[Two methods to analyze trends in the incidence of heroin and cocaine use in Barcelona [Spain]].

@article{SnchezNiub2007TwoMT,
  title={[Two methods to analyze trends in the incidence of heroin and cocaine use in Barcelona [Spain]].},
  author={Albert S{\'a}nchez-Niub{\'o} and Ant{\`o}nia Domingo-Salvany and Guadalupe G{\'o}mez Melis and Ma Teresa Brugal and Gianpaolo Scalia-Tomba},
  journal={Gaceta sanitaria},
  year={2007},
  volume={21 5},
  pages={397-403}
}
OBJECTIVES To describe 2 statistical methods for estimating trends in the incidence of heroin and cocaine use in Barcelona. METHODS Admissions for treatment of heroin and cocaine consumption recorded by the Barcelona Drug Information System between 1991 and 2003 were used. We selected 4,367 subjects initiating treatment for the first time for heroin use, and 2,147 for cocaine use. Two statistical techniques were employed: Reporting Delay Adjustment (RDA) and the Log-linear Model (LLM). RDA… CONTINUE READING

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