title: Validation of the Waterpipe Tolerance Questionnaire Among Jordanian School-Going Adolescent Waterpipe Users.
abstract: BACKGROUND
  Waterpipe use among adolescents has been increasing progressively. Yet no studies were reported to assess the validity and reliability of nicotine dependence scale. The current study aims to assess the validity and reliability of an Arabic version of the modified Waterpipe Tolerance Questionnaire WTQ among school-going adolescent waterpipe users.
  
  
  METHODS
  In a cross-sectional study conducted in Jordan, information on waterpipe use among 333 school-going adolescents aged 11-18 years was obtained using the Arabic version of the WTQ. An exploratory factor analysis and correlation matrices were conducted to assess validity and reliability of the WTQ.
  
  
  RESULTS
  The WTQ had a 0.73 alpha of internal consistency indicating moderate level of reliability. The scale showed multidimensionality with items loading on two factors, namely waterpipe consumption and morning smoking.
  
  
  CONCLUSIONS
  This study report nicotine dependence level among school-going adolescents who identify themselves as waterpipe users using the WTQ.
authors.affiliation: The Hashemite University. sukaina-alzyoud@hu.edu.jo.
authors.forename: Sukaina
authors.initials: S
authors.lastname: Alzyoud
authors.forename: Sreenivas P
authors.initials: SP
authors.lastname: Veeranki
authors.forename: Khalid A
authors.initials: KA
authors.lastname: Kheirallah
authors.forename: Ali M
authors.initials: AM
authors.lastname: Shotar
authors.forename: Lori
authors.initials: L
authors.lastname: Pbert
mesh_terms: D000293:Adolescent; D002648:Child; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007597:Jordan / Q000453:epidemiology; D008297:Male; D015203:Reproducibility of Results; D012907:Smoking / Q000453:epidemiology*; D011795:Surveys and Questionnaires