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      Factibilidad del seguimiento de una muestra representativa de la población adulta de la ciudad de Barcelona Translated title: Feasibility of following up a representative sample of the adult population in Barcelona (Spain)

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          Abstract

          El objetivo de este trabajo es estudiar la factibilidad del seguimiento de una muestra representativa de la población adulta de Barcelona 8 años después del estudio basal. Se seleccionó una muestra aleatoria (n = 100) de los 1161 participantes que dieron su consentimiento para volver a contactar con ellos. Se logró contactar con 66 de los participantes: 52 (78,8%) accedieron a participar en el estudio de seguimiento, 3 (4,5%) habían fallecido, 4 (6,1%) habían cambiado de domicilio y 7 (10,6%) declinaron participar en el seguimiento. La tasa de participación en el estudio de factibilidad fue del 52%. En conclusión, los resultados de nuestro estudio muestran una alta factibilidad de realizar un seguimiento 8 años después del estudio basal.

          Translated abstract

          The objective of this work was to study the feasibility of following up a representative sample of the adult population of Barcelona 8 years after the baseline study. We selected a random sample (n = 100) of the 1161 participants who consented to be re-contacted. We contacted 66 participants: 52 (78.8%) agreed to participate in the follow-up, three (4.5%) had died, four (6.1%) had moved, and seven (10.6%) declined to participate in the follow-up. The participation rate in the feasibility study was 52%. In conclusion, the results of our study show a good feasibility of conducting a follow-up study 8 years after the baseline study.

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          Legislation for smoke-free workplaces and health of bar workers in Ireland: before and after study.

          To compare exposure to secondhand smoke and respiratory health in bar staff in the Republic of Ireland and Northern Ireland before and after the introduction of legislation for smoke-free workplaces in the Republic. Comparisons before and after the legislation in intervention and control regions. Public houses in three areas in the Republic (intervention) and one area in Northern Ireland (control). 329 bar staff enrolled in baseline survey; 249 (76%) followed up one year later. Of these, 158 were non-smokers both at baseline and follow-up. Salivary cotinine concentration, self reported exposure to secondhand smoke, and respiratory and sensory irritation symptoms. In bar staff in the Republic who did not themselves smoke, salivary cotinine concentrations dropped by 80% after the smoke-free law (from median 29.0 nmol/l (95% confidence interval 18.2 to 43.2 nmol/l)) to 5.1 nmol/l (2.8 to 13.1 nmol/l) in contrast with a 20% decline in Northern Ireland over the same period (from median 25.3 nmol/l (10.4 to 59.2 nmol/l) to 20.4 nmol/l (13.2 to 33.8 nmol/l)). Changes in self reported exposure to secondhand smoke were consistent with the changes in cotinine concentrations. Reporting any respiratory symptom declined significantly in the Republic (down 16.7%, -26.1% to -7.3%) but not in Northern Ireland (0% difference, -32.7% to 32.7%). After adjustment for confounding, respiratory symptoms declined significantly more in the Republic than in Northern Ireland and the decline in cotinine concentration was twice as great. The smoke-free law in the Republic of Ireland protects non-smoking bar workers from exposure to secondhand smoke.
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            Population-based Cohort Studies

            M Szklo (1998)
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              Recruitment and follow-up of adolescent and young adult cancer survivors: the AYA HOPE Study

              Introduction Cancer is rare in adolescents and young adults (AYA), but these patients have seen little improvement in survival in contrast to most other age groups. Furthermore, participation in research by AYAs is typically low. We conducted a study to examine the feasibility of recruiting a population-based sample of AYA survivors to examine issues of treatment and health outcomes. Methods Individuals diagnosed in 2007–08 and age 15–39 at the time of diagnosis with acute lymphocytic leukemia, Hodgkin lymphoma, non-Hodgkin lymphoma, germ cell cancer or sarcoma were identified by 7 Surveillance, Epidemiology, and End-Results (SEER) cancer registries, mailed surveys within 14 months after diagnosis and again a year later, and had medical records reviewed. Results 525 (43%) of the eligible patients responded, 39% refused and 17% were lost to follow-up. Extensive efforts were required for most potential respondents (87%). 76% of respondents completed the paper rather than online survey version. In a multivariate model, age, cancer site, education and months from diagnosis to the first mailing of the survey were not associated with participation, although males (p < 0.01), Hispanics and non-Hispanic blacks (p < 0.001) were less likely to participate. 91% of survivors completing the initial survey completed the subsequent survey. Discussion Despite the response rate, those who participated adequately reflected the population of AYA cancer survivors. The study demonstrates that cancer registries are valuable foundations for conducting observational, longitudinal population-based research on AYA cancer survivors. Implications for Cancer Survivors Achieving a reasonable response rate in this population is possible, but requires extensive resources.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                gs
                Gaceta Sanitaria
                Gac Sanit
                Ediciones Doyma, S.L. (Barcelona, Barcelona, Spain )
                0213-9111
                October 2013
                : 27
                : 5
                : 463-465
                Affiliations
                [03] L'Hospitalet de Llobregat orgnameUniversitat de Barcelona orgdiv1Facultat de Medicina orgdiv2Departament de Ciències Clíniques España
                [01] L'Hospitalet de Llobregat orgnameInstitut Català d'Oncologia - ICO orgdiv1Programa de Prevenció i Control del Càncer orgdiv2Unitat de Control del Tabaquisme España
                [02] L'Hospitalet de Llobregat orgnameInstitut d'Investigació Biomèdica de Bellvitge - IDIBELL orgdiv1Grup de Prevenció i Control del Càncer España
                Article
                S0213-91112013000500015
                10.1016/j.gaceta.2012.08.003
                ff44ad8d-fc24-473d-a363-52dbffc15636

                This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 International License.

                History
                : 08 June 2012
                : 22 August 2012
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 10, Pages: 3
                Product

                SciELO Spain


                Estudio de factibilidad,Estudio de cohortes,Estudio longitudinal,Feasibility study,Cohort study,Longitudinal study

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