Questionnaire of Smoking Urges Factor 2 Scores for Usual Brand Cigarettes by Cumulative Vulnerabilities
Mean (±SEM) Questionnaire-on-Smoking-Urges (QSU) Factor-2 scores across repeated assessments during the 12-week study for each of the three dose conditions among participants in the low (upper panel), moderate (middle panel), and high (lower panel) cumulative-vulnerability categories. Data points are arithmetic means ± SEM. Doses not sharing a superscript differed in slope of linear trends.