Estimating the prevalence of problematic opiate use in Ireland using indirect statistical methods

This report presents the results of a study that used
the four-sample capture-recapture method, along
with the multiple indicator method, to estimate the
number of opiate users in Ireland in 2014, along
with trend information for 2011 to 2014. There
were four data sources used within the analyses,
three of which were derived from the Central
Treatment List (CTL). These three CTL data sources
were constructed from data relating to Clinics, GPs
and Prison. The fourth source was derived from
Irish Probation Service dat