title: [Possibility and predictors of successful cigarette purchase attempts by 201 primary school students in Guangzhou, China].
abstract: OBJECTIVE
  To explore the access to tobacco and exam the predictors of successful tobacco purchase attempts among Chinese minors.
  
  
  METHODS
  A simulative trial of purchasing cigarettes was participated by 201 sixth grade students to assess the prevalence of illegal cigarette sales to minors in Guangzhou. Methods of Chi-square and unconditional logistic regression were used to identify the significant predictors,with the result of tobacco purchase as the dependent variable and the characteristics of stores, retailers and minors as the independent variables.
  
  
  RESULTS
  A total of 165 students succeeded in purchasing cigarettes but 36 failed, and the percentage of successful purchase attempts was 82. 1% . Data from univariate analysis indicated that 9 factors were significantly associated with students' success in purchasing cigarettes. They were age and height of the purchasers, types of stores, seller's gender and age, posting cigarette advertisements,showing warning signs of 'no cigarette selling to minors' ,asking buyer's age,and asking whom you buy the cigarettes for. The results of multivariable analysis showed that only three variables entering the final logistic regression: the age of students, the type of stores, and showing warning signs of 'no cigarette selling to minors'.
  
  
  CONCLUSIONS
  Chinese minors have easy access to purchasing cigarettes, especially in groceries and small markets. Selling cigarettes by sellers to minors should be monitored and managed in the future.
authors.affiliation: The School of Public Health, Sun Yat-sen University, Guangzhou 510080, China.
authors.forename: Xiao-zhong
authors.initials: XZ
authors.lastname: Wen
authors.forename: Jian-hua
authors.initials: JH
authors.lastname: Huang
authors.forename: Wei-qing
authors.initials: WQ
authors.lastname: Chen
authors.forename: Cai-hua
authors.initials: CH
authors.lastname: Liang
authors.forename: Ke
authors.initials: K
authors.lastname: Han
authors.forename: Wen-hua
authors.initials: WH
authors.lastname: Ling
mesh_terms: D000293:Adolescent; D002648:Child; D002681:China; D003132:Commerce / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D033242:Minors / Q000706:statistics & numerical data*; D012907:Smoking / Q000453:epidemiology* / Q000331:legislation & jurisprudence; D013334:Students / Q000706:statistics & numerical data*