2024
Development and Psychometric Evaluation of a Novel Measure of Nicotine E-cigarette Withdrawal for Use With Adolescents and Young Adults
Morean M, Rajeshkumar L, Krishnan-Sarin S. Development and Psychometric Evaluation of a Novel Measure of Nicotine E-cigarette Withdrawal for Use With Adolescents and Young Adults. Nicotine & Tobacco Research 2024, ntae095. PMID: 38695371, DOI: 10.1093/ntr/ntae095.Peer-Reviewed Original ResearchNicotine withdrawalNegative affectWithdrawal ScaleE-cigarette dependenceCessation attemptsRetrospective measuresPsychometric evaluationYoung adultsIncremental validity analysesNicotine product usePreliminary psychometric evaluationPsychometrically-sound measureScalar measurement invarianceE-cigarette useE-cigarettesNicotine e-cigarettesWithdrawal itemsWithdrawal scoresMeasurement invariancePsychometric propertiesConcurrent validityInternal reliabilityPhysical symptomsNicotineNegative physical symptomsPsychometric Evaluation of the Modified E-cigarette Evaluation Questionnaire for Use With High School Adolescents and Young Adults
Morean M. Psychometric Evaluation of the Modified E-cigarette Evaluation Questionnaire for Use With High School Adolescents and Young Adults. Nicotine & Tobacco Research 2024, 26: 1420-1428. PMID: 38605432, DOI: 10.1093/ntr/ntae076.Peer-Reviewed Original ResearchModified Cigarette Evaluation QuestionnaireFour-factor structureBetween-group differencesMeasurement invarianceConcurrent relationshipsYoung adultsInternal consistencyEvidence of concurrent validitySubjective responsesFive-factor structureTest-criterion relationshipsPsychometrically-sound measureScalar measurement invarianceEffects of e-cigarette useNicotine e-cigarettesHigh school adolescentsCraving reductionFive-FactorEvaluation questionnaireSubjective effectsVaping frequencyE-cigarette useReduced aversionScalar invariancePsychometric properties
2023
Why young adults use tobacco-free nicotine E-cigarettes: An analysis of qualitative data
Davis D, Rajesh Kumar L, Morean M, Kong G, Bold K, Krishnan-Sarin S, Camenga D. Why young adults use tobacco-free nicotine E-cigarettes: An analysis of qualitative data. Addictive Behaviors 2023, 150: 107925. PMID: 38056193, PMCID: PMC10842804, DOI: 10.1016/j.addbeh.2023.107925.Peer-Reviewed Original ResearchConceptsTobacco-derived nicotineE-cigarettesE-cigarette useYoung adultsNicotine e-cigarettesHuman experimental studiesU.S. young adultsAversive effectsPrevention communicationHealth benefitsHealth reasonsAdultsIndependent ratersNicotineResults ReasonsQualitative studyQualitative dataOnline Qualtrics surveyQualtrics surveyDifferencesPrimary reasonNecessary next stepResponseIncluding the term ‘tobacco-free nicotine’ in the nicotine addiction warning label mandated by the US Food and Drug Administration alters risk perceptions and use intentions
Morean M, Gueorguieva R, O'Malley S, Krishnan-Sarin S. Including the term ‘tobacco-free nicotine’ in the nicotine addiction warning label mandated by the US Food and Drug Administration alters risk perceptions and use intentions. Tobacco Control 2023, tc-2023-058133. PMID: 37898544, PMCID: PMC11055938, DOI: 10.1136/tc-2023-058133.Peer-Reviewed Original ResearchWarning labelsParticipant characteristicsUS FoodMultivariable logistic regressionNicotine e-cigarettesPublic health impactAdministration altersMost harmAddictive chemicalNicotine productsNicotine addictionDrug AdministrationAnonymous online surveyE-cigarettesLogistic regressionNicotineYoung individualsVulnerable populationsHealth impactsFDAPublic healthRisk perceptionParticipantsSignificant interactionAddictiveness
2022
Use and Product Characteristics of “Tobacco Free Nicotine” E-Cigarettes Among Young Adults
Davis DR, Bold KW, Camenga D, Kong G, Jackson A, Lee J, Rajesh-Kumar L, Krishnan-Sarin S, Morean ME. Use and Product Characteristics of “Tobacco Free Nicotine” E-Cigarettes Among Young Adults. Nicotine & Tobacco Research 2022, 25: 379-385. PMID: 35913677, PMCID: PMC9910142, DOI: 10.1093/ntr/ntac188.Peer-Reviewed Original ResearchConceptsE-cigarette useFrequent e-cigarette useE-cigarettesYoung adultsAdjusted modelMore frequent e-cigarette useNicotine pouchesMultivariable adjusted modelsE-cigarette use statusNicotine e-cigarettesLogistic regression modelsBinary logistic regression modelRace/ethnicityU.S. young adultsOnset ageYounger ageBivariate comparisonsNicotine concentrationsTobacco productsAlcohol useAdultsFree nicotineUse statusLifetime frequencyLifetime e-cigarette useDoes it come from tobacco? Young adults’ interpretations of the term “tobacco-free nicotine” in a cross-sectional national survey sample
Morean ME, Bold KW, Davis DR, Kong G, Krishnan-Sarin S, Camenga DR. Does it come from tobacco? Young adults’ interpretations of the term “tobacco-free nicotine” in a cross-sectional national survey sample. PLOS ONE 2022, 17: e0268464. PMID: 35559988, PMCID: PMC9106148, DOI: 10.1371/journal.pone.0268464.Peer-Reviewed Original Research