title: Multivariate framework of the Brief Questionnaire of Smoking Urges.
abstract: We conducted an investigation of the 10-item Brief Questionnaire of Smoking Urges (QSU-Brief) to confirm its hypothesized two-factor structure and to assess the validity and reliability of its total score and these factors. Data were obtained from a 7-week clinical trial on smoking cessation (N=626). The hypothesized two-factor structure of the QSU-Brief was supported by fit indexes (>0.90) from a confirmatory factor analysis at each of three relevant time points (baseline, Week 2, Week 4). Corresponding values of Cronbach's alpha were acceptable (>0.75) on the Total Craving Score and on Factors 1 and 2. This research supports the validity and reliability of the instrument and confirms the proposed two-dimensional structure of self-reported craving as measured by the QSU-Brief.
authors.affiliation: Pfizer Inc, Global Research and Development, Eastern Point Road, MS 8260-2222 Groton, CT 06340, USA. joseph.c.cappelleri@pfizer.com
authors.forename: Joseph C
authors.initials: JC
authors.lastname: Cappelleri
authors.forename: Andrew G
authors.initials: AG
authors.lastname: Bushmakin
authors.forename: Christine L
authors.initials: CL
authors.lastname: Baker
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Merikle
authors.forename: Abayomi O
authors.initials: AO
authors.lastname: Olufade
authors.forename: David G
authors.initials: DG
authors.lastname: Gilbert
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D007174:Disruptive, Impulse Control, and Conduct Disorders / Q000453:epidemiology*; D004311:Double-Blind Method; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D015203:Reproducibility of Results; D012907:Smoking / Q000453:epidemiology* / Q000628:therapy*; D011795:Surveys and Questionnaires