The prevalence of and variables associated with smoking in children and adolescents

摘要: OBJECTIVE To identify the prevalence of smoking and presence variables associated with habit in children adolescents both sexes, aged 7 to 17 years, resident city Maceio. METHODS A cross-sectional epidemiological study student population private public education systems at elementary high school level. Sample size was calculated based on minimum predicted a large number variables, including itself. Cluster sampling employed. questionnaire habits completed during individual interviews each student. Children who admitted having smoked 1 or more day previous 30 were defined as current smokers. The analyzed related to: students (age, sex, experimentation cigarettes paid employment), their educational status (public/private school, daytime/evening lessons, grade repeated years) families (economic status, parents separated parents). RESULTS total 1,253 (547 male, mean age 12.4+/-2.9 years). Observed 2.4%. Multivariate statistical analysis demonstrated significant associations between and: increased (odds ratio: 1.31); 33.96); studying evening 5.43). It observed that 286 (22.8%) experimented (9% from 9 years; 21% 10 14 36% 15 CONCLUSIONS among Maceio system is 2.4%, being most common evening. Students had exhibited 34 times greater chance becoming