A multi-state model to estimate incidence of heroin use

Background: Existing incidence estimates of heroin use are usually based on one information source. This study aims to incorporate more sources to estimate heroin use incidence trends in Spain between 1971 and 2005. Methods: A multi-state model was constructed, whereby the initial state "heroin...

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Autores: Sánchez Niubò, Albert, Aalen, Odd O., Domingo i Salvany, Antònia, Amundsen, Ellen J., Fortiana Gregori, Josep, Røysland, Kjetil
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2013
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/129402
Acceso en línea:https://hdl.handle.net/2445/129402
Access Level:acceso abierto
Palabra clave:Epidemiologia
Heroïna
Epidemiology
Heroin
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repository_id_str
spelling A multi-state model to estimate incidence of heroin useSánchez Niubò, AlbertAalen, Odd O.Domingo i Salvany, AntòniaAmundsen, Ellen J.Fortiana Gregori, JosepRøysland, KjetilEpidemiologiaHeroïnaEpidemiologyHeroinBackground: Existing incidence estimates of heroin use are usually based on one information source. This study aims to incorporate more sources to estimate heroin use incidence trends in Spain between 1971 and 2005. Methods: A multi-state model was constructed, whereby the initial state "heroin consumer" is followed by transition to either "admitted to first treatment" or to "left heroin use" (i.e. permanent cessation or death). Heroin use incidence and probabilities of entering first treatment ever were estimated following a back-calculation approach. Results: The highest heroin use incidence rates in Spain, around 1.5 per 1,000 inhabitants aged 10-44, occurred between 1985 and 1990; subdividing by route of administration reveals higher incidences of injection between 1980 and 1985 (a mean of 0.62 per 1.000) and a peak for non-injectors in 1990 (0.867 per 1,000). Conclusions: A simple conceptual model for heroin users' trajectories related to treatment admission, provided a broader view of the historical trend of heroin use incidence in Spain.BioMed Central2019201920132019info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/129402Articles publicats en revistes (Matemàtiques i Informàtica)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: https://doi.org/10.1186/1471-2288-13-4BMC Medical Research Methodology, 2013, vol. 13, num. 4https://doi.org/10.1186/1471-2288-13-4cc-by (c) Sánchez Niubò, Albert et al., 2013http://creativecommons.org/licenses/by/3.0/esinfo:eu-repo/semantics/openAccessoai:recercat.cat:2445/1294022026-05-29T05:05:01Z
dc.title.none.fl_str_mv A multi-state model to estimate incidence of heroin use
title A multi-state model to estimate incidence of heroin use
spellingShingle A multi-state model to estimate incidence of heroin use
Sánchez Niubò, Albert
Epidemiologia
Heroïna
Epidemiology
Heroin
title_short A multi-state model to estimate incidence of heroin use
title_full A multi-state model to estimate incidence of heroin use
title_fullStr A multi-state model to estimate incidence of heroin use
title_full_unstemmed A multi-state model to estimate incidence of heroin use
title_sort A multi-state model to estimate incidence of heroin use
dc.creator.none.fl_str_mv Sánchez Niubò, Albert
Aalen, Odd O.
Domingo i Salvany, Antònia
Amundsen, Ellen J.
Fortiana Gregori, Josep
Røysland, Kjetil
author Sánchez Niubò, Albert
author_facet Sánchez Niubò, Albert
Aalen, Odd O.
Domingo i Salvany, Antònia
Amundsen, Ellen J.
Fortiana Gregori, Josep
Røysland, Kjetil
author_role author
author2 Aalen, Odd O.
Domingo i Salvany, Antònia
Amundsen, Ellen J.
Fortiana Gregori, Josep
Røysland, Kjetil
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Epidemiologia
Heroïna
Epidemiology
Heroin
topic Epidemiologia
Heroïna
Epidemiology
Heroin
description Background: Existing incidence estimates of heroin use are usually based on one information source. This study aims to incorporate more sources to estimate heroin use incidence trends in Spain between 1971 and 2005. Methods: A multi-state model was constructed, whereby the initial state "heroin consumer" is followed by transition to either "admitted to first treatment" or to "left heroin use" (i.e. permanent cessation or death). Heroin use incidence and probabilities of entering first treatment ever were estimated following a back-calculation approach. Results: The highest heroin use incidence rates in Spain, around 1.5 per 1,000 inhabitants aged 10-44, occurred between 1985 and 1990; subdividing by route of administration reveals higher incidences of injection between 1980 and 1985 (a mean of 0.62 per 1.000) and a peak for non-injectors in 1990 (0.867 per 1,000). Conclusions: A simple conceptual model for heroin users' trajectories related to treatment admission, provided a broader view of the historical trend of heroin use incidence in Spain.
publishDate 2013
dc.date.none.fl_str_mv 2013
2019
2019
2019
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/129402
url https://hdl.handle.net/2445/129402
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.1186/1471-2288-13-4
BMC Medical Research Methodology, 2013, vol. 13, num. 4
https://doi.org/10.1186/1471-2288-13-4
dc.rights.none.fl_str_mv cc-by (c) Sánchez Niubò, Albert et al., 2013
http://creativecommons.org/licenses/by/3.0/es
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by (c) Sánchez Niubò, Albert et al., 2013
http://creativecommons.org/licenses/by/3.0/es
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv BioMed Central
publisher.none.fl_str_mv BioMed Central
dc.source.none.fl_str_mv Articles publicats en revistes (Matemàtiques i Informàtica)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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