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Differences between the Food and Drug Administration (FDA), Irrelevant, and Text-only conditions on (A) ability to motivate quitting, (B) believability, (C) memorability, (D) feeling about smoking, and (E) subsequent cigarettes per day (CPD), adjusted for age and baseline CPD. Error bar: standard error of mean. */**/***: p < .05/.01/.005; ns: non-significant.
