title: Prevalence and predictors of smokeless tobacco use among high-school males in Karachi, Pakistan.
abstract: A cross-sectional study was conducted in 3 towns in Karachi, Pakistan to investigate the prevalence of and factors associated with the use of smokeless tobacco among 772 high-school adolescent males. A structured questionnaire collected data on sociodemographic factors and history of cigarette and smokeless tobacco use. Prevalence of smokeless tobacco use (gutka, snuff, niswar) was 16.1% (95% CI: 13.5%-18.9%). On multiple logistic regression analysis, the factors significantly related to smokeless tobacco use among the sample were: attending government school [adjusted odds ratio (OR) 6.3], smoking cigarettes (OR 3.2), not seeing anti-tobacco advertisements (OR 1.5), family history of tobacco use (OR 3.9), use of betel quid (OR 2.9) and use of areca nut (OR 3.2).
authors.affiliation: Division of Epidemiology and Biostatistics, Department of Community Health Sciences, Aga Khan University, Karachi, Pakistan. shafquat.rozi@aku.edu
authors.forename: S
authors.initials: S
authors.lastname: Rozi
authors.forename: S
authors.initials: S
authors.lastname: Akhtar
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology; D000329:Advertising; D000704:Analysis of Variance; D001114:Areca; D001294:Attitude to Health; D016000:Cluster Analysis; D003430:Cross-Sectional Studies; D006301:Health Services Needs and Demand; D006801:Humans; D016015:Logistic Models; D008297:Male; D010154:Pakistan / Q000453:epidemiology; D011159:Population Surveillance; D015995:Prevalence; D000297:Psychology, Adolescent; D012307:Risk Factors; D012959:Socioeconomic Factors; D013334:Students / Q000523:psychology / Q000706:statistics & numerical data*; D011795:Surveys and Questionnaires; D014029:Tobacco Use Disorder / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control / Q000523:psychology; D014030:Tobacco, Smokeless; D014504:Urban Health / Q000706:statistics & numerical data