Psychometric evaluation of the Self-Report Habit Index for assessing habitual e-cigarette use behavior in high school adolescents
Morean M, Davis D, Kong G, Bold K, Talley A, Krishnan-Sarin S. Psychometric evaluation of the Self-Report Habit Index for assessing habitual e-cigarette use behavior in high school adolescents. Drug And Alcohol Dependence Reports 2024, 12: 100251. PMID: 39050698, PMCID: PMC11267024, DOI: 10.1016/j.dadr.2024.100251.Peer-Reviewed Original ResearchSelf-Report Habit IndexE-cigarette dependencePsychometric propertiesInternal reliabilityUse behaviorsE-cigarette use behaviorsE-cigarette useHabit IndexLatent factor structureSolid psychometric propertiesHigh school adolescentsE-cigarette flavorsFactor structureConnecticut high schoolsMeasurement invarianceBetween-group differencesHigh school studentsE-cigarettesHabitual behaviorPsychometric evaluationSelf-reportHabitual usePast-month e-cigarette useNicotine-freeVaping frequencyDevelopment 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 symptoms