{"doc_desc":{"title":"BRA_2006_GYTS_V01_M","idno":"DDI_BRA_2006_GYTS_v01_M","producers":[{"name":"Mengmeng Ji","abbreviation":"","affiliation":"World Health Organization","role":"Documentation of data"},{"name":"Melanie Cowan","abbreviation":"","affiliation":"World Health Organization","role":"Supervision and review of metadata and  documentation of study"}],"prod_date":"2019-02-28","version_statement":{"version":"Version 1.0 (February 2019)."}},"study_desc":{"title_statement":{"idno":"BRA_2006_GYTS_v01","title":"Global Youth Tobacco Survey 2006","sub_title":"Curitiba Public,\u00a0Curitiba Private, Belem, Cataguases, Fortaleza, Joao Pessoa, Natal, Palmas, Sao Luis","alt_title":"GYTS 2006"},"production_statement":{"funding_agencies":[{"name":"World Health Organization","abbreviation":"WHO","role":""},{"name":"US Centers for Disease Control and Prevention","abbreviation":"CDC","role":""}]},"distribution_statement":{"contact":[{"name":"NCD Surveillance Team","affiliation":"World Health Organization","email":"ncdmonitoring@who.int","uri":"http:\/\/www.who.int\/ncds\/surveillance\/en\/"}]},"series_statement":{"series_name":"Global Youth Tobacco Survey","series_info":"This is the fourth GYTS conducted by Brazil."},"version_statement":{"version":"Public-use dataset"},"study_info":{"keywords":[{"keyword":"adolescents","vocab":"","uri":""},{"keyword":"noncommunicable diseases","vocab":"","uri":""},{"keyword":"risk factors","vocab":"","uri":""},{"keyword":"health surveys","vocab":"","uri":""},{"keyword":"tobacco","vocab":"","uri":""}],"topics":[{"topic":"Global Youth Tobacco Survey (GYTS)","vocab":"Survey","uri":""}],"abstract":"The GYTS is a school-based survey which uses a self-administered questionnaire to monitor tobacco use among youth and to guide the implementation and evaluation of tobacco prevention and control programmes.","coll_dates":[{"start":"2006","end":"","cycle":""}],"nation":[{"name":"Brazil","abbreviation":"BRA"}],"geog_coverage":"Curitiba Public,\u00a0Curitiba Private, Belem, Cataguases, Fortaleza, Joao Pessoa, Natal, Palmas, Sao Luis","analysis_unit":"Individuals","universe":"School-going adolescents aged 13-15 years.","data_kind":"Sample survey data [ssd]","notes":"GYTS is composed of 56 \"core\" questions designed to gather data on the following seven domains:\n1. Knowledge and attitudes of young people towards cigarette smoking\n2. Prevalence of cigarette smoking and other tobacco use among young people\n3. Role of the media and advertising in young people\u2019s use of cigarettes\n4. Access to cigarettes\n5. Tobacco-related school curriculum\n6. Environmental tobacco smoke (ETS)\n7. Cessation of cigarette smoking\nCountries may add addtional optional questions, such as on shisha use, smokeless tobacco use or e-cigarettes, or country-specific questions."},"method":{"data_collection":{"sampling_procedure":"GYTS uses a global standardized methodology that includes a two-stage sample design with schools selected with a probability proportional to enrollment size. The classes within selected schools are chosen randomly and all students in selected classes are eligible to participate in the survey. \n\nA total of 655 students aged 13-15 participated in the Brazil - Belem GYTS. \nA total of 709 students aged 13-15 participated in the Brazil - Cataguases GYTS.\t\nA total of 1,017 students aged 13-15 participated in the Brazil - Curitiba Private Schools GYTS. \t\nA total of 1,416 students aged 13-15 participated in the Brazil - Curitiba Public Schools GYTS. \t\nA total of 1,141 students aged 13-15 participated in the Brazil - Fortaleza GYTS.\t\nA total of 973 students aged 13-15 participated in the Brazil - Joao Pessoa GYTS.\nA total of 1,389 students aged 13-15 participated in the Brazil - Natal GYTS. \t\nA total of 1,000 students aged 13-15 participated in the Brazil - Palmas GYTS. \t\nA total of 1,389 students aged 13-15 participated in the Brazil - Sao Luis GYTS.","coll_mode":"self-administered","weight":"The weighting formula used is:\nW=W1 * W2 * f1 * f2 * f3*f4\nThe list below shows what each variable in the formula represents.\nW1 - The inverse of the probability of selecting the school\nW2 - The inverse of the probability of selecting the class within the school\nf1 - a school-level nonresponse adjustment factor calculated by school size category (small, medium, large)\nf2 - a class adjustment factor calculated by school\nf3 - a student-level nonresponse adjustment factor calculated by class\nf4 - a post stratification adjustment factor calculated by gender and  grade","cleaning_operations":"All data processing (scanning, cleaning, editing, and weighting) was conducted at the US Centers for Disease Control."},"analysis_info":{"response_rate":"Belem- The school response rate was 100.0%, the class response rate was 100.0%, the student response rate was 83.1%, and the overall response rate was 83.1%.\nCataguases- The school response rate was 100.0%, the class response rate was 100.0%, the student response rate was 90.6%, and the overall response rate was 90.6%. \t\nCuritiba Private- The school response rate was 80.0%, the class response rate was 100.0%, the student response rate was 95.4%, and the overall response rate was 76.3%. \t\nCuritiba Public- The school response rate was 100.0%, the class response rate was 100.0%, the student response rate was 90.0%, and the overall response rate was 90.0%. \t\nFortaleza- The school response rate was 96.0%, the class response rate was 100.0%, the student response rate was 84.8%, and the overall response rate was 81.5%. \t\nJoao Pessoa- The school response rate was 96.0%, the class response rate was 100.0%, the student response rate was 88.6%, and the overall response rate was 85.0%.\nNatal- The school response rate was 96.0%, the class response rate was 100.0%, the student response rate was 88.9%, and the overall response rate was 85.4%. \t\nPalmas- The school response rate was 100.0%, the class response rate was 100.0%, the student response rate was 86.8%, and the overall response rate was 86.8%. \t\nSao Luis- The school response rate was 96.0%, the class response rate was 100.0%, the student response rate was 88.9%, and the overall response rate was 85.4%."}},"data_access":{"dataset_use":{"cit_req":"Publications based on GYTS data should use the following acknowledgement:\n\"This paper uses data from the Global Youth Tobacco Survey (GYTS). GYTS is supported by the World Health Organization and the US Centers for Disease Control and Prevention.\"","conditions":"The user undertakes: \n(1) to acknowledge the data source. \n(2) to share any planned publications with WHO prior to publication.\n(3) to offer co-authorship of any reports or publications using the survey results  to the coordinator of the survey.\n(4) to use the data for non-commercial, not-for-profit public health purposes only.","disclaimer":"The data is being distributed without warranty of any kind. The responsibility for the use of the data lies with the user. In no event shall the World Health Organization be liable for damages arising from its use."}}},"schematype":"survey"}