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            3 => "Cohort study"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">TO study the incidence rates and the determinants of smoking cessation in a population-based cohort&#46;</p> <span class="elsevierStyleSectionTitle">Material and Methods</span><p class="elsevierStyleSimplePara elsevierViewall">We used data from the Cornell&#224; Health Interview Survey Follow-up Study&#46; Subjects who declared they were daily smokers at baseline &#40;1994&#41; and had complete follow-up&#44; with information on smoking status in 2002&#44; entered into analysis&#46; We calculated incidence rates and the relative risks of cessation &#40;with 95&#37; confidence intervals&#41; using the Cox model&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">Out of 353 daily smokers&#44; 100 quit smoking during the follow-up period &#40;cumulative incidence of 28&#46;3&#37;&#41;&#46; The incidence rate of cessation was higher among men &#40;42&#46;34 per 1000 person-years&#41; than among women &#40;24&#46;97 per 1000 person-years&#41;&#44; with a relative risk of cessation of 1&#46;69 &#40;95&#37; confidence interval&#44; 1&#46;02-2&#46;79&#41; for men&#46; Age and level of education were associated with a higher relative risk of quitting in men&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">The main determinants for smoking cessation are sociodemographic &#40;sex&#44; age&#44; and level of education&#41;&#46;</p>"
      ]
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">Estudiar la tasa de incidencia del abandono del consumo de tabaco en una cohorte de base poblacional&#44; as&#237; como determinar las caracter&#237;sticas asociadas a &#233;ste&#46;</p> <span class="elsevierStyleSectionTitle">Material y M&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Los datos proceden del Estudio de Seguimiento de la Encuesta de Salud de Cornell&#224; del Llobregat &#40;ES&#46;ESC&#41;&#46; Los an&#225;lisis se restringieron a los fumadores diarios identificados en la entrevista basal &#40;a&#241;o 1994&#41; y con informaci&#243;n completa en la encuesta de seguimiento &#40;2002&#41;&#46; Se calcularon las tasas de incidencia de abandono y el riesgo relativo &#40;con su intervalo de confianza&#41; de abandono del consumo de tabaco mediante un modelo de Cox&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">De los 353 fumadores diarios&#44; 100 dejaron de fumar durante el per&#237;odo de seguimiento &#40;incidencia acumulada del 28&#44;3&#37;&#41;&#46; La tasa de incidencia de abandono fue mayor en los varones &#40;42&#44;34&#47;1&#46;000 personas-a&#241;o&#41; que en mujeres &#40;24&#44;97&#47;1&#46;000 personas-a&#241;o&#41;&#44; con un riesgo relativo de abandono para los varones de 1&#44;69 &#40;intervalo de confianza del 95&#37;&#44; 1&#44;02-2&#44;79&#41;&#46; La edad y el nivel educativo se asociaron a un riesgo relativo de abandono mayor en los varones&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Los principales determinantes del abandono del consumo de tabaco son sociodemogr&#225;ficos &#40;sexo&#44; edad y nivel de estudios&#41;&#46;</p>"
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        "nota" => "<p class="elsevierStyleNotepara">This study has been partially funded by a grant from the Fondo de Investigaci&#243;n Sanitaria &#40;PI020261&#41; and the City Council of Cornell&#224; de Llobregat&#46; Dr M&#46; Garc&#237;a received a grant from the Instituto de Salud Carlos III &#40;Red de Centros RCESP C03&#47;09&#41;&#44; Madrid&#44; Spain&#46;</p>"
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        "nota" => "<p class="elsevierStyleNotepara">Cornell&#224; Health Interview Survey Follow-Up Study Research Group members are Esteve Fern&#225;ndez &#40;head of research&#41;&#44; Anna Schiaffino and Montse Garc&#237;a &#40;coordinators of the study&#41;&#44; and Merc&#232; Mart&#237;&#44; Esteve Salt&#243;&#44; Gloria P&#233;rez&#44; Merc&#232; Peris&#44; Carme Borrell&#44; Francisco Javier Nieto&#44; and Josep Maria Borr&#224;s &#40;associate researchers&#41;&#46;</p>"
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                      "titulo" => "Pattern of smoking initiation in Catalonia&#44; Spain&#44; from 1948 to 1992"
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August 2004 Smoking Cessation in a Population-Based Cohort Study
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Vol. 40. Issue 8.
Pages 348-354 (August 2004)
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Vol. 40. Issue 8.
Pages 348-354 (August 2004)
Original Article
DOI: 10.1016/S1579-2129(06)60319-4
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Smoking Cessation in a Population-Based Cohort Study
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M Garcíaa,b, A Schiaffinoa, J Twosea, C Borrellc, E Saltód,e, M Perisa, E Fernándeza,e,
Corresponding author
efernandez@ico.scs.es

