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A capture-recapture study of the prevalence and implications of opiate use in Dublin
1Mathematics Department, National University of Ireland, Maynooth, Co. Kildare, Ireland.
Background:
To date there have been no studies estimating the hidden prevalence of opiate use in Dublin.
Methods:
A multisource enumeration followed by the application of the capture-recapture method with log-linear modelling including age and gender stratification to remove heterogeneity was implemented to provide an estimate of the unknown size of the opiate-using population. Two medical and one legal data sources were used.
Results:
It was found that the ratio of known to unknown opiate users was 1:1.15 with a total of 13,460 (95% CI: 12,037-15,306) users estimated in Dublin in 1996.
Conclusion:
The findings of this study have important ramifications for service delivery.
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