A multi-state model to estimate incidence of heroin use
نویسندگان
چکیده
منابع مشابه
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 consumer" is followed by transition to either "admitted to first treatment" or to "left heroin use" (...
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15 صفحه اولProblematic heroin use incidence trends in Spain.
AIMS To estimate the annual incidence of heroin use in Spain. PARTICIPANTS AND DESIGN Data on individuals' year of first heroin use (from 1971 to 2005), year of first heroin treatment between 1991 and 2005 and most frequent route of heroin administration when presenting to treatment were obtained from the Spanish Drug Observatory Register and used to calculate the delay between onset and trea...
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ژورنال
عنوان ژورنال: BMC Medical Research Methodology
سال: 2013
ISSN: 1471-2288
DOI: 10.1186/1471-2288-13-4