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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Psychol Addict Behav. 2010 Sep;24(3):436–445. doi: 10.1037/a0019800

Figure 1.

Figure 1

HS Study experimental design.

Note. aOf the 901 (6.9%) who did not complete baseline survey: 524 (4.0%) absent/no reply, 377 (2.9%) declined. bTwenty-four smokers who declined further contact were excluded. cTrial participants who declined study participation post randomization.