Psychometric Evaluation of the E-cigarette Dependence Scale.

ABSTRACT: Introduction: Psychometrically sound measures of e-cigarette dependence are lacking.

Methods: We modified the PROMIS Item Bank v1.0-Smoking: Nicotine Dependence for All Smokers for use with e-cigarettes and evaluated the psychometrics of the 22-, 8-, and 4-item adapted versions, referred to as The E-cigarette dependence scale (EDS). Adults (1009) who reported using e-cigarettes at least weekly completed an anonymous survey in summer 2016 (50.2% male, 77.1% White, mean age 35.81 [10.71], 66.4% daily e-cigarette users, 72.6% current cigarette smokers). Psychometric analyses included confirmatory factor analysis, internal consistency, measurement invariance, examination of mean-level differences, convergent validity, and test-criterion relationships with e-cigarette use o

SUBMITTER: Morean ME 

PROVIDER: S-EPMC6821314 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature