchers already adjusted for smoking status [0][1]. [0] http://i.imgur.com/mQZ1ST9.png http://i.imgur.com/mQZ1ST9.png [1] http://i.imgur.com/Hi1x4Ab.png http://i.imgur.com/Hi1x4Ab.png