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dc.contributor.authorMenezes, Ana M.
dc.contributor.authorLopez, Maria V.
dc.contributor.authorHallal, Pedro C.
dc.contributor.authorMuino, Adriana
dc.contributor.authorPerez-Padilla, Rogelio
dc.contributor.authorJardim, Jose Roberto [UNIFESP]
dc.contributor.authorValdivia, Gonzalo
dc.contributor.authorPertuze, Julio
dc.contributor.authorOca, Maria M. de
dc.contributor.authorTalamo, Carlos
dc.contributor.authorVictora, Cesar G.
dc.contributor.authorPLATINO Team
dc.identifier.citationBmc Public Health. London: Biomed Central Ltd, v. 9, 8 p., 2009.
dc.description.abstractBackground: the PLATINO project was launched in 2002 in order to study the prevalence of chronic obstructive pulmonary disease (COPD) in Latin America. Because smoking is the main risk factor for COPD, detailed data on it were obtained. the aim of this paper was to evaluate the prevalence of smoking and incidence of initiation among middle-aged and older adults (40 years or older). Special emphasis was given to the association between smoking and schooling.Methods: PLATINO is a multicenter study comprising five cross-sectional population-based surveys of approximately 1,000 individuals per site in São Paulo (Brazil), Santiago (Chile), Mexico City (Mexico), Montevideo (Uruguay) and Caracas (Venezuela). the outcome variable was smoking status (never, former or current). Current smokers were those who reported to smoke within the previous 30 days. Former smokers were those who reported to quit smoking more than 30 days before the survey. Using information on year of birth and age of smoking onset and quitting, a retrospective cohort analysis was carried out. Smoking prevalence at each period was defined as the number of subjects who started to smoke during the period plus those who were already smokers at the beginning of the period, divided by the total number of subjects. Incidence of smoking initiation was calculated as the number of subjects who started to smoke during the period divided by the number of non-smokers at its beginning. the independent variables included were sex, age and schooling.Results: Non-response rates ranged from 11.1% to 26.8%. the prevalence of smoking ranged from 23.9% (95% CI 21.3; 26.6) in São Paulo to 38.5% (95% CI 35.7; 41.2) in Santiago. Males and middle-aged adults were more likely to smoke in all sites. After adjustment for age, schooling was not associated with smoking. Using retrospective cohort analysis, it was possible to detect that the highest prevalence of smoking is found between 20-29 years, while the highest incidence is found between 10-19 years. Age of smoking onset tended to decline over time among females.Conclusion: the prevalence of smoking varied considerably across sites, but was lower among countries with national anti-smoking campaigns.en
dc.publisherBiomed Central Ltd
dc.relation.ispartofBmc Public Health
dc.rightsAcesso aberto
dc.titlePrevalence of smoking and incidence of initiation in the Latin American adult population: the PLATINO studyen
dc.contributor.institutionUniv Fed Pelotas
dc.contributor.institutionUniv Republica
dc.contributor.institutionInst Nacl Enfermedades Resp
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionPontificia Univ Catolica Chile
dc.contributor.institutionCent Univ Venezuela
dc.description.affiliationUniv Fed Pelotas, Pelotas, Brazil
dc.description.affiliationUniv Republica, Montevideo, Uruguay
dc.description.affiliationInst Nacl Enfermedades Resp, Mexico City, DF, Mexico
dc.description.affiliationUniversidade Federal de São Paulo, São Paulo, Brazil
dc.description.affiliationPontificia Univ Catolica Chile, Santiago, Chile
dc.description.affiliationCent Univ Venezuela, Caracas, Venezuela
dc.description.affiliationUnifespUniversidade Federal de São Paulo, São Paulo, Brazil
dc.description.sourceWeb of Science
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