Abbreviations
treatNational Cancer
carbon monoxideConsolidated Standards of Reporting Trialscigarettes per daydifficulty to stay quitFood and Drug AdministrationHealth Insurance Portability and Accountability Actincidence rate ratiointention to treatNational Cancer Institutenicotine replacement therapyodds ratiopoint-prevalence abstinenceparts per millionrandomized controlled trialrelative riskSmoking Abstinence Self-Efficacy QuestionnaireUnited States Clinical Practice Guideline