1. Predicting trends in fatal drug overdoses in Ireland: does day of the week matter? Simone Walsh, Ena Lynn and Suzi Lyons

2. NDRDI Background National Drug-Related Deaths Index (NDRDI) established in 2005 Funded by Dept. of Health and Dept. of Justice and Equality European Monitoring Centre for Drugs and Drug Addiction (EMCDDA)

3. Overview 2,734 individuals died between 1998 and 2009 of a fatal drug overdose (poisoning) in Ireland Age and Gender Significant Events (Christmas, St Patricks Day) Substance involved and route of administration Who deceased was with and where they were at the time of death

4. All NDRDI Poisoning Deaths 1998 to 2009

5. All NDRDI poisoning deaths 1998 to 2009, by day of the week, n=2734 5

6. All NDRDI poisoning deaths 1998 to 2009, gender by day of the week, n=2734 6

7. All NDRDI poisoning deaths 1998 to 2009, median age by day of the week, n=2734 7 Day of the WeekMedian Age Monday35 Tuesday35 Wednesday36 Thursday35 Friday35 Saturday34 Sunday33

8. All NDRDI poisoning deaths 1998 to 2009, median age by day of the week, n=2734 8 Day of the WeekMedian Age Monday35 Tuesday35 Wednesday36 Thursday35 Friday35 Saturday34 Sunday33

9. All NDRDI poisoning deaths 1998 to 2009, median age by day of the week, n=2734 9 Day of the WeekMedian Age Monday35 Tuesday35 Wednesday36 Thursday35 Friday35 Saturday34 Sunday33

10. All Cocaine Poisonings NDRDI 1998 to 2009

11. All cocaine poisoning deaths 1998 to 2009, by day of the week, n=318 11

12. Cocaine Poisonings Excluding Opiates NDRDI, 1998 to 2009

13. Cocaine poisonings excluding opiates 1998 to 2009, by day of the week n=146 13

14. Cocaine poisonings excluding opiates 1998 to 2009, gender by day of the week n=146 14

15. Cocaine poisonings excluding opiates 1998 to 2009, who with by day of the week n=146 15

16. Heroin Poisonings NDRDI 1998 to 2009

17. Heroin poisoning deaths 1998 to 2009, by day of the week, NDRDI n=643 17

18. Non-injecting Heroin Poisoning Deaths NDRDI,1998 to 2009

19. Non-injecting heroin poisoning deaths 1998 to 2009, by day of the week, n=234 19

20. Non-injecting heroin poisoning deaths 1998 to 2009, gender by day of the week, n=234 20

21. Non-injecting heroin poisoning deaths 1998 to 2009, median age by day of the week, n=234 21 Day of The WeekMedian Age Monday31 Tuesday28 Wednesday30 Thursday29 Friday28 Saturday27 Sunday29

22. Non-injecting heroin poisoning deaths 1998 to 2009, median age by day of the week, n=234 22 Day of The WeekMedian Age Monday31 Tuesday28 Wednesday30 Thursday29 Friday28 Saturday27 Sunday29

23. Non-injecting heroin poisoning deaths 1998 to 2009, median age by day of the week, n=234 23 Day of The WeekMedian Age Monday31 Tuesday28 Wednesday30 Thursday29 Friday28 Saturday27 Sunday29

24. Non-injecting heroin poisoning deaths 1998 to 2009, who with at time of death, n=234 24

25. Injecting Heroin Poisoning Deaths NDRDI 1998 to 2009

26. Injecting heroin poisoning deaths 1998 to 2009, by day of the week, n=405 26

27. Injecting heroin poisoning deaths 1998 to 2009, by gender and day of the week, n=405 27

28. Injecting heroin poisoning deaths 1998 to 2009, median age by day of the week, n=405 28 Day of the WeekMedian Age Monday31 Tuesday32 Wednesday33 Thursday31 Friday31 Saturday27 Sunday25

29. Injecting heroin poisoning deaths 1998 to 2009, median age by day of the week, n=405 29 Day of the WeekMedian Age Monday31 Tuesday32 Wednesday33 Thursday31 Friday31 Saturday27 Sunday25

30. Injecting heroin poisoning deaths 1998 to 2009, median age by day of the week, n=405 30 Day of the WeekMedian Age Monday31 Tuesday32 Wednesday33 Thursday31 Friday31 Saturday27 Sunday25

31. Injecting heroin poisoning deaths 1998 to 2009, who with at time of death, n=405 31

32. Injecting heroin poisoning deaths 1998 to 2009, who with at time of death, n=405 32

33. All NDRDI Deaths by Week of the Month NDRDI, 1998 to 2009

34. All NDRDI deaths by week of the month, 1998 to 2009, n = 2,734 34

35. All female NDRDI poisoning deaths Tuesday and Wednesday n=220 35

36. All female NDRDI poisoning deaths Tuesday and Wednesday n=220 36

37. Findings Delivering harm reduction messages and treatment outcomes - day of the week does matter Subgroups within the drug using population are at risk different times of the week or month Opportunity to save a life