Smoking Intention and Progression From E-Cigarette Use to Cigarette Smoking

^aChildren’s National Hospital, Washington, District of Columbia;
^bDepartment of Sociology and
^cPopulation Research Center, College of Liberal Arts and
^kDepartment of Kinesiology & Health Education, College of Education and
^lDepartment of Population Health, Dell Medical School, The University of Texas at Austin, Austin, Texas; and
^dCenter for the Study of Drugs, Alcohol, Smoking and Health, School of Nursing and
^eDepartment of Health Behavior and Biological Sciences, School of Public Health and
^fInstitutes for Research on Women and Gender,
^gSocial Research, and
^hHealthcare Policy and Innovation and
ⁱRogel Cancer Center and
^jAddiction Center, Department of Psychiatry, Michigan Medicine, University of Michigan, Ann Arbor, Michigan

Dr Owotomo conceived of the study, wrote the primary draft of the manuscript, performed statistical analysis, and reviewed and revised the manuscript; Dr Maslowsky conceived of the study and wrote the primary draft of the manuscript; Ms Stritzel performed statistical analysis and reviewed and revised the manuscript; Drs McCabe and Boyd assisted with conceptualizing the study and reviewed and revised the manuscript; and all authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.