Correspondence: Dr. E. Fernández. Servicio de Prevención y Control del Cáncer. Institut Català d'Oncologia. Gran Via, s/n, km 2,7. 08907 L'Hospitalet de Llobregat. Barcelona. España
, representing the Cornellà Health Interview Survey Follow-Up Study Research Group *
a Servicio de Prevención y Control del Cáncer, Institut Català d'Oncologia, L'Hospitalet de Llobregat, Barcelona, Spain
b Departamento de Metodología de las Ciencias del Comportamiento, Universitat de Barcelona, Barcelona, Spain
c Servicio de Información Sanitaria, Agència de Salut Pública de Barcelona, Barcelona, Spain
d Dirección General de Salud Pública, Departament de Sanitat i Seguretat Social, Generalitat de Catalunya, Barcelona, Spain
e Departamento de Salud Pública, Universitat de Barcelona, Barcelona, Spain
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Objective

TO study the incidence rates and the determinants of smoking cessation in a population-based cohort.

Material and Methods

We used data from the Cornellà Health Interview Survey Follow-up Study. Subjects who declared they were daily smokers at baseline (1994) and had complete follow-up, with information on smoking status in 2002, entered into analysis. We calculated incidence rates and the relative risks of cessation (with 95% confidence intervals) using the Cox model.

Results

Out of 353 daily smokers, 100 quit smoking during the follow-up period (cumulative incidence of 28.3%). The incidence rate of cessation was higher among men (42.34 per 1000 person-years) than among women (24.97 per 1000 person-years), with a relative risk of cessation of 1.69 (95% confidence interval, 1.02-2.79) for men. Age and level of education were associated with a higher relative risk of quitting in men.

Conclusions

The main determinants for smoking cessation are sociodemographic (sex, age, and level of education).

Key Words:
Smoking
Quitting
Cessation
Cohort study
Objetivo

Estudiar la tasa de incidencia del abandono del consumo de tabaco en una cohorte de base poblacional, así como determinar las características asociadas a éste.

Material y Métodos

Los datos proceden del Estudio de Seguimiento de la Encuesta de Salud de Cornellà del Llobregat (ES.ESC). Los análisis se restringieron a los fumadores diarios identificados en la entrevista basal (año 1994) y con información completa en la encuesta de seguimiento (2002). Se calcularon las tasas de incidencia de abandono y el riesgo relativo (con su intervalo de confianza) de abandono del consumo de tabaco mediante un modelo de Cox.

Resultados

De los 353 fumadores diarios, 100 dejaron de fumar durante el período de seguimiento (incidencia acumulada del 28,3%). La tasa de incidencia de abandono fue mayor en los varones (42,34/1.000 personas-año) que en mujeres (24,97/1.000 personas-año), con un riesgo relativo de abandono para los varones de 1,69 (intervalo de confianza del 95%, 1,02-2,79). La edad y el nivel educativo se asociaron a un riesgo relativo de abandono mayor en los varones.

Conclusiones

Los principales determinantes del abandono del consumo de tabaco son sociodemográficos (sexo, edad y nivel de estudios).

Palabras clave:
Tabaquismo
Abandono
Cesación
Estudio de cohortes
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This study has been partially funded by a grant from the Fondo de Investigación Sanitaria (PI020261) and the City Council of Cornellà de Llobregat. Dr M. García received a grant from the Instituto de Salud Carlos III (Red de Centros RCESP C03/09), Madrid, Spain.

*

Cornellà Health Interview Survey Follow-Up Study Research Group members are Esteve Fernández (head of research), Anna Schiaffino and Montse García (coordinators of the study), and Mercè Martí, Esteve Saltó, Gloria Pérez, Mercè Peris, Carme Borrell, Francisco Javier Nieto, and Josep Maria Borràs (associate researchers).

Copyright © 2004. Sociedad Española de Neumología y Cirugía Torácica (SEPAR)

